If i were to swap my 305 should i try and go with the 350 tpi setup, or just save myself the wiring and go with a carb? What years did they make a 350 with a carb, and what are the engine codes?
thanks

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87 305 4 barrel

 

It really depends upon what you're trying to achieve. The 350 never came with a carb in 3rd gens. If you have emissions concerns, you can go with the 350HO Camaro conversion kit and have a certified setup. Or, you could go the stealth route and put a 350 longblock under your LG4 equipment.

The TPI is certainly the next step up in technology, but getting it together would be a lot more work than the above options. However, driveability and gas mileage typically improve with TPI.

Either way, exhaust upgrades are a must.

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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R. 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/LB9 block, ZZ3 cam and intake, TBD heads ported & polished, Hooker headers & y-pipe, 3" Catco cat).
57 Bel Air, my 1st car. 0.030 over 396, Weiand Action+, Edelbrock 1901 Q-Jet, Jacobs Omnipack, 1-3/4" headers, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Best 15.1 @ 5800' Bandimere. Daily driver while Camaro was being put together.

 

Whats the cost of an HO conversion kit? Were 350's made with TBI? From looking through the tech page it seems that 350's were only made with tpi.

 

The kit is about $4300 plus shipping and tax. It is very complete, although it uses exhaust manifolds rather than headers. Even includes ECM, PROM, transmission beef-up/reprograming, and lower control arms for the rear.

350 3rd gens only came with TPI as you observed.