corvette 113 heads
03-26-2010, 10:03 AM
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Car: 89 FORMULA 350 / 1991 RX7
Engine: 5.7 L98 / LT1
Transmission: 700R4 / 6 speed manual
Axle/Gears: 3.42 posi / 4.11 posi
corvette 113 heads
does anyone know if the vette 113 heads will except, without mods the old style sbc intake? also what intake gasket would i need? the vette uses a differant one from the regular sbc. any help would be great thanks
03-26-2010, 10:29 AM
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Car: 82 S10, 83 280ZX, 84 Z28
Engine: 355 smallblocks..na, 2.8 turbo
Transmission: 85:th350, 84:700R4
Axle/Gears: 85:ford9 4.85, 84:stock 3.24
Re: corvette 113 heads
i pretty sure the center bolt holes are angled differently so the old intake wont work without mod. the felpro 1204 gasket is a good one. here is a thread about those heads
https://www.thirdgen.org/forums/tpi/...tte-heads.html
https://www.thirdgen.org/forums/tpi/...tte-heads.html
03-26-2010, 10:31 AM
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Car: 89 FORMULA 350 / 1991 RX7
Engine: 5.7 L98 / LT1
Transmission: 700R4 / 6 speed manual
Axle/Gears: 3.42 posi / 4.11 posi
Re: corvette 113 heads
thanks alot of your reply. I have heard conflecting info on this subject. I will find out real soon either way. thanks
03-26-2010, 10:41 AM
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Car: 82 S10, 83 280ZX, 84 Z28
Engine: 355 smallblocks..na, 2.8 turbo
Transmission: 85:th350, 84:700R4
Axle/Gears: 85:ford9 4.85, 84:stock 3.24
Re: corvette 113 heads
if the heads were made after 86 they should have a different intake bolt pattern.
03-26-2010, 01:07 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
NOT TRUE!
The 113's have the '86-earlier bolt angles/pattern. They were used on the ZZ3 & ZZ4 crate engine, and that intake has all 90 degree bolt holes (have one of those manifolds on Berlinetta #1).
The 113's have the '86-earlier bolt angles/pattern. They were used on the ZZ3 & ZZ4 crate engine, and that intake has all 90 degree bolt holes (have one of those manifolds on Berlinetta #1).
03-26-2010, 01:15 PM
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Car: 89 FORMULA 350 / 1991 RX7
Engine: 5.7 L98 / LT1
Transmission: 700R4 / 6 speed manual
Axle/Gears: 3.42 posi / 4.11 posi
Re: corvette 113 heads
WOW . thanks for the reply 5.7! that would mean the 87 later tpi vette intakes are differant from the 87 later f-car. I wonder why GM did this. also the tpi vettes all ran a large cap hei. they must have planned on using those heads for gm performance catalog.
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