swap 4.3 to 5.0...any helpfull tips???
January 13th, 2011, 9:03 PM
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swap 4.3 to 5.0...any helpfull tips???
I have a 305 tbi w/ harness and computer from a 1990 firebird...my truck is a 1991 has the 4.3 right now and a 5spd...any thing I should know about things bolting right up?....people tell me should droppp right in ....are they right??
thanks for any help...
thanks for any help...
January 14th, 2011, 1:31 AM
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a 4.3 is a 305 with two cylenders cut off so allmost evearything should bolt right up you would need longer rad hoses and also a deeper fan swroud not sure about the motor mounts but it should be a fairly east job. hope this helps
January 16th, 2011, 8:34 PM
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350 cubic inch divided by 8 cylinders is 43.75 cubic inch per cylinder. 43.75 cubic inch times 6 cyclinder is 262.5 cubic inch, which is exactly what a 4.3l is.
I know what's needed for a 4.3 to 5.7, but to a 5.0 I do not. But I know you are going to need at LEAST the radiator, electric fans, the ECM or the ECM retuned with a 5.0 tune. The 5.0 wiring harness or modify the 5.0 wiring harness. And motor mounts.
Last edited by wmiller1337; January 16th, 2011 at 8:38 PM.
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