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  1. #1
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    Default 71 Stage 1 & 4 speed question

    Not sure were to post so if it needs moved ok.
    Do factory Stage 1 cars underhood decals have "Stage 1" printed on them?
    Did 455 4 speed cars come with same dist as Stage 1?
    Did all 4 speeds come with a 3.42 ratio rear? With exception of special order and AC?
    I'm not sure if my information is all correct, so any help will be appericated.
    Norman Dwayne Hicks
    NDH Automotive
    08 Pontiac G8 GT - Ignition Orange Metalic (Wifes)
    71 GSX 455 4-speed - Verdemist Green
    71 GS 350 4-speed Bench Seat & A/C
    64 Skylark 455 Race car - 2011 BPG Q16-R-UP
    64 Skylark 310 4-speed
    99 Rivieria 3.8SC (daily driver)
    93 Regal GS 3.8(daily driver)

  2. #2
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    Default Re: 71 Stage 1 & 4 speed question

    Do factory Stage 1 cars underhood decals have "Stage 1" printed on them?
    A-- They have an embossed decal on the air cleaner

    Did 455 4 speed cars come with same dist as Stage 1?
    A-- The external part number is the same for stage 1 cars is the same regardless of the trans. Non stage 1 cars have the same part number regardless of trans. depending on the year model and time of year they were made. Stage 1 and non stage 1 cars have different distribs.by part number.


    Did all 4 speeds come with a 3.42 ratio rear? With exception of special order and AC?
    A-- It depends on the year and engine. A 70 GSX stage 1 non AC has a 3.64 rear standard. Standard ratio for a 71 stage 1 car I recall was a 3.42 regardless of the trans used. If it is a 71 350 GSX it was a 3.08. But confirm this with others. You could order other ratios. We had a 4.78 factory rear in our first 70 GSX.
    Last edited by flynbuick; 04-01-2012 at 05:47 AM.
    Jim Lore
    BPG 1037
    "If you cannot clear up the confusion at least make the confusion clear."

  3. #3
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    Williamsport, PA
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    Default Re: 71 Stage 1 & 4 speed question

    Do factory Stage 1 cars underhood decals have "Stage 1" printed on them?
    A-- They have an embossed decal on the air cleaner
    Thanks, The decal I'm talking about is the emission or tune up decal on radiator metal top
    Norman Dwayne Hicks
    NDH Automotive
    08 Pontiac G8 GT - Ignition Orange Metalic (Wifes)
    71 GSX 455 4-speed - Verdemist Green
    71 GS 350 4-speed Bench Seat & A/C
    64 Skylark 455 Race car - 2011 BPG Q16-R-UP
    64 Skylark 310 4-speed
    99 Rivieria 3.8SC (daily driver)
    93 Regal GS 3.8(daily driver)

  4. #4
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    Default Re: 71 Stage 1 & 4 speed question

    They generally have a different radiator decal because, for example, the intial advance specification is greater on a stage 1. So there will be a different part number for a stage 1 decal.

    It has been a long time since we owned a 71 stage 1. But for that decal I recall the intial advance on the decal is 10-12 degrees whereas a non stage 71 455 is around 8 degrees.
    Jim Lore
    BPG 1037
    "If you cannot clear up the confusion at least make the confusion clear."

  5. #5
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    Jan 2008
    Location
    Williamsport, PA
    Posts
    501

    Default Re: 71 Stage 1 & 4 speed question

    So then will the decal have "Stage 1" on it if the inital timing is to be set at 10 degrees according to decal?
    Norman Dwayne Hicks
    NDH Automotive
    08 Pontiac G8 GT - Ignition Orange Metalic (Wifes)
    71 GSX 455 4-speed - Verdemist Green
    71 GS 350 4-speed Bench Seat & A/C
    64 Skylark 455 Race car - 2011 BPG Q16-R-UP
    64 Skylark 310 4-speed
    99 Rivieria 3.8SC (daily driver)
    93 Regal GS 3.8(daily driver)

  6. #6
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    North Carolina
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    Default Re: 71 Stage 1 & 4 speed question

    I do not recall that "stage 1" is on the radiator decal. But I do recall that the intitial advance is 10 or more for a stage 1 engine's radiator decal and less than 10 for a non stage 71 455. It will also have a GM part number unique to a 71 stage 1.
    Jim Lore
    BPG 1037
    "If you cannot clear up the confusion at least make the confusion clear."

