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Old 02-27-2012, 10:49 AM
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swapping 305tbi to 350 tbi

what do I nedd and have to change

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Old 02-27-2012, 01:09 PM
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Quote:
Originally Posted by kc117199a
what do I nedd and have to change
Probably the chip in the computer or get the 350 computer. The 350 has 45 more cubes to fuel, the 305 and 350 share a lot of injection parts but usually they use different injectors the 305 using 45 lb/hr and the 350 either 55 lb/hr std duty or 65 lb/hr heavy duty. If you use the 350 TBI with the 305 computer you might get away with it. But the torque development of these engines will put the fuel map slightly off which is why I suggest the 350 computer with the 350 including its TBI with the bigger flowing injectors. It's a matter of getting the throttle position, which dictates manifold vacuum, into synch with manifold vacuum to RPM.

Bogie
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