Thread: 97 Alt Bracket on my 1999 GTP?

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  1. #1 97 Alt Bracket on my 1999 GTP? 
    GTP Level Member 97AutoXVette's Avatar
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    Is it possible to run a early style W-Body bracket on my 1999 GTP?

    I am going to be swapping rockers within the next week or so and am wondering if I can put a 97 style alt. bracket on the car instead of the current one. I'd be looking to do this so if I replace rockers/springs/etc. again in the future, I won't have to keep pulling the bracket assy. off and draining coolant.

    Thanks for any advice
    1998 GTP sedan: sold, 1999 GTP coupe #1: sold, 1999 GTP coupe #2 on E85: totalled
    2002 GTP sedan:
    3" downpipe|PLOG|poly mts|160 T*|60# Injectors|ZZP Intake|1.8 YT RRs|Ported Gen3|Ported ZZP S2 TB|E85|FP rewire|ZZP FSIC|WP UD Pulley|2.8 MPS|HP-Tuners
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  2. #2 Re: 97 Alt Bracket on my 1999 GTP? 
    Moderator Russosaur's Avatar
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    I think you would still have to pull anyway I thought the only difference between them was the cast elbow.

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  3. #3 Re: 97 Alt Bracket on my 1999 GTP? 
    Killa Bee Scottydoggs's Avatar
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    no you cant, not unless you also buy the alt for it. and why in the hell you want a cast elbow? they are a pita.

    and you dont need to remove the alt or the alt bracket to do rockers. i just installed a set last month.

    if your valve cover touches the bracket, loosen up the 3 bolts, and thats all you need to do, when done make em tight again, try not to play with it when its loose. i mean like 2 tunes loose just enough to get the cover off.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  4. #4 Re: 97 Alt Bracket on my 1999 GTP? 
    Killa Bee Scottydoggs's Avatar
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    on second thought, to bad your not closer, id swap mine for yours any day lol

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  5. #5 Re: 97 Alt Bracket on my 1999 GTP? 
    GTP Level Member 97AutoXVette's Avatar
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    Quote Originally Posted by Scottydoggs View Post
    on second thought, to bad your not closer, id swap mine for yours any day lol
    haha... thanks for the info. I was actually reading earlier today that you can in fact just loosen up those bolts and back the bracket off ever so slightly to get the valve cover off. I am hoping that is the case!
    1998 GTP sedan: sold, 1999 GTP coupe #1: sold, 1999 GTP coupe #2 on E85: totalled
    2002 GTP sedan:
    3" downpipe|PLOG|poly mts|160 T*|60# Injectors|ZZP Intake|1.8 YT RRs|Ported Gen3|Ported ZZP S2 TB|E85|FP rewire|ZZP FSIC|WP UD Pulley|2.8 MPS|HP-Tuners
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  6. #6 Re: 97 Alt Bracket on my 1999 GTP? 
    GTP Level Member 97AutoXVette's Avatar
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    Also, Scotty, I am guessing your 98 has the old alt. setup though?
    1998 GTP sedan: sold, 1999 GTP coupe #1: sold, 1999 GTP coupe #2 on E85: totalled
    2002 GTP sedan:
    3" downpipe|PLOG|poly mts|160 T*|60# Injectors|ZZP Intake|1.8 YT RRs|Ported Gen3|Ported ZZP S2 TB|E85|FP rewire|ZZP FSIC|WP UD Pulley|2.8 MPS|HP-Tuners
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  7. #7 Re: 97 Alt Bracket on my 1999 GTP? 
    Killa Bee Scottydoggs's Avatar
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    97/98 have that dumb cast lower elbow. so yup, i got one. my valve cover comes right off too lol

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  8. #8 Re: 97 Alt Bracket on my 1999 GTP? 
    GTP Level Member 97AutoXVette's Avatar
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    I'm thinking that I may have a bit tougher time with my valve cover clearing my 99+ style Alt. Bracket
    1998 GTP sedan: sold, 1999 GTP coupe #1: sold, 1999 GTP coupe #2 on E85: totalled
    2002 GTP sedan:
    3" downpipe|PLOG|poly mts|160 T*|60# Injectors|ZZP Intake|1.8 YT RRs|Ported Gen3|Ported ZZP S2 TB|E85|FP rewire|ZZP FSIC|WP UD Pulley|2.8 MPS|HP-Tuners
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  9. #9 Re: 97 Alt Bracket on my 1999 GTP? 
    Moderator dsmuts's Avatar
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    It's easy to get it to clear. I just did it the other day.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
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  10. #10 Re: 97 Alt Bracket on my 1999 GTP? 
    GTP Level Member 97AutoXVette's Avatar
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    Quote Originally Posted by dsmuts View Post
    It's easy to get it to clear. I just did it the other day.
    yours is the 98 style bracket though right? I believe the 99+ style protrudes further over the valve cover
    1998 GTP sedan: sold, 1999 GTP coupe #1: sold, 1999 GTP coupe #2 on E85: totalled
    2002 GTP sedan:
    3" downpipe|PLOG|poly mts|160 T*|60# Injectors|ZZP Intake|1.8 YT RRs|Ported Gen3|Ported ZZP S2 TB|E85|FP rewire|ZZP FSIC|WP UD Pulley|2.8 MPS|HP-Tuners
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  11. #11 Re: 97 Alt Bracket on my 1999 GTP? 
    I live here. Slick2500's Avatar
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    Scotty I have a 99+ style alt bracket that I'm not using adn the belt off a 2005 gt.
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  12. #12 Re: 97 Alt Bracket on my 1999 GTP? 
    I live here. Slick2500's Avatar
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    Quote Originally Posted by 97AutoXVette View Post
    yours is the 98 style bracket though right? I believe the 99+ style protrudes further over the valve cover
    He has a 04 Compg.
    2003 Redfire Metallic Chevy Tahoe Z71 - Airaid Modular Intake Tube, Flowmaster Exhaust.
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  13. #13 Re: 97 Alt Bracket on my 1999 GTP? 
    GTP Level Member 97AutoXVette's Avatar
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    Ahh.. good point. Thx
    1998 GTP sedan: sold, 1999 GTP coupe #1: sold, 1999 GTP coupe #2 on E85: totalled
    2002 GTP sedan:
    3" downpipe|PLOG|poly mts|160 T*|60# Injectors|ZZP Intake|1.8 YT RRs|Ported Gen3|Ported ZZP S2 TB|E85|FP rewire|ZZP FSIC|WP UD Pulley|2.8 MPS|HP-Tuners
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  14. #14 Re: 97 Alt Bracket on my 1999 GTP? 
    GTP Level Member 97AutoXVette's Avatar
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    Looks like I will just have to give it a whirl this weekend and see how it goes!
    1998 GTP sedan: sold, 1999 GTP coupe #1: sold, 1999 GTP coupe #2 on E85: totalled
    2002 GTP sedan:
    3" downpipe|PLOG|poly mts|160 T*|60# Injectors|ZZP Intake|1.8 YT RRs|Ported Gen3|Ported ZZP S2 TB|E85|FP rewire|ZZP FSIC|WP UD Pulley|2.8 MPS|HP-Tuners
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  15. #15 Re: 97 Alt Bracket on my 1999 GTP? 
    Grocery Getter x2 goldgp's Avatar
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    It works, ive got my 2000's bracket and alt on my 98 and its on my 2000.(gen 5 swap on 98)
    1998 GTP Mods: Getrag 5 speed ,balanced bottom end,ARP hardware,L32 rods,Federal pistons .20 over,XP Cammed,Double roller,130# springs,and 3.4 Gen V,SSC springs,GMPP sways, C5 calipers,12 inch brakes.2000 Grand Prix SE 3.8 Mods: GT dual exaust,plog,downpipe,Transgo Shift kit,1.9 yella terra rr,strut braces,gmpp kit.Both noob tuned with HP Tuner
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  16. #16 Re: 97 Alt Bracket on my 1999 GTP? 
    Killa Bee Scottydoggs's Avatar
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    he want to go the other way. 99 to a 97. bad idea lol

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  17. #17 Re: 97 Alt Bracket on my 1999 GTP? 
    The Boss Iceman6669's Avatar
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    Personally I love the 97/98 style.. Means I only gotta replace one elbow.
    97 GTP Sold-prolly rusted away by now
    2011 F-150 Yote powered
    Too Hot to Handle, Too Cold to Hold
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  18. #18 Re: 97 Alt Bracket on my 1999 GTP? 
    Killa Bee Scottydoggs's Avatar
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    and risk breaking the timing cover every time you take off the bracket. thats the part i dont like.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  19. #19 Re: 97 Alt Bracket on my 1999 GTP? 
    The Boss Iceman6669's Avatar
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    Quote Originally Posted by Scottydoggs View Post
    and risk breaking the timing cover every time you take off the bracket. thats the part i dont like.

    How do you risk breaking the timing cover?
    97 GTP Sold-prolly rusted away by now
    2011 F-150 Yote powered
    Too Hot to Handle, Too Cold to Hold
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  20. #20 Re: 97 Alt Bracket on my 1999 GTP? 
    Killa Bee Scottydoggs's Avatar
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    when removing it it dont just come out, you have to wiggle and pull, wiggle to much the timing cover breaks where the elbow enters the cover. now you looking a much larger job to change the timing cover out.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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