  7. #7
    Join Date
    Feb 2002
    Location
    LI,NY
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    Default Re: 71 Stage 1 & 4 speed question

    The 71 emissions decal wont say Stage 1, but rather a two digit code. Stage 1 decals will have a code of "BG", while a 455 decals will say "BH"
    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
    1971 Skylark Custom convertible
    1972 GS-350 project car
    1970 Stellar Industries vintage go kart

    When tyranny becomes law, rebellion becomes duty

  8. #8
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    Jan 2008
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    Williamsport, PA
    Posts
    501

    Default Re: 71 Stage 1 & 4 speed question

    Is the part number 1237198 listed for a stage 1?
    Norman Dwayne Hicks
    NDH Automotive
    08 Pontiac G8 GT - Ignition Orange Metalic (Wifes)
    71 GSX 455 4-speed - Verdemist Green
    71 GS 350 4-speed Bench Seat & A/C
    64 Skylark 455 Race car - 2011 BPG Q16-R-UP
    64 Skylark 310 4-speed
    99 Rivieria 3.8SC (daily driver)
    93 Regal GS 3.8(daily driver)

  9. #9
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    LI,NY
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    Default Re: 71 Stage 1 & 4 speed question

    yes, thats is the Stage 1 decal part number. But I would take that with a grain of salt. Even if it is an original sticker.
    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
    1971 Skylark Custom convertible
    1972 GS-350 project car
    1970 Stellar Industries vintage go kart

    When tyranny becomes law, rebellion becomes duty

  10. #10
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    Location
    North Carolina
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    Default Re: 71 Stage 1 & 4 speed question

    Just the other day we were talking about what was a 71 -72 radiator cover that a seller on ebay listed as a 70 because it had a 70 decal on it. And the decal looked old, original etc.
    Jim Lore
    BPG 1037
    "If you cannot clear up the confusion at least make the confusion clear."

  11. #11
    Join Date
    Jan 2008
    Location
    Williamsport, PA
    Posts
    501

    Default Re: 71 Stage 1 & 4 speed question

    It was not mine! Mine also has a second decal for idle settings on a 4 speed.
    I'm looking for a stamped date code on my cover.
    Norman Dwayne Hicks
    NDH Automotive
    08 Pontiac G8 GT - Ignition Orange Metalic (Wifes)
    71 GSX 455 4-speed - Verdemist Green
    71 GS 350 4-speed Bench Seat & A/C
    64 Skylark 455 Race car - 2011 BPG Q16-R-UP
    64 Skylark 310 4-speed
    99 Rivieria 3.8SC (daily driver)
    93 Regal GS 3.8(daily driver)

  12. #12
    Join Date
    Mar 2002
    Location
    St Louis
    Posts
    9,853

    Cool Re: 71 Stage 1 & 4 speed question

    I remember this car from the reunion and was looking at it when I was told it was already sold. Have you found any docs yet? I saw the decal myself and believe it was legity buyt I am no expert. Nice score IMHO
    John & Terry Kemper
    GSCA #4322
    BPG #1373
    72 Stage 1 Suncoupe
    72 Stage 1 Suncoupe clone
    70 Sportwagon

  13. #13
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    Jan 2008
    Location
    Williamsport, PA
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    Default Re: 71 Stage 1 & 4 speed question

    I have no paper work, nothing. Just trying to determine what I do have.
    It will be built as a Stage 1 car, rather it was or not. It's my car and that is how I would have wanted it new. Color and all!
    Norman Dwayne Hicks
    NDH Automotive
    08 Pontiac G8 GT - Ignition Orange Metalic (Wifes)
    71 GSX 455 4-speed - Verdemist Green
    71 GS 350 4-speed Bench Seat & A/C
    64 Skylark 455 Race car - 2011 BPG Q16-R-UP
    64 Skylark 310 4-speed
    99 Rivieria 3.8SC (daily driver)
    93 Regal GS 3.8(daily driver)

  14. #14
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    Mar 2002
    Location
    St Louis
    Posts
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    Default Re: 71 Stage 1 & 4 speed question

