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2.8 carb to 305 TBI

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Old Jun 4, 2001 | 09:17 PM
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87 IROC 350 TPI's Avatar
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From: SC
2.8 carb to 305 TBI

I'm about to swap a 2.8 carb firebird to a 305 throttle body engine out of a 88 IROC, was wondering if I can use the iroc harness and computer or will I need to get one for a later model bird. any help before I get started will be appreciated.


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Old Jun 5, 2001 | 08:29 PM
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Brian92RS's Avatar
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A little advice.. If you're going to swap in a V8, make it worth your while.

Go with a 350... You will be happy you did.
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Old Jun 5, 2001 | 09:31 PM
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I don't think the swap to TBI is really worth it. A TBI engine only puts out 170 hp. Save your money for either a TPI or a carb setup.
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Old Jun 5, 2001 | 09:45 PM
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Car: 91 Red Sled
Axle/Gears: 10bolt Richmond 3.73 Torsen
<font face="Verdana, Arial" size="2">Originally posted by cdartz:
I don't think the swap to TBI is really worth it. A TBI engine only puts out 170 hp. Save your money for either a TPI or a carb setup.</font>
HA, save up for a carb setup! So instead of the Lo3 with 170hp he should go with an Lg4 and it's 155hp . It's not the TBI, it's the engine.
Don't go with a stock Lo3, it's a piece every way you look at it. 305 is probably the cheapest v8 but don't use it, build a 350 or get a rebuilt crate motor. In the long run (1 week ) you'll be very happy that you didn't swap in an Lo3.



------------------
, Jon (350 TBI!)
91 Red My website
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Old Jun 6, 2001 | 01:48 AM
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<font face="Verdana, Arial" size="2">Originally posted by JPrevost:
HA, save up for a carb setup! So instead of the Lo3 with 170hp he should go with an Lg4 and it's 155hp . </font>
I meant for him not to waste his time with the entire L03 setup including the engine. Believe me I know. I have one. I also have a TPI car.

I suppose I should be more specific. Save for a 350 and either put a carb on it or go TPI. The carb is the cheapest way to go fast.

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Old Jun 10, 2001 | 05:43 PM
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i am doing the same swap except with a 350, and i was wondering how to put a carb on the 350 because i don't want to go throught h*ll trying to setup the computer for the TPI. anyone know how? and if i do put a carb on it will it be emission legal?

[This message has been edited by SkyF41 (edited June 10, 2001).]
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