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Author Topic:   Engine setback?

Posts: 786
From: God's Country!... Port Alberni B.C. Canada
Registered: Jul 2001

posted 03-24-2002 02:33 AM     Click Here to See the Profile for stang106   Click Here to Email stang106     Edit/Delete Message   Reply w/Quote
It does seem that I have room to setback the smallblock about an inch towards the firewall. Is this worthwhile for a street/strip car, or is the weight transfer gains so minimal its not worth the effort? Fabrication of steel parts is not a problem, the exhaust is not built yet, and maybe now is good time to switch to an aluminum driveshaft.

'70 ragtop Stang
"I live my life 16.090 seconds at a time"

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Posts: 233
From: Republic Of Texas!! Temporarily living in KY
Registered: Feb 2002

posted 03-24-2002 09:14 AM     Click Here to See the Profile for 64FalconF-16   Click Here to Email 64FalconF-16     Edit/Delete Message   Reply w/Quote
I have heard that every inch you set back a motor back is like taking 60 lbs off of the front end and moving to the rearend.

I don't think it really matters much unless you have a race car. I have a 70 Cuda that is setback 4 inches and on a motor plate. The car hooks up coming out of the hole better than before we did the setback. But like I said this is for a race car.

64 Pro-Street Falcon
351C 4V 8.1s in 1/8
79 Ford Bronco 4 X 4 Lifted 6"
400 9.9s in 1/8 :)
70 Plymouth Cuda'
440 Magnum. 2600#
Race Car 6.90 in 1/8

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kid vishus

Posts: 6590
From: middle of NC
Registered: Oct 2000

posted 03-24-2002 06:40 PM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
I have heard numbers that for every inch you set the motor back is worth anywhere from 60 lbs to 100 lbs off the nose to the rear. On a street/strip car, I dont think it would be worth the trouble. And besides instead of just one inch, I would go at least 2 inches if I were going to go thru the hassle of moving the motor.

[This message has been edited by kid vishus (edited 03-24-2002).]

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