Carburetors Carb discussion and questions. Upgrading your Third Gen's carburetor, swapping TBI to carburetor, or TPI to carburetor? Need LG4 or H.O. info? Post it here.

SWAPPING TO A ROCHESTER FROM A TPI

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Old Oct 13, 2008 | 08:48 AM
  #1  
Jesse's87Z28's Avatar
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SWAPPING TO A ROCHESTER FROM A TPI

i AM STRAPPED FOR CASH CAUSE OF THIS FIN TPI SO MY UNCLE GAVE ME 4BBL ROCHESTER IT IS A 1980 CHEVY MANUAL TRANS CARB. wILL THIS BE ALRIGHT ON A MY STOCK 89 350? WHAT DO ALL HAVE TO DO TO MAKE IT COMPATILBE WITH MY CAR AND 700R4WILL IT BOLT TO OEM 4 BBL 350 INTAKE? CAN I DO ANY PERFORMANCE UPGRADES WITH THIS CARB?
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Old Oct 14, 2008 | 04:10 PM
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Rayzor32's Avatar
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From: BUFFALO, NY
Car: '89 IROC-Z
Engine: 355
Transmission: 700r4 edge 3000 stall
Axle/Gears: 9-bolt 3.73
Re: SWAPPING TO A ROCHESTER FROM A TPI

if its a spreadbore intake it will bolt up. You will need a fuel pressure regulator to get the fuel psi down for the carb
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