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  1. #76
    Join Date
    Oct 2013
    Location
    Windsor On, Canada
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    51

    Default Re: 455 A/C Sanden Compressor bracket

    Quote Originally Posted by SteveRacer View Post
    How is the belt tension adjustment made for the ac compressor?
    The Compressor is mounted to a pivoting bracket. there is a bolt in the front to set the position. the alternator tension is set with the original alternator tensioning arm.

  2. #77
    Join Date
    May 2002
    Location
    Piqua,OH 45356
    Posts
    120

    Default Re: 455 A/C Sanden Compressor bracket

    Thanks for the clarification. It was not abundantly clear to me from the other pictures. That looks like a really nice piece.
    SteveRacer - I'm a Demon on Wheels

    462ci 3900lb Buick Skylark, 900 cfm Holley HP TBI w/timing control, SP1 single plane, TA solid cam, IN .495"-228'@.05, EX .525"-240'@.05, 112'LSA, MSD Pro Billet/6AL, 10.25 CR, 1 7/8" headers, 3" exhaust, 5 spd Tremac, 3:08 rear gear, 12's @ 115MPH

  3. #78
    Join Date
    May 2012
    Location
    Jarrettsville, MD
    Posts
    92

    Default Re: 455 A/C Sanden Compressor bracket

    I just installed this bracket yesterday, and it works great!

    Since the compressor is mounted in a slightly different position than it was, I need a different length belt. Does anyone here that has already installed the bracket have a recommendation for what belt or what size belt to use? Most of the stores near me don't stock belts that big, so I'd have to order them.

  4. #79
    Join Date
    Oct 2005
    Location
    Albuquerque, New Mexico
    Posts
    538

    Default Re: 455 A/C Sanden Compressor bracket

    Quote Originally Posted by dmruschell View Post
    I just installed this bracket yesterday, and it works great!

    Since the compressor is mounted in a slightly different position than it was, I need a different length belt. Does anyone here that has already installed the bracket have a recommendation for what belt or what size belt to use? Most of the stores near me don't stock belts that big, so I'd have to order them.
    Once you finish the full install some detailed pics of the complete engine in car would be appreciated.
    Eric B

    1972 GS 350 4sp Convertible (running 455)
    1972 GS 350 Hardtop (running 455)
    1971 Olds Cutlass - turbo LS conversion - project underway!
    1995 Trans Am - Supercharged and FAST
    1997 Chevy 3500 Supercharged

  5. #80
    Join Date
    May 2012
    Location
    Jarrettsville, MD
    Posts
    92

    Default Re: 455 A/C Sanden Compressor bracket

    Quote Originally Posted by real82it View Post
    Once you finish the full install some detailed pics of the complete engine in car would be appreciated.
    Will do! I had to take the car in to the shop for an unrelated issue, so I haven't had it the last few days. I pick it up tomorrow, and hopefully the belts that I ordered will be arriving later in the day. Whenever I get the proper size belts installed, I'll take some pictures and post what belt I used.

  6. #81
    Join Date
    May 2012
    Location
    Jarrettsville, MD
    Posts
    92

    Default Re: 455 A/C Sanden Compressor bracket

    I received the belts I ordered, installed them, and took pictures. The picture shows a stretched 50.5 inch belt on the alternator, which I swapped for a new 50 inch belt after the pictures were taken. However, both of the belts are too thin (The AC belt is squeaking just a little because the inner part of the belt actually touches the inside of the pulley groove). They're 10mm wide, and they should be 13mm wide, so I have new belts on order (http://www.autozone.com/cooling-heat...lt/112714_0_0/ and http://www.autozone.com/cooling-heat...lt/305128_0_0/). The new longer belt is 65.5 inches instead of 66 inches, but I think that will work better. The 65 inch belt I ordered is too small, and the 66 inch belt is long enough that I can max out the tensioner. The alternator belt is a 50 inch belt, but there is a lot of wiggle room with the length of that belt. I'm also running a CS130 alternator (off of a 1987 Corvette with a pulley swap) which may (or may not) make a difference. I'm also (as far as I know) running a pulley setup from a 1970 engine. I know there are different pulley sizes for these cars/engines, so again, your experience may vary. But, this should at least get you in the ballpark of what size belts to use. I also ended up putting the AC belt farther away form the engine while experimenting with the belts. Not that it makes much difference, but part of me worries about the extra leverage the alternator belt has on the bearings when the alternator belt is on the second groove. (I was getting a noise, so I swapped the belts around, but it turned out the noise was just because the belts are to thin and I left the belts installed the other way.)

    As promised, here are some pictures.