    Quote Originally Posted by 64 Hardtop View Post
    I have no paper work, nothing. Just trying to determine what I do have.
    It will be built as a Stage 1 car, rather it was or not. It's my car and that is how I would have wanted it new. Color and all!
    One of the cool things about the reunion was the number of colors never seen on 71 and 72 GSX's If memory serves this is the first found in this color.
    John & Terry Kemper
    GSCA #4322
    BPG #1373
    72 Stage 1 Suncoupe
    72 Stage 1 Suncoupe clone
    70 Sportwagon

  15. #15
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    Default Re: 71 Stage 1 & 4 speed question

    I just put 2 and 2 together and realize what car we're talking about! I was there too and saw it pull in. Just to recap, did you pull the tank yet or ransack the interior and dash for the build sheet?
    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
    1971 Skylark Custom convertible
    1972 GS-350 project car
    1970 Stellar Industries vintage go kart

    When tyranny becomes law, rebellion becomes duty

  16. #16
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    Location
    Williamsport, PA
    Posts
    501

    Default Re: 71 Stage 1 & 4 speed question

    Did all 4 speeds come with a 3.42 ratio rear? With exception of special order and AC?
    A-- It depends on the year and engine. A 70 GSX stage 1 non AC has a 3.64 rear standard. Standard ratio for a 71 stage 1 car I recall was a 3.42 regardless of the trans used. If it is a 71 350 GSX it was a 3.08. But confirm this with others. You could order other ratios. We had a 4.78 factory rear in our first 70 GSX

    The information I find a GSX 4 speed and a Stage 1 all have a 3.42 ratio rears. The GS could have 3.08 is this correct information?
    Norman Dwayne Hicks
    NDH Automotive
    08 Pontiac G8 GT - Ignition Orange Metalic (Wifes)
    71 GSX 455 4-speed - Verdemist Green
    71 GS 350 4-speed Bench Seat & A/C
    64 Skylark 455 Race car - 2011 BPG Q16-R-UP
    64 Skylark 310 4-speed
    99 Rivieria 3.8SC (daily driver)
    93 Regal GS 3.8(daily driver)

  17. #17
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    Default Re: 71 Stage 1 & 4 speed question

    A 71 350 GSx 4 speed used a 3.08.
    Jim Lore
    BPG 1037
    "If you cannot clear up the confusion at least make the confusion clear."

  18. #18
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    Williamsport, PA
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    Default Re: 71 Stage 1 & 4 speed question

    Quote Originally Posted by flynbuick View Post
    A 71 350 GSx 4 speed used a 3.08.
    I'm talking 455 4 speeds
    Norman Dwayne Hicks
    NDH Automotive
    08 Pontiac G8 GT - Ignition Orange Metalic (Wifes)
    71 GSX 455 4-speed - Verdemist Green
    71 GS 350 4-speed Bench Seat & A/C
    64 Skylark 455 Race car - 2011 BPG Q16-R-UP
    64 Skylark 310 4-speed
    99 Rivieria 3.8SC (daily driver)
    93 Regal GS 3.8(daily driver)

  19. #19
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    North Carolina
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    Default Re: 71 Stage 1 & 4 speed question

    For 71 all 455 GSX cars and 71 stage 1 cars, regardless of the trans, and non stage 1 GS 455 4 speed cars came with a 3.42 as the standard gear ratio. For 71 the only 455 A body cars to not have a 3.42 rear gear ratio standard is a GS455 with an auto trans.

    I hope I got this right. Others will correct me if I am incorrect.
    Jim Lore
    BPG 1037
    "If you cannot clear up the confusion at least make the confusion clear."

  20. #20
    Join Date
    May 2002
    Location
    Mid-Ohio
    Posts
    1,167

    Default Re: 71 Stage 1 & 4 speed question

    The information I have seems to support what Jim Lore posted as 1971 standard equipment.

    455_____4-spd manual__3.42:1
    455_____TH-400 auto___3.08:1 (performance option 3.42:1)
    455_GSX 4-spd manual__3.42:1
    455_GSX TH-400 auto___3.42:1
    Stage 1__4-spd manual__3.42:1
    Stage 1__TH-400 auto___3.42:1
    Jim Jones

    BPG #2200
    GSCA Drop-out

    70 GSX #348 Stage 1, Q-Q, TH400, no A/C.
    70 Stage 1 58-58/Black buckets, TH400, no A/C (work-in-progress).

    USED-TO-BEs

    70 GS455 Conv. 19-A/White buckets, TH400.
    70 GS Stage 1, R26-B/Black buckets, M-21.
    70 GS455 Conv. 55-E/Burnished Saddle bench, TH400.
    70 Stage 1, 78-F/Burnished Saddle buckets, M-21, (regret I let this one get away).
    70 Stage 1, 10-F/ Burnished Saddle buckets, TH400.
    70 GS455, 55-B/Black buckets, TH400.

    and...STILL LOOKING

  21. #21
    Join Date
    Apr 2002
    Location
    Ontario
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    Default Re: 71 Stage 1 & 4 speed question

    Norm
    I was at BPG show when your car showed up
    I gave it a thorough inspection and that car is definetly a a Big Block 4 speed 71 GSX.

