Engine Swap Everything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.

Car Geometry

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Old Sep 20, 2003 | 09:10 PM
  #1  
D M N's Avatar
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Car: Right now 93 Lumina
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Car Geometry

ok will moving the engine farther back into the firewall improve stability and more weight into the rear??
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Old Sep 21, 2003 | 04:58 PM
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From: Mo.
Car: Z/28
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stability i would think that it depends on the rest of suspension setup (spring rates swaybars etc.) , but weight distribution yes and rearward weight transfer yes. I would set the car up on a skid pad and dial it in.
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Old Sep 21, 2003 | 04:59 PM
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i was talking about the kind of setup the 4th gens have i mean they are recesed deep in the firewall
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Old Sep 21, 2003 | 05:29 PM
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Originally posted by D M N
i was talking about the kind of setup the 4th gens have i mean they are recesed deep in the firewall

with 4thgens, they didnt set the engine back.. the firewall just mearly went forward.... the engine sits under the cowl because some designer at GM thought having a huge sloped windshield was a good idea

in a 4thgen, the engine is in the same place that it is on a 3rdgen.
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Old Sep 21, 2003 | 07:58 PM
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i always thought that the engine was so far back in the 4th gen cars to help eliminate backyard meachanics.
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Old Sep 22, 2003 | 03:27 PM
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Originally posted by demonchild
i always thought that the engine was so far back in the 4th gen cars to help eliminate backyard meachanics.
backyard mechanics??
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Old Sep 22, 2003 | 05:36 PM
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150+ MPH w/275 HP is the reason of the sloped windsheild. :rockon:
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Old Sep 22, 2003 | 05:58 PM
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Re: Car Geometry

Originally posted by D M N
ok will moving the engine farther back into the firewall improve stability and more weight into the rear??
Of course. You should see some of the things people have done to accomplish that objective in the last 4 decades or so.

You can see what the factory did in the 4th gens. Certainly curtails casual shade tree activity.
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Old Sep 22, 2003 | 06:19 PM
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Originally posted by AJ_92RS
150+ MPH w/275 HP is the reason of the sloped windsheild. :rockon:

3rdgen firebirds have a lower drag co..
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Old Sep 23, 2003 | 03:16 PM
  #10  
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Originally posted by MrDude_1
3rdgen firebirds have a lower drag co..
cool
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