  7. #82
    Join Date
    Oct 2013
    Location
    Windsor On, Canada
    Posts
    51

    Default Re: 455 A/C Sanden Compressor bracket

    It's good to see you got your stuff installed. I would like to mention that when I send my last round of brackets out I included a set of assembly instructions. It does have a note on it about using a wide v belt so that the belt does not bottom out in the grove and that it is best to be running both your alternator and compressor with the same thickness belt. There is also a section that lists the compressor I personally have used as well as the dual grove alternator pulley for those of you not running an original a/c setup.
    Unfortunately I am unable to supply belt lengths due to variations in pulley diameters.
    If people are looking for pulleys and originality is not a concern T/A performance has complete sets of aluminum pulleys.

  8. #83
    Join Date
    May 2012
    Location
    Jarrettsville, MD
    Posts
    92

    Default Re: 455 A/C Sanden Compressor bracket

    Quote Originally Posted by LonghornSS View Post
    It's good to see you got your stuff installed. I would like to mention that when I send my last round of brackets out I included a set of assembly instructions. It does have a note on it about using a wide v belt so that the belt does not bottom out in the grove and that it is best to be running both your alternator and compressor with the same thickness belt. There is also a section that lists the compressor I personally have used as well as the dual grove alternator pulley for those of you not running an original a/c setup.
    Unfortunately I am unable to supply belt lengths due to variations in pulley diameters.
    If people are looking for pulleys and originality is not a concern T/A performance has complete sets of aluminum pulleys.
    My old alternator belt (the one shown) was undersized, and I knew it, but my old AC belt was the wider, correct size. I normally get my belts from Advance, as they have a wide selection in stock, but I had to buy the new ones from Auto Zone because of size availability. The part numbers for Advance are 50013, for example, where "500" is 50.0 inches, and 13 is thickness of the top in mm. Autozone's part number for the same belt would be 15500. Why they have a 15 correlate to 13mm thickness is beyond me, but I didn't realize it when I ordered my last round of belts. I relied on the part number instead of the specifications on the page. So, no biggie, other than my fault for wasting $15 because I didn't pay close enough attention.

    I'll get the new belts around the same time I get a new Quadrajet from Quadrajet Power, so it should be a good week for my Buick!

  9. #84
    Join Date
    May 2012
    Location
    Jarrettsville, MD
    Posts
    92

    Default Re: 455 A/C Sanden Compressor bracket

    Quote Originally Posted by dmruschell View Post
    My old alternator belt (the one shown) was undersized, and I knew it, but my old AC belt was the wider, correct size. I normally get my belts from Advance, as they have a wide selection in stock, but I had to buy the new ones from Auto Zone because of size availability. The part numbers for Advance are 50013, for example, where "500" is 50.0 inches, and 13 is thickness of the top in mm. Autozone's part number for the same belt would be 15500. Why they have a 15 correlate to 13mm thickness is beyond me, but I didn't realize it when I ordered my last round of belts. I relied on the part number instead of the specifications on the page. So, no biggie, other than my fault for wasting $15 because I didn't pay close enough attention.

    I'll get the new belts around the same time I get a new Quadrajet from Quadrajet Power, so it should be a good week for my Buick!
    Ok, I'm officially frustrated. I received the belts that I ordered, and they're both too wide. I'm pretty sure that AutoZone shipped me the wrong belts, not that I messed up the part number. So, now to try and order the correct belts and hope they send the right ones. In the mean time, my Buick is sitting not being driven

    EDIT: I did end up getting a belt that works for the Alternator. I forgot I had ordered a 49515 belt, and they did send the correct part with the correct thickness, so I can now drive it. I'm not frustrated at anyone here, just at the auto parts places for sending the wrong parts and having to wait a week for shipping.

  10. #85
    Join Date
    May 2002
    Location
    Piqua,OH 45356
    Posts
    120

    Default Re: 455 A/C Sanden Compressor bracket

    I'm curious as to what you ended up with for your ac belt.? I have attempted to modify my stock ac bracket for the vintage air compressor and I'm going to try an autozone 15660 belt or a gates 7665, (66" and 66.5" respectively). I may ultimately end up buying one of longhorns brackets if I don't have success with the modded bracket. His bracket definitely looks a lot better. I trust it is working out for you?
    SteveRacer - I'm a Demon on Wheels

    462ci 3900lb Buick Skylark, 900 cfm Holley HP TBI w/timing control, SP1 single plane, TA solid cam, IN .495"-228'@.05, EX .525"-240'@.05, 112'LSA, MSD Pro Billet/6AL, 10.25 CR, 1 7/8" headers, 3" exhaust, 5 spd Tremac, 3:08 rear gear, 12's @ 115MPH

