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Swapping a 305 TBI for a TPI 350?

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Old Oct 30, 2000 | 12:25 PM
  #1  
topcat240's Avatar
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Swapping a 305 TBI for a TPI 350?

I am planning on putting a 1992 Z28 350 with TPI into my 1992 RS which is a stock as a rock 305 TBI. I plan on getting the engine complete with TPI, computer, and wiring. What I need to know is what will I have to do to make this swap work? Any and all information would be greatly appreciated and extremely helpfull. Thanks for your time.

Wes
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Old Oct 30, 2000 | 12:39 PM
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Markolc's Avatar
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From: New Britain, CT, U.S.A
Car: '87 IROC
Engine: LT1 350
Transmission: 700-R4
You'll need to change the fuel pump in your fuel tank to a higher pressure one (i.e. a tpi fuel pump.
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Old Oct 30, 2000 | 10:33 PM
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Is that all I will need to swap if I get everything else?

------------------
1992 RS
"Stock as a Rock" future home of a TPI 350.
------------------
1979 Firebird
Chevy 400, TH350, Holley Intake, Carter AFB Competition Series 4-barrel, One inch Mr. Gasket open plenum riser, custom cat back exhaust w/thrush muffler, Accel cap and coil, 14x3 Edelbrock Elite Series open element w/K&N filter.
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Old Oct 31, 2000 | 07:27 AM
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You'll also need to make sure you have the 350's knock sensor as it is different than the 305's. I made this identical swap in my '89 RS so feel free to ask me any questions ya got. Good luck.
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Old Oct 31, 2000 | 02:58 PM
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Jeremy,
If i get the engine whole should it have the knock sensor still on it, and where is it so i can check for it? How long did the swap take you? What problems did you run into? Any more info that you can share would be great. Thanks again for your help.


------------------
1992 RS
"Stock as a Rock" future home of a TPI 350.
------------------
1979 Firebird
Chevy 400, TH350, Holley Intake, Carter AFB Competition Series 4-barrel, One inch Mr. Gasket open plenum riser, custom cat back exhaust w/thrush muffler, Accel cap and coil, 14x3 Edelbrock Elite Series open element w/K&N filter.
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Old Nov 6, 2000 | 11:08 PM
  #6  
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Has anyone done this else done this swap that can share any other information? Is this all there is to it? Thanks for any help you guys can share.

------------------
1992 RS
"Stock as a Rock" future home of a TPI 350.
------------------
1979 Firebird
Chevy 400, TH350, Holley Intake, Carter AFB Competition Series 4-barrel, One inch Mr. Gasket open plenum riser, custom cat back exhaust w/thrush muffler, Accel cap and coil, 14x3 Edelbrock Elite Series open element w/K&N filter.
Reply
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