mild third gen,v.s, mild forth gen
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Junior Member
Joined: Sep 2010
Posts: 15
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From: south jersey
Car: 85 trans am
Engine: 305
Transmission: 700r4
mild third gen,v.s, mild forth gen
So i wanted you guys opinion on my situation. Heres the deal,i have a 85 trans am with mild upgrades, the challenger has a fourth gen I think its a 2000, he also has mild upgrades. Now im not dumb i know hes got a beter motor but im a much beter driver. So Im still not sure if i should race him or not. Any opinions
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Joined: Feb 2010
Posts: 1,446
Likes: 2
From: Orlando
Car: 1991 Camaro Z28
Engine: 357, Canfield heads, solid roller,
Transmission: Upgraded 03 Cobra T56
Axle/Gears: 9" 3.50 gears and Detroit Locker
Re: mild third gen,v.s, mild forth gen
Is the 2000 a LS1 car? If so, doesnt matter how good of a driver you are, that doesnt make the car faster. You will loose.
Thread Starter
Junior Member
Joined: Sep 2010
Posts: 15
Likes: 0
From: south jersey
Car: 85 trans am
Engine: 305
Transmission: 700r4
Re: mild third gen,v.s, mild forth gen
yea its an ls1. I know hes faster but i was wondering if since its a heads up 1/4 mile race if me have a beter reaction time makes a deference but idk if it will make that much of a deference
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Joined: Aug 2007
Posts: 1,341
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From: Southern Wisconsin
Car: 1988 Camaro
Engine: 383 Stroker
Transmission: Probuilt 700 R4
Axle/Gears: 3.73
Re: mild third gen,v.s, mild forth gen
If he gives you a 3-4 second head start it may be close in the end. But I think hands down you will lose. my
Supreme Member
Joined: Feb 2010
Posts: 1,446
Likes: 2
From: Orlando
Car: 1991 Camaro Z28
Engine: 357, Canfield heads, solid roller,
Transmission: Upgraded 03 Cobra T56
Axle/Gears: 9" 3.50 gears and Detroit Locker
Re: mild third gen,v.s, mild forth gen
If I were doing a motor swap and starting from scratch, I'd go LSx. I wish I would have when I built my car.
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Supreme Member
Joined: Feb 2010
Posts: 1,446
Likes: 2
From: Orlando
Car: 1991 Camaro Z28
Engine: 357, Canfield heads, solid roller,
Transmission: Upgraded 03 Cobra T56
Axle/Gears: 9" 3.50 gears and Detroit Locker
Re: mild third gen,v.s, mild forth gen
There is no set to price to them. You can swap parts around to make the motor you want. The nice thing about them is that you can get factory heads that flow very good. Better than even most aftermarket sbc heads. From most of the builds I've seen its also difficult to build one under 400 horse. Look at bluezee on this site. He's putting 420 to the wheels.
Joined: Sep 2003
Posts: 25,895
Likes: 429
From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: mild third gen,v.s, mild forth gen
I have a mild exhaust 99 TA with auto and 2.73 gears. When the TA was stock it killed my full bolt on L98 mph wise, but my L98 out ran it in the 1/4. Thats comparing full bolt on tuned L98 car on drag tires/skinnies with 2800 stall to a bone stock 99 LS1 car with highway gears and street tires 
With exhaust, headers and LS6 intake plus a tune, this car should still out run the L98 on street tires
Wait til I get slicks on it, it should be a mid lower 12 second car compared to my high 12 low 13 second L98.
You have a 305 correct? Aint a chance bud, sorry

With exhaust, headers and LS6 intake plus a tune, this car should still out run the L98 on street tires
Wait til I get slicks on it, it should be a mid lower 12 second car compared to my high 12 low 13 second L98.You have a 305 correct? Aint a chance bud, sorry
Thread Starter
Junior Member
Joined: Sep 2010
Posts: 15
Likes: 0
From: south jersey
Car: 85 trans am
Engine: 305
Transmission: 700r4
Re: mild third gen,v.s, mild forth gen
That sounds like a great project to start. O when i said price i ment just a basic short block.
Supreme Member
Joined: Feb 2010
Posts: 1,446
Likes: 2
From: Orlando
Car: 1991 Camaro Z28
Engine: 357, Canfield heads, solid roller,
Transmission: Upgraded 03 Cobra T56
Axle/Gears: 9" 3.50 gears and Detroit Locker
Re: mild third gen,v.s, mild forth gen
I'm still considering building a LSx in a year or two. I want to get this motor in the high 11's, then I want to build a NA 10 second motor. I'm going to start with a 6.0 litre iron block short block. From what I've read, there are people making close to 1000 horse power on stock block and crank. Then just add good rods and pistons and the short block is done. I would get the shortblock from a wrecked truck. Probably $1500 or so from a yard for the complete motor. Sell off what you dont need to offset the cost some.
Joined: Sep 2005
Posts: 6,258
Likes: 6
From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: mild third gen,v.s, mild forth gen
Like he mentioned above, my car put down 420rwhp and 407ft/lb and it's a cam-only 6.0L LSx block. I'm using a GM intake (LS6), GM heads that are not ported, with longtube headers and a dumped y pipe. It's nothing extravagant but it sure does scoot.
Thread Starter
Junior Member
Joined: Sep 2010
Posts: 15
Likes: 0
From: south jersey
Car: 85 trans am
Engine: 305
Transmission: 700r4
Re: mild third gen,v.s, mild forth gen
Thats some good numbers and a nice car bluezee. That all sounds beter then anything i could get out of my current 305 or one of the few 350s i have lying around. I dont know much about the lsx platform i guess i have