  11. #86
    Join Date
    May 2012
    Location
    Jarrettsville, MD
    Posts
    92

    Default Re: 455 A/C Sanden Compressor bracket

    Quote Originally Posted by SteveRacer View Post
    I'm curious as to what you ended up with for your ac belt.? I have attempted to modify my stock ac bracket for the vintage air compressor and I'm going to try an autozone 15660 belt or a gates 7665, (66" and 66.5" respectively). I may ultimately end up buying one of longhorns brackets if I don't have success with the modded bracket. His bracket definitely looks a lot better. I trust it is working out for you?
    Yeah, the bracket is working out great. I ordered this belt from Amazon (http://www.amazon.com/gp/product/B00...ilpage_o07_s00), part number 66015. I thought it was working well, but it is now squealing, and I have the tensioner maxed out. Even with the tnesioner at its loosest, it's a bit difficult to get the belt on, so I think you have to tension the alternator AFTER tensioning the AC compressor, so that the alternator will help keep the AC belt tension up.

    The problem I'm having is that a lot of belts use the same belt for the 13 and 15 width, but they're not actually interchangeable. The bracket itself is great, but the belt selection is being a huge pain.

  12. #87
    Join Date
    May 2002
    Location
    Piqua,OH 45356
    Posts
    120

    Default Re: 455 A/C Sanden Compressor bracket

    Quote Originally Posted by dmruschell View Post
    it is now squealing, and I have the tensioner maxed out. Even with the tnesioner at its loosest, it's a bit difficult to get the belt on
    sounds like the tension slot could be a little longer ?
    SteveRacer - I'm a Demon on Wheels

    462ci 3900lb Buick Skylark, 900 cfm Holley HP TBI w/timing control, SP1 single plane, TA solid cam, IN .495"-228'@.05, EX .525"-240'@.05, 112'LSA, MSD Pro Billet/6AL, 10.25 CR, 1 7/8" headers, 3" exhaust, 5 spd Tremac, 3:08 rear gear, 12's @ 115MPH

  13. #88
    Join Date
    May 2012
    Location
    Jarrettsville, MD
    Posts
    92

    Default Re: 455 A/C Sanden Compressor bracket

    Quote Originally Posted by SteveRacer View Post
    sounds like the tension slot could be a little longer ?
    Or I need a shorter belt, which I just ordered. The one that's on there is 66 inches. I need a 65.5 inch belt, but they don't exist. So, I'm going to try and get a 65 inch belt to work by installing it with the alternator and AC compressor tension loose. I've been installing the AC belt with the alternator belt already installed, so hopefully that will loosen things a little bit.

  14. #89
    Join Date
    Oct 2013
    Location
    Windsor On, Canada
    Posts
    51

    Default Re: 455 A/C Sanden Compressor bracket

    Hey guys I would defiantly install both belts at the same time no tension, tension the alternator first, then the compressor.
    dmruschell is correct from my experience the different belt manufacturers seem to change up part numbers or interchange from one manufacturer to the next.

  15. #90
    Join Date
    May 2012
    Location
    Jarrettsville, MD
    Posts
    92

    Default Re: 455 A/C Sanden Compressor bracket

    I got the 65 inch belt to work. I loosened the alternator tension and had the compressor tension as loose as possible with the tensioner bolt installed, and it still woudln't fit. So, I removed the compressor tensioner bolt, which gave me just enough clearance to get the belt on. I still think a 65.5 inch belt would work better, but unfortunately, they aren't made.

    The tension slot being a little longer might be a good thing to implement on future iterations, since there are gaps in the sizes for these longer belts.

    I also just thought of using a turnbuckle between the alternator bracket and the unused mounting bolt hole on the top of the compressor instead of the tensioner on the bracket. I had to use the turnbuckle with my old setup, but didn't think to use it with this bracket. The turnbuckle would allow for adjustments beyond the limits of the tensioner. If only I had thought of it sooner lol.

  16. #91
    Join Date
    Oct 2013
    Location
    Windsor On, Canada
    Posts
    51

    Default Re: 455 A/C Sanden Compressor bracket

    I certainly can make the tensioner slot "longer" to give more travel. And will look into it before I cut another run of brackets.

  17. #92
    Join Date
    May 2012
    Location
    Jarrettsville, MD
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    92

    Default Re: 455 A/C Sanden Compressor bracket

    Quote Originally Posted by LonghornSS View Post
    I certainly can make the tensioner slot "longer" to give more travel. And will look into it before I cut another run of brackets.
    it's always great when someone who is making a product listens to feedback. Thanks again so much for making these!