    That car being a 71 Big Block GSX should have an 8.5 "corporate 10 bolt 3.42 posi rear axle.
    The code stamped on axle tube should be LWB.
    If that car was a non Stage 455 car and not a GSX it would have come standard with an LHB 3.42 open axle.
    Even in 1971, Buick saw fit to give Big block GSX 4 speed cars a 3.42 Posi LWB code axle standard only in a GSX.

    Post some new pics of that car,very unique piece.

    Quote Originally Posted by 64 Hardtop View Post
    Not sure were to post so if it needs moved ok.
    Do factory Stage 1 cars underhood decals have "Stage 1" printed on them?
    Did 455 4 speed cars come with same dist as Stage 1?
    Did all 4 speeds come with a 3.42 ratio rear? With exception of special order and AC?
    I'm not sure if my information is all correct, so any help will be appericated.
    Last edited by Rich Johns; 04-02-2012 at 06:00 AM.
    Richard Johns

    Owner/Operator Pure Stock Auto Restorations Inc
    www.purestockauto.com


    70 GS Stage 1 Convertible Auto 3:64 12.71@109.15 1.92 60 ft PSMCDR 2009
    70 GSX Stage 1 M21 4 speed 3.64 Original Paint # 67 of 678
    70 GSX Stage 1 Auto 3:64 # 603 of 678 12.44@109.73 GS Nats 2012, 12.71@110.64 PSMCDR 2011
    70 GS 455 M21 4 speed 3:42 Bench Seat
    87 GN Astroroof
    70 GTO Judge Ram Air III M21 4 speed 3.90
    69 GTO Judge Ram Air IV M21 4 speed 3.90

  22. #22
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    Location
    Williamsport, PA
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    Default Re: 71 Stage 1 & 4 speed question

    Thanks for all the help, that is how I thought it was just wasn't sure.
    I really don't have any new pictures of interest. I have been checking some date codes and trying to determine just what I have. I haven't really started any restoration. Just making it driveable and safe at this time.
    Norman Dwayne Hicks
    NDH Automotive
    08 Pontiac G8 GT - Ignition Orange Metalic (Wifes)
    71 GSX 455 4-speed - Verdemist Green
    71 GS 350 4-speed Bench Seat & A/C
    64 Skylark 455 Race car - 2011 BPG Q16-R-UP
    64 Skylark 310 4-speed
    99 Rivieria 3.8SC (daily driver)
    93 Regal GS 3.8(daily driver)

  23. #23
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    Default Re: 71 Stage 1 & 4 speed question

    Are your carb and distrib numbers for a stage 1 car?
    Jim Lore
    BPG 1037
    "If you cannot clear up the confusion at least make the confusion clear."

  24. #24
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    Jan 2008
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    Williamsport, PA
    Posts
    501

    Default Re: 71 Stage 1 & 4 speed question

    Engine was replaced in the late 70's. Carb is dated a replacement stage 1 and I purchased a correct stamped dist.
    Norman Dwayne Hicks
    NDH Automotive
    08 Pontiac G8 GT - Ignition Orange Metalic (Wifes)
    71 GSX 455 4-speed - Verdemist Green
    71 GS 350 4-speed Bench Seat & A/C
    64 Skylark 455 Race car - 2011 BPG Q16-R-UP
    64 Skylark 310 4-speed
    99 Rivieria 3.8SC (daily driver)
    93 Regal GS 3.8(daily driver)

  25. #25
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    Location
    North Carolina
    Posts
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    Default Re: 71 Stage 1 & 4 speed question

    I see why the radiator decal info is interesting.

    You have looked on top of the gas tank and inside the car for paperwork?
    Jim Lore
    BPG 1037
    "If you cannot clear up the confusion at least make the confusion clear."

 

 
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