LT1-LT4 Modifications 1993-97 Gen II Small Block V8

my set up! what you think?

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Old Jun 16, 2009 | 05:35 PM
  #21  
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It will not run good track times at all IMO.

Very very tiny cam for a 383 (218/224), stock stall, questionable heads, and low compression(why rebuild with the stock compression? They are already 10:4 from the factory!). You need more compression and a bigger cam for a 383...that is barely bigger then a stock cam.

I guess it is a start, and will pick up a LOT with a bigger cam and a stall converter, but for now it won't run any quicker then a stock shortblock with a good H/C package.
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Old Jun 16, 2009 | 08:09 PM
  #22  
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non lt1 cam?
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Old Jun 17, 2009 | 06:10 AM
  #23  
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Originally Posted by ghstfacekilr
non lt1 cam?
You have a '96 Trans Am with a vented opti. You need the longer dowel pin in the cam.
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Old Jun 17, 2009 | 06:38 AM
  #24  
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He may be able to pull that dowel out to the needed length.....the 847 cam I bought came with the late lt1 dowel and I was able to gentley tap it in to work with my L98 based motor......
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Old Jun 17, 2009 | 09:25 AM
  #25  
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big heads, small cam, low compression

sounds expensive

I have over 12:1 SCR in my daily driver in the florida heat with 93
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Old Jun 17, 2009 | 05:32 PM
  #26  
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idk i was told that i needed a low compression to run spray which i will be running. so with low compression how exactly is that affecting the performance? i just dont want a stall put in it. i really want a very drivable car not one that lopin everytime i pull up to a street sign. lol
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Old Jun 17, 2009 | 06:07 PM
  #27  
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Originally Posted by ghstfacekilr
idk i was told that i needed a low compression to run spray which i will be running. so with low compression how exactly is that affecting the performance? i just dont want a stall put in it. i really want a very drivable car not one that lopin everytime i pull up to a street sign. lol
Sounds like you are building your entire set up upon gross misinformation...

Build the motor with more compression, get a larger cam, get a stall and gears. You need to optimize your set up, not throw parts together. Definitely stop listening to whoever it is that you are getting your prior information/knowledge from.
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Old Jun 17, 2009 | 06:28 PM
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I agree that whoever is helping you may be mechanically inclined but they are clearly not familiar with LT1s.

Nitrous LOVES compression, LT1s are reverse cooled and are streetable with high compression, and most importantly IMO a cammed auto absolutely, positively NEEDS a stall to perform. It is not an option, a stock stalled auto will be a dog.

You can cut half a second off your time with the proper stall - no single mod besides nitrous comes close to that much bang for buck.
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Old Jun 17, 2009 | 06:48 PM
  #29  
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Originally Posted by Puck
I agree that whoever is helping you may be mechanically inclined but they are clearly not familiar with LT1s.

Nitrous LOVES compression, LT1s are reverse cooled and are streetable with high compression, and most importantly IMO a cammed auto absolutely, positively NEEDS a stall to perform. It is not an option, a stock stalled auto will be a dog.

You can cut half a second off your time with the proper stall - no single mod besides nitrous comes close to that much bang for buck.
My rear end looks like yours now.
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Old Jun 17, 2009 | 10:09 PM
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Originally Posted by joelster
You have a '96 Trans Am with a vented opti. You need the longer dowel pin in the cam.
How does that make it a "non-LT1" cam?
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Old Jun 17, 2009 | 10:16 PM
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stalls don't make cars unstreetable, also don't let anyone tell you that anything over a 2xxx stall is totally unstreetable. many incompetent builders out there will say "oh no big stalls are bad and make cars undrivable blah blah blah" hence why many misinformed people have BS B&M holeshoot convertors rated around 22-2600rpm. I DD a 3000 stall and actually wish it was bigger.
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Old Jun 17, 2009 | 10:55 PM
  #32  
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Originally Posted by ss.slp.ls1
My rear end looks like yours now.
If it is a 10 bolt as well I feel bad for it

Originally Posted by myltwon
stalls don't make cars unstreetable, also don't let anyone tell you that anything over a 2xxx stall is totally unstreetable. many incompetent builders out there will say "oh no big stalls are bad and make cars undrivable blah blah blah" hence why many misinformed people have BS B&M holeshoot convertors rated around 22-2600rpm. I DD a 3000 stall and actually wish it was bigger.
This is more left over information from the old SBC days of horrible restalled 12" stall converters. Back then even a mild 2200 stall felt loose, was extremely ineffecient on the top end, and put out loads of heat.
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Old Jun 18, 2009 | 12:38 AM
  #33  
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Originally Posted by Puck
If it is a 10 bolt as well I feel bad for it
Yup, stock 10-bolt f.t.w!
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Old Jun 18, 2009 | 05:58 AM
  #34  
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Originally Posted by SS RRR
How does that make it a "non-LT1" cam?
He posted the part number. It is for a standard small block chevy. It will need some modification to get it to work. It is not a direct bolt on.
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Old Jun 18, 2009 | 09:33 AM
  #35  
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yeah it come with the pin. alll right so the verdict is......keep the head get a stall and a bigger cam?
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Old Jun 18, 2009 | 11:32 AM
  #36  
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Originally Posted by ghstfacekilr
yeah it come with the pin. alll right so the verdict is......keep the head get a stall and a bigger cam?
Yup. Read the stickies in the Automatic Transmission subforum to get more familiar with stalls.

I'd go with a bigger cam. I'd get one custom made for your set up, and n2o usage plans.

Get some 3.73 gears as well.
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Old Jun 19, 2009 | 12:35 PM
  #37  
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but i wouldnt have to change my heads or crank or ne thing right? i am gonna run my car and see what i get first. Mayb itl run like a scalded dog lol.
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