In the market for a new 350
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Junior Member
Joined: May 2001
Posts: 12
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From: Colonia, NJ
In the market for a new 350
I'm looking to buy a new 350 to replace the old one in the IROC (smoke was coming from the valve cover before with a nice SES light, so I figure it'd be good to get rid of the 100,000 mile 305).
I was looking on paceparts.com and my question is: Will the TPI fit on the universal 350 they have there? If not, which ones will it work on? I don't have that big of a budget, and just want something that will provide a decent platform (225-250hp) that can be built off of in the future.
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Ryan G.
Cars:
1986 Camaro IROC-Z
1979 Camaro Sport Coupe
I was looking on paceparts.com and my question is: Will the TPI fit on the universal 350 they have there? If not, which ones will it work on? I don't have that big of a budget, and just want something that will provide a decent platform (225-250hp) that can be built off of in the future.
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Ryan G.
Cars:
1986 Camaro IROC-Z
1979 Camaro Sport Coupe
Joined: Mar 2000
Posts: 43,187
Likes: 43
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Nobody else responded, so I'll try my $.02...
Your TPI should bolt up to the 350, as it has the '86-prior intake bolt pattern. But, it has a two-piece rear main seal, so you'll need a different flex plate (assuming your '86 is one-piece, as mine is - there's been discussion as to whether that's always true on '86's). Headers and a better flowing exhaust would have helped your 305, so consider them for your first upgrade for the 350.
It isn't a bad place to start, but just remember that this particular engine has cast dished pistons, and non-performance small valve/small port heads. To really get the most of out of it would require head and piston replacement.
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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4. 2.93 limited slip. Cat-back from '91 GTA, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LG4 w/'87 LB9 block, ZZ3 cam and intake, World 305 heads, Hooker headers & y-pipe, 3" Catco cat & 3" cat-back).
57 Bel Air, my 1st car. '66 396, 9.7 CR forged TRWs, Weiand Action+, Edelbrock 1901 Q-Jet, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 600 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).
Your TPI should bolt up to the 350, as it has the '86-prior intake bolt pattern. But, it has a two-piece rear main seal, so you'll need a different flex plate (assuming your '86 is one-piece, as mine is - there's been discussion as to whether that's always true on '86's). Headers and a better flowing exhaust would have helped your 305, so consider them for your first upgrade for the 350.
It isn't a bad place to start, but just remember that this particular engine has cast dished pistons, and non-performance small valve/small port heads. To really get the most of out of it would require head and piston replacement.
------------------
82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4. 2.93 limited slip. Cat-back from '91 GTA, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LG4 w/'87 LB9 block, ZZ3 cam and intake, World 305 heads, Hooker headers & y-pipe, 3" Catco cat & 3" cat-back).
57 Bel Air, my 1st car. '66 396, 9.7 CR forged TRWs, Weiand Action+, Edelbrock 1901 Q-Jet, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 600 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).
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