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  1. #1
    Join Date
    Oct 2011
    Location
    SoCal
    Posts
    847

    Default Shimming 455 Starter

    When starting my engine there's a definite grinding noise when it's turning over. Is this a symptom of a starter that needs to be shimmed? I haven't gotten under the car to check the clearance between the starter gear and flexplate. If it needs more clearance, what is the best thing to use to shim? Thanks.
    Dennis

  2. #2
    Join Date
    Sep 2004
    Location
    Michigan, USA
    Posts
    15,026

    Default Re: Shimming 455 Starter

    Shimming does not have to be a trial and error process. See http://bangshift.com/blog/basic-tech...r-fitment.html

    Devon
    Fuel & Brake Systems Engineer
    "I can live with doubt and uncertainty and not knowing. I think it's much more interesting to live not knowing than to have answers which might be wrong." - Feynman
    "Good data is precious. The problem I have is when some damned fool fails to use it properly." - Slingerland

  3. #3
    Join Date
    Jun 2008
    Location
    Ely, NV
    Posts
    3,446

    Default Re: Shimming 455 Starter

    Ha, my favorite site =P

    Start shims are available in the "Help" sections of most parts stores. Usually starters come with a set of shims and a rod. I don't know the rod's exact diameter, but the video shows a paper clip being used, so that is probably sufficient.
    The Silver Buick- '77 Skylark coupe w/455, SPX, MegaSquirt 2 & TKO-600 (Drag Week 2011!), '72 Centurion Conv't - 455w/TH400, '67 T-bird 4Dr (suicide) w/428, MegaSquirt 1 & C6. '69 Firebird replaced, now building a Pontiac Turbo L6!

    My Skylark thread
    http://www.v8buick.com/showthread.php?t=208168
    My Pontiac OHC Six thread.
    http://www.v8buick.com/showthread.php?t=219250

    I'm just a regular guy that fuel injected an old Buick and Thunderbird.

  4. #4
    Join Date
    Oct 2011
    Location
    SoCal
    Posts
    847

    Default Re: Shimming 455 Starter

    Thanks very much for the info. I'll have to get under the car, as soon as my back quits hurting from the last time I was under there. Hope the flexplate teeth aren't chewed up.
    Dennis

  5. #5
    Join Date
    Feb 2002
    Location
    LI,NY
    Posts
    16,442

    Default Re: Shimming 455 Starter

    Of all the BBB starters Ive replaced, Ive never had to shim one. Unusual or just lucky?
    Jason Cook
    BPG #1675
    "Expert in obsolete technology"

    1968 Riviera GS- some assembly required
    1969 Riviera GS- my first car
    1970 Stage 1 4 speed Aquamist
    1971 GS 455 11.93@113.36
    1987 Grand National
    1970 Stellar Industries vintage go kart

    When tyranny becomes law, rebellion becomes duty

  6. #6
    Join Date
    Sep 2004
    Location
    Michigan, USA
    Posts
    15,026

    Default Re: Shimming 455 Starter

    Quote Originally Posted by buick64203 View Post
    Of all the BBB starters Ive replaced, Ive never had to shim one. Unusual or just lucky?
    Same here. Never had to shim until I installed a Tilton.

    Devon
    Fuel & Brake Systems Engineer
    "I can live with doubt and uncertainty and not knowing. I think it's much more interesting to live not knowing than to have answers which might be wrong." - Feynman
    "Good data is precious. The problem I have is when some damned fool fails to use it properly." - Slingerland

  7. #7
    Join Date
    Aug 2005
    Location
    Pahrump NV.
    Posts
    5,534

    Default Re: Shimming 455 Starter

    Add me to the never have shimmed list, and I have done a lot of them, Buicks that is.

    Bob H.
    1953 Buick 455 TA Aluminum SE Stg2 Heads, B4B Intake, S/P Turbo 400, Gear Vendor, 3.42 Posi. A/C
    1970 GS Project Getting close.

  8. #8
    Join Date
    Nov 2010
    Location
    elk city, ok
    Posts
    2,208

    Default Re: Shimming 455 Starter

    I never had to shim any Bbb starters except the ones you buy from I riellys. Go figure..
    Lonnie
    Black 70 skylark post car (Tyler's old car)
    Yellow 72 suncoupe 350/350 8.5.
    72 chevelle with 462 buick 9-9.5-1 estimated cr stock not stage heads lunati 68001 cam 800 cfm qjet. hooker headers and spx intake. th-400. 100 shot
    8.5 3.73 posi
    3200 coan (sold)

    1.78 60 ft 12.2 at 112 mph
    no traction

    first engine i built by myself. gotta love the 3126 cat..pshht.

  9. #9
    Join Date
    Oct 2011
    Location
    SoCal
    Posts
    847

    Default Re: Shimming 455 Starter

    I'm not a mechanic, but I've messed around with old cars since I was a teenager, and until recently I'd never even heard of shimming a starter.
    Dennis

  10. #10
    Join Date
    Feb 2002
    Location
    USK WA 1 hr n. of Spokane on ID border
    Posts
    7,688

    Default Re: Shimming 455 Starter

    Buicks never need shims unless something is damaged.Shims are for Chevys,Pontiacs & Olds.
    Jamie McClintonPride and joy '65 Special convertible w/340-4
    '69 Special Deluxe
    92 ROADMASTER SEDAN
    Starter & Alternator rebuilder
    Buick mini-starters for sale! http://www.v8buick.com/showthread.php?t=15678
    Hi-output alternators! http://www.v8buick.com/showthread.php?t=89861
    My 65 http://www.v8buick.com/vbgarage.php?do=view&id=226

  11. #11
    Join Date
    May 2009
    Location
    Oakland Maine
    Posts
    186

    Default Re: Shimming 455 Starter

    Buy one of Jamies starters and be done with it.
    Rob H

 

 

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