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Old 03-25-2012, 10:59 PM
Blake Blake is offline
Bleedin' Gasoline
Join Date: Dec 22, 2005
Location: longmont, colorado
Posts: 2,123
Couple of questions on my Howell TBI

Howell TBI in my waggy continues to run great! Although I really haven't drove it much other than towing the boat to the lake 2 miles away.

Driving the J10 to Moab in 3 weeks and thinking about swapping the Howell TBI over to the J10.

My questions are;

Can I run a TBI fuel pump (e2000) on a MC2150? Even just temporarily?

Say I pull a complete TBI and harness from 87-95 Chevy truck. Could I use my Howell computer on the GM TBI?
Please come on over to and have a look.
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Old 03-26-2012, 10:31 AM
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babywag babywag is offline
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Join Date: Jun 08, 2005
Location: Land of froot loops and cukcoo-nuts, CA
Posts: 10,002
NO! You'll flood the wee out of it with an EFI pump and a carb.
You would need to regulate the fuel pressure way down to like 5-6psi.

No need to use the Howell computer on a JY TBI system, but you could I suppose.
If you're getting the whole system, get the computer and use that with a chip.
88 GW, 67 J3000, 07 Magnum SRT8
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Old 03-26-2012, 03:17 PM
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Billygoat Billygoat is offline
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Join Date: Mar 16, 2004
Location: Southwest Wisconsin
Posts: 2,493
The Howell computer IS a GM 7747 ECM

If you need/want a second computer PM me, I have have a spare with the chip mod done & tested
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