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Bruce Gann

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Reply with quote  #1 
Finally my 305 is sounding better! My AC belt got wet and now when I hit the gas it squeals! I blame it on the tires!
No really, I found a 1997 5.7 GMC truck motor and trans I'm trying to make a deal on.
Need your help, should I deal or pass?
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moderator

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Reply with quote  #2 
Bruce Gann,

That's a tough one.  Did you hear it run?  Did you get to drive the truck it came out of?

This type of purchase is a risk.  Are there any guarantee's? 

I guess it's down to how much will it cost ya...
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Bruce Gann

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Originally Posted by moderator
Bruce Gann,

That's a tough one.  Did you hear it run?  Did you get to drive the truck it came out of?

This type of purchase is a risk.  Are there any guarantee's? 

I guess it's down to how much will it cost ya...


Never got to drive it but it's a Grandpa's truck passed down to 22 year old grandson this year. I work with the owner and never seen it dirty, he was always cleaning it. He was in a accident last week and totaled the truck, sad to say but he didn't have full coverage and may be parting it out.
Is there a guarantee, no.
My question is, is the 97 5.7 a good motor for my 71 Elky? Is it worth the swap? Is it a good motor to modify later? Does it have a good history or bad?
If I buy it will it be another mistake? Last mistake is when I trusted the seller of my El Camino.

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Bruce Gann

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Should I keep it fuel injected or carb?
What am I looking at doing the late model swap, motor mounts, wiring, computer, exhaust, AC, ... ... ....
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Kurganhunter

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Reply with quote  #5 
Bruce,Just chiming in. If you want a computer, get a new car. I purpose built my 54' with a carb and a th 400 to not have computers running my classic. If It stops it's just air, fuel ,or spark. Not a defective sensor or program clitch. I lost a trani in a 2001 Nissan Xterra due to an overdrive module. $800 fix. That being said, if the motor is a great deal, buy it for a project that you don't need to get you to work and back. just sayin' Mike
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Bruce Gann

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Originally Posted by Kurganhunter
Bruce,Just chiming in. If you want a computer, get a new car. I purpose built my 54' with a carb and a th 400 to not have a computer in my classic. I lost a trani in a 2001 Nissan Xterra due to an overdrive module. $800 fix. That being said, if the motor is a great deal, buy it for a project that you don't need to get you to work and back. just sayin' Mike


That's why I got the 71 also but I just can't leave well enough alone.
I'll keep away from any computers. 
Thanks for reminding me...... I get off track sometimes..

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Tim H

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Reply with quote  #7 
That 97 Vortec is a great motor.  I ran one in my 71 Cheyenne 20 a few years ago and it was wonderful....yes there will always be a debate on FI versus Carb, but the wiring is pretty simple and there is something to be said for the smooth idle and lack of choke with FI, and the fuel consumption will be much better.
The only thing that I would change on that motor is the intake gaskets if they were never changed....there were issues with the factory one.  Otherwise, it is a great transplant.  Plus, I assume it has the 700R4 (or 4L60E, can't remember when the changeover occurred), which will be a nice bonus.
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