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Old November 14th, 2005, 04:37 PM   #1
mschaffer66
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Default Lets get some FI talk goin

Say you have an old carbed 350 and you want to make it FI. What would you do?

I've been looking at some options:

TBI - Doesn't support enough horsepower
TPI - I've heard this is a good set up, easy with aftermarket harnesses
Accel DFI - Expensive, requires installing your own injectors
Megasquirt - Cheaper than Accel, but still you need your own injectors
F.A.S.T. - Don't know much about them, but their stuff is pricey
MoTec - Tuning and upgrading is limitless...but you might need to remortgage your house
Holley Pro-Jection - Just like TBI doesn't support enough HP
Holley Commander - Supports the power for a price

So what input does everyone else have?
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Old November 14th, 2005, 04:56 PM   #2
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i got stock stuff, but i would go with the TPI set up. i think it would probly be cheaper then them other kits and it can support some hp 400+ i think. id look on ebay and what not and pick up a whole motor and wireing harness and sell the motor. to make back some cash.
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Old November 14th, 2005, 05:04 PM   #3
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I hope I'm not in the same boat... I'm going to try out the holley avenger carb, and see what that does for me.... If I run into issues, I'm going to go TPI
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Old November 14th, 2005, 05:08 PM   #4
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Quote:
Originally Posted by clarkstoncracker
I hope I'm not in the same boat... I'm going to try out the holley avenger carb, and see what that does for me.... If I run into issues, I'm going to go TPI
I've only wheeled a vehicle with the avenger carb once...it started stalling on me half way up the steps at marble head. And crapped out just as i got over the top.

I think for hill climbs the Avenger might be good cause you are going balls to the wall. But for slow uphill crawls I think you still need FI.
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Old November 14th, 2005, 05:35 PM   #5
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There's the multiport setup on the late 90s motors as well. And if you buy a whole junkyard take out then you get the Vortec heads as too.

The harness and computer are already designed to be mounted underhood and are suitably weather resistant... something all of us can appreciate. The TPI setups always seem to go for more $$ too since theyre "easier" to swap and from F and Y bodies. Not to mention those computers (as well as TBI) were mounted in the passenger compartments, and have no sealing.
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Old November 14th, 2005, 05:51 PM   #6
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Quote:
Originally Posted by blizazer
There's the multiport setup on the late 90s motors as well. And if you buy a whole junkyard take out then you get the Vortec heads as too.

The harness and computer are already designed to be mounted underhood and are suitably weather resistant... something all of us can appreciate. The TPI setups always seem to go for more $$ too since theyre "easier" to swap and from F and Y bodies. Not to mention those computers (as well as TBI) were mounted in the passenger compartments, and have no sealing.
Been there, done that :)

The Vortec swap isn't bad. I was trying to get a topic going for converting a carbed motor to FI.
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Old November 15th, 2005, 07:10 AM   #7
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check with http://www.painlesswiring.com/
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Old November 15th, 2005, 07:12 AM   #8
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http://www.turnkeyengine.com/
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Old December 12th, 2005, 08:38 AM   #9
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Jim Kitson/WhiteRhino runs a Holley truck avenger carb on his GM crate motor(330-350hp) in his YJ. That carb runs almost as good as fuel injection. I runs at slow hill climbs, off-camber, etc. Not as good as FI, but darn close.
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