  18. #93
    Join Date
    Oct 2013
    Location
    Windsor On, Canada
    Posts
    51

    Default Re: 455 A/C Sanden Compressor bracket

    Looking at the picture you posted of your setup..... You mentioned that you has a turnbuckle.... could you remove your adjuster bolt and use the top compressor hole along with the round hole in the alternator tensioner bracket?

    I have also adjusted my compressor tensioner to include an additional 10 degrees of rotation.

  19. #94
    Join Date
    May 2012
    Location
    Jarrettsville, MD
    Posts
    92

    Default Re: 455 A/C Sanden Compressor bracket

    Quote Originally Posted by LonghornSS View Post
    Looking at the picture you posted of your setup..... You mentioned that you has a turnbuckle.... could you remove your adjuster bolt and use the top compressor hole along with the round hole in the alternator tensioner bracket?

    I have also adjusted my compressor tensioner to include an additional 10 degrees of rotation.
    That's actually what I did with my old setup. I just didn't think of it since the bracket has a tensioner, and I'm not sure the turnbuckle I have is the correct length for this setup. I'm sure it will work, though, since I did it with my old setup if I got the correct length turnbuckle.

  20. #95
    Join Date
    Oct 2013
    Location
    Windsor On, Canada
    Posts
    51

    Default Re: 455 A/C Sanden Compressor bracket

    Hey guys just wanted to put it out there, if anyone is interested. I have one more bracket welded boxed and ready to ship with 2 more ready to be welded and sent out.

  21. #96
    Join Date
    Oct 2015
    Location
    East Palestine OH
    Posts
    16

    Default Re: 455 A/C Sanden Compressor bracket

    I know the bracket is designed for a 455. But at the beginning of the thread, someone mentioned Buick brackets were interchangeable. Has anyone tried this bracket or have an opinion if it would work on a 350? '68 Skylark 350.

  22. #97
    Join Date
    Jul 2010
    Location
    Chisago City, MN -
    Posts
    200

    Default Re: 455 A/C Sanden Compressor bracket

    Dmrushel, great to follow through with. I received a bracket as well. I see that you used a 65" belt, what width did you end up with? Thx byron
    If you were to ask me if I'd ever had the bad luck to miss my daily coctail, I'd have to say that I doubt it, Where certain things are concerned, I plan ahead. Author; Luis Bunuel

  23. #98
    Join Date
    Oct 2013
    Location
    Windsor On, Canada
    Posts
    51

    Default Re: 455 A/C Sanden Compressor bracket

    Quote Originally Posted by Jack C View Post
    I know the bracket is designed for a 455. But at the beginning of the thread, someone mentioned Buick brackets were interchangeable. Has anyone tried this bracket or have an opinion if it would work on a 350? '68 Skylark 350.
    Here the bracket is bolted to a 350, it appears as though with the proper pulley configuration the bracket will work as intedned

    A39B0B7F-F1F3-4B78-8FB4-DB629A45736E.jpg
    A39B0B7F-F1F3-4B78-8FB4-DB629A45736E.jpg
    AED64746-88AE-4900-91D9-29ACCCB56439.jpg

  24. #99
    Join Date
    Jun 2010
    Location
    essex in england
    Posts
    214

    Default Re: 455 A/C Sanden Compressor bracket

    hello really glad I come across this thread I have a 79 trans am fitted with a buick 455 . i bought this kit I asked for brackets for a buick 455 but they sent me Pontiac 455 brackets. will the bracket your selling fit the compressor in this lnk .http://www.vintageair.com/images/Fir...0for%20web.jpg . cheers kev

  25. #100
    Join Date
    Oct 2013
    Location
    Windsor On, Canada
    Posts
    51

    Default Re: 455 A/C Sanden Compressor bracket

    Quote Originally Posted by kev 190164 View Post
    hello really glad I come across this thread I have a 79 trans am fitted with a buick 455 . i bought this kit I asked for brackets for a buick 455 but they sent me Pontiac 455 brackets. will the bracket your selling fit the compressor in this lnk .http://www.vintageair.com/images/Fir...0for%20web.jpg . cheers kev
    Last I talked to VA they did not have a 455 Buick engine bracket.

    Yes my bracket will fit the compressor pictured in that link. I cannot say how the bracket will work with the rest of the accessories under the hood though..... I also cannot say what kind of space issues you may run into with the fender braces and inner fender/rad cradle support brackets on the 79 trans am.

    A couple of good pictures under the hood may be in order. I am assuming this was a non A/C Car.

    I never heard of a Buick in a T/A, I thought the T/A occasionally used Olds motors in them No?

 

 
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