I am new to these boards and I need some advice and help. I just bought an '88 GTA with the 5.7/L98 and I got it for a great price. One problem is I just found out I have a cracked pass. side head and I am new to hotrodding newer/injected engines. I have plenty of experiance with assorted GM muscle cars and just finished my '71 SS 454 El Camino (Which just split the 12 bolt down the middle on my first run with slicks!) Anyways I want to retain the TPI and would like to know my head options/choices (years,ect), where to find the parts and if anyone out there might have a used set they would like to un-load fairly cheap to a new daddy who doesent have much money and dont want to part with my new love. Thanks for everyones time and effort ahead of time.
Denne Fox

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Check out the classifieds. The beauty of TPI is that you can use any chevrolet production head on the market. Prior to 87 will require the elongation of the center manifold bolt holes, but other than that, any heads you want. I know a guy who has a set of steel L98 heads sitting in his garage. Post your e-mail and I'll get you his e-mail address.

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355 c.i.
Dart 180 Heads
Lunati 224/224 cam
Harland Sharp 1.5 rockers
Performer RPM Manifold
Holley 600 cfm double pumper
Hooker Super Competition Headers
Flowmaster Exhaust
Competition Engineering Sub-frame connectors
Super T-10
GM posi 3.42 rear
Hurst Roll Control
13.9@102

 

how bad is it cracked? i've welded up a few iron heads that were cracked with good results. there ought to be someone in your area that does cast iron repairs. that is if you don't want to upgrade and replace the heads you have. might want to consider a new bare head from gm.

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ICON Motorsports
1st & 3rd
MM Black Diamond 538 F&AM

 

Perfect timing for some alum L98 heads??? I think so...

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91 Z28
Best Time Slip:
60' - 2.098
1/8 - 9.137 , MPH - 76.21
1/4 - 14.213, MPH - 97.55
Performace Mods: B&B Exhaust, few free mods.
Appearance Mods: SS wheels, 2.5" Cowl Hood... New 100% Black paint job, Clear Side Marker Lights
Stereo: Alpine 855, Infinity Kappas all around, Infinity 150x2 amp (POS), Infinity Perfect 10 in hatch.
Pictures are Here
ICQ: 1437212
AOL: normalmatt9

 

Sorry about that, My E-mail is: cycobeast@yahoo.com And I did not know that any year would fit. Are there any other mods that will need to be done to fit the TPI to earlier heads?
Thanks,
Denne

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Denne- If you want a stock head that will bolt right on my brother still has his stock L-98 heads from his 87 TPI 350 in his garage. I'm sure he'll part with one or both for next to nothing. Decent condition, fully assembled, ready to bolt on. Shoot me an email if you're interested.