305 TPI setup into 350
Supreme Member
Joined: Sep 1999
Posts: 7,072
Likes: 13
From: Philly, PA
Yes.
350 TPI units used 22 lb injectors vs. the 305 TPI's 19 lb units, but they are mechanically identical in other respects.
If yours uses a MAF sensor then DON'T upgrade to the larger injectors unless you get a chip designed to work with the larger squirters. If it's a speed-density unit then go ahead and put on the larger injectors.
350 TPI units used 22 lb injectors vs. the 305 TPI's 19 lb units, but they are mechanically identical in other respects.
If yours uses a MAF sensor then DON'T upgrade to the larger injectors unless you get a chip designed to work with the larger squirters. If it's a speed-density unit then go ahead and put on the larger injectors.
Joined: Mar 2000
Posts: 43,187
Likes: 42
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
Not too fast. Need to know the vintage of the TPI and 350.
In '87, the center two intake manifold bolt angles changed. Although this isn't too big a deal (the intake bolt holes can be elongated to fit the heads), it is still something that has to be addressed before simply saying it will "fit".
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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4, 2200 stall TC. Ported World 305 heads, Crane PowerMax cam. ZZ4 intake, oil pump, pan & baffle. Accel HEI SuperCoil & module. Hooker 2055 headers, 3" Catco cat & 3" catback w/dual-opposite Flowmaster. 2.93 limited slip, Spohn SFCs. AMSOIL syn lubes bumper-to-bumper. Daily year-round driver. Best ET, speed TBD...
57 Bel Air, my 1st car. '66 396, 9.7:1 forged TRWs, Weiand Action+, Holley 750VS w/4150 conversion, 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 @ 700 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).
In '87, the center two intake manifold bolt angles changed. Although this isn't too big a deal (the intake bolt holes can be elongated to fit the heads), it is still something that has to be addressed before simply saying it will "fit".
------------------
82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4, 2200 stall TC. Ported World 305 heads, Crane PowerMax cam. ZZ4 intake, oil pump, pan & baffle. Accel HEI SuperCoil & module. Hooker 2055 headers, 3" Catco cat & 3" catback w/dual-opposite Flowmaster. 2.93 limited slip, Spohn SFCs. AMSOIL syn lubes bumper-to-bumper. Daily year-round driver. Best ET, speed TBD...
57 Bel Air, my 1st car. '66 396, 9.7:1 forged TRWs, Weiand Action+, Holley 750VS w/4150 conversion, 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 @ 700 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).
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