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350 SBC vs lt1?

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Old Aug 17, 2006 | 05:51 PM
  #1  
Denial's Avatar
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From: York
Car: 84' z28
Engine: Built 350 SB 4 Bolt, Bored .30 Over
Transmission: 700r4
Axle/Gears: 3.42
350 SBC vs lt1?

I have a buddy around here with a 94 z28 that has an lt1 slightly modded in it, hes been asking for a race but im to afraid to lose so i keep stalling, so i thought id ask yous who might win.
I have an 84 z28, built 350 with speed pro everything, lifters, rods, pistons, etc, its bored .30 over and i have the headers, catback all that small essential stuff done already, 750 holley double pumper, HEI distributor and coil, etc... Its never been on a dyno yet but just takeing a wild guess with the info provided, who might win givin the drivers are both to the same ability.
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Old Aug 17, 2006 | 05:53 PM
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demetri's Avatar
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From: Fort Myers, Florida
id place my bets on the 94 z28
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Old Aug 17, 2006 | 05:54 PM
  #3  
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
What are the specs of the heads and cam in your motor. Without those details you could be making 150hp or 450hp.
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Old Aug 17, 2006 | 06:12 PM
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From: North Carolina!
Car: 87 IROC
Engine: 406 sbc with Trick Flow heads, Hook
Transmission: Pro built 700R4
Axle/Gears: waiting on a new rear!!!!
There is no way to tell what kind of power you have without knowing the intake design, cam specs, heads, and compression ratio.

By the way your B&M shifter has the long shifter handle for a truck not the short one that comes for thirdgens. I have a brand new short handle still in package if your interested.
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Old Aug 17, 2006 | 06:23 PM
  #5  
Denial's Avatar
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From: York
Car: 84' z28
Engine: Built 350 SB 4 Bolt, Bored .30 Over
Transmission: 700r4
Axle/Gears: 3.42
Ill have to dig up the specs on the cam and heads here shortly.
As for the shifter, i want it that way, i dont like the short ones "for 3rd gens" even though their only about half an inch shorter...
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Old Aug 17, 2006 | 06:39 PM
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From: North Carolina!
Car: 87 IROC
Engine: 406 sbc with Trick Flow heads, Hook
Transmission: Pro built 700R4
Axle/Gears: waiting on a new rear!!!!
Did you have one on your car already? Because I had the long on mine and the shorter one felt better the long one just felt weird.
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Old Aug 17, 2006 | 09:11 PM
  #7  
Denial's Avatar
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From: York
Car: 84' z28
Engine: Built 350 SB 4 Bolt, Bored .30 Over
Transmission: 700r4
Axle/Gears: 3.42
Yea, i had the short one on, i bought the kit i still have it laying around here somewhere.. i have longer then normal arms i guess, it felt like i had to reach for it, the longer one just sits right where my arm would be positioned normaly, i like it
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Old Aug 17, 2006 | 09:20 PM
  #8  
freestylzz's Avatar
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From: Toronto CANADA - GM Parts Rep.
Car: 1987 Iroc Z28
Engine: The KING of the 3rd gen TPI's.
Transmission: Beefed up T5
Axle/Gears: Aussie 3.45's
I've seen some pretty lazy LT1's.

Unless your running stock, what the h*ll is there to be afraid of?!
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Old Aug 20, 2006 | 06:12 AM
  #9  
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From: Atlanta, GA, US of A
Car: 94 Z28
Engine: LT1 w/ headers, catback, CAI, tune
Transmission: 4L60E
Axle/Gears: 3.23s
LT1s aren't that special, if you have decent heads and a halfway decent aftermarket cam w/ the supporting mods like headers/catback, etc you can take one. They only make around 250 rwhp stock, or around 300 hp at the crank. Other than the reverse flow cooling and a decent factory EFI setup they're just a SBC anyway. Heads are decent but nothing special stock, stock cam is fairly mild. You can easily match or beat the LT1s power output w/ an average decently setup carbed 350 w/ mild supporting mods.

Last edited by Ray87Z; Aug 20, 2006 at 06:19 AM.
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Old Aug 20, 2006 | 08:28 AM
  #10  
fly89gta's Avatar
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From: Mays Landing NJ
Car: 2018 Camaro SS
Engine: LT1 w/Paxton 1500SL
Originally Posted by freestylzz
I've seen some pretty lazy LT1's.

Unless your running stock, what the h*ll is there to be afraid of?!
A good running LT1 fbody is low 14's and can squeek into the 13's all day long with a decent driver.

Just because he has a "350" doesn't mean a damn thing.
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