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Old 03-15-2005, 12:24 AM
windstar4family windstar4family is offline
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89 IROC 305 to 350 swap HELP!!!!!

I'm about to swap out an engine in a '89 IROC that is equipped with a 305. I need to know what I would have to change in order to use a 350 in it's place. Any info about this or some help as to where I might find all the needed info pertaining to this swap would be greatly appreciated. Also I'm in search of a reputable engine builder who sells a good performance 350 for the '89. Thanks in advance.
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Old 03-15-2005, 02:39 AM
Morley Morley is offline
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Ok, we're going to assume it is a 305 TPI. To swap in the 350 you'll need: Prom for an 89 350 or a custom chip for a 350 using the 1989 ARAP Corvette code (the absolute BEST MAF code GM ever wrote)
You'll need 22 lb injectors, and a 350 knock sensor. Everything else from the 305 set up will be used on the 350.
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Old 03-15-2005, 11:00 AM
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89IROC&RS 89IROC&RS is offline
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Re: 89 IROC 305 to 350 swap HELP!!!!!

well, morley again covered about all the bases, as far as a reputable shop that builds 350's, are you looking for a place local to where you live, or a major company that does mail order crate engines?
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Old 03-19-2005, 04:18 PM
windstar4family windstar4family is offline
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I'm looking for a good mail order engine. I'd like to find a mild 350 nothing super high hp though. Thanks for the reply's!
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Old 03-20-2005, 12:36 PM
Morley Morley is offline
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Re: 89 IROC 305 to 350 swap HELP!!!!!

Quote:
Originally Posted by windstar4family
I'm looking for a good mail order engine. I'd like to find a mild 350 nothing super high hp though. Thanks for the reply's!
What kind of price were you looking at?
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