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Old 10-06-2004, 01:53 PM
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502 swap

i was figureing that since older engines don't take much to make them run( air, fuel, spark) that i would be able to bypass having to reprogram. but i will have to get new engine mounts. if any one knows a place to get a decent set without having to sell one of my kidneys on e-bay please let me know. here in the next month or so i will start a journal so that everyone can see how it goes. but i will try without the chip or reprogram and we will see if these computers are as smart as they are supposed to be.

and does any one know what the fuel pressure is supposed to be to that particular engine?

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Old 10-06-2004, 02:13 PM
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What type of induction are you running? What size/type of engine did the induction come off of? If your moving up a decent size in CU.IN and its a Fuel Injected setup you WILL need to reprogram. It might run without it but it will not be efficient and will probably run lean.

Throttle body pressure is normally 8-14 (commonly in the 12-13 range) I believe.

Gm's Multiport setups normally run anywhere from 36-52 pounds.
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Old 10-07-2004, 02:41 PM
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i'm going to run with the stock dual plane(spelling?) intake with a least an 850 cfm carb. one of my instructors told me that should be able to get by having higher fuel pressure by using a pressure regulator in the fuel line. and since the distributor in cetrifigal it should advance the timing on its own. but if any one knows different please let me know, i'm still in the hypothetical(guessing) stage. haha
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