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post #1 of (permalink) Old 12-14-2000, 10:37 PM
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FI on a 72 Chevy 350

Anyone have any experience with the Holley FI systems on an older Chevy 350?

Any other brands?

Mark F

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post #2 of (permalink) Old 12-14-2000, 11:02 PM
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Re: FI on a 72 Chevy 350

Howell Engine Developments

post #3 of (permalink) Old 12-15-2000, 05:00 AM
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Re: FI on a 72 Chevy 350

why not just get the efi from a late model 350? you can graft it onto your motor and get a chip burned to match your motor. i have read of people using these even on ford motors. leader from this board has grafted one onto his 350 powered jeep so you might shoot him a message and get the ins and outs.

brian wilson
80 cj5 "high 5"
stretched to 100" wb
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post #4 of (permalink) Old 12-15-2000, 06:36 AM
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Re: FI on a 72 Chevy 350

The TBI fuel injection system used from 1987 - 1995 is usually the easiest FI to convert to an older vehicle. There are some advantages to conversion kits from companies like Howell EFI One of the biggest advantages is the wiring harness. It's common to find junkyard TBI systems with parts of the wiring harness cut.

It's possible to get a TBI system from a junkyard and make it work, but your going to be your technical assistance department.

Personally, I'm infavor of the GM TBI system over the Holley system. The GM system is well supported with lots of aftermarket parts and sensors. There is lots of technical materials to help learn and repair the GM TBI system.

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post #5 of (permalink) Old 12-15-2000, 12:11 PM
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Re: FI on a 72 Chevy 350

I went to the junk yard and pulled everthing that was related to the FI, and got a harness from Painless to hook it up with.Overall, I like it a hell of alot better than the holly stuff...THe holley is nice if your engine is all hopped up, but if it's stock or right at it the factory stuff is the way to go.The holly system has no way to tell you what failed other than experience, at least the factory stuff will give you a code as to what went bezerk!!!

post #6 of (permalink) Old 12-16-2000, 08:42 PM
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Re: FI on a 72 Chevy 350


So what was your donor vehicle and what was the total cost?

post #7 of (permalink) Old 12-16-2000, 09:46 PM
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Re: FI on a 72 Chevy 350

If you are interested in building it yourself... or are gathering most of the parts you should join the "Homegrown TBI" list. It on Egroups at

The list just transferred over from another server and the Egroups thing just started earlier this week. There is 100 members .... so lots of info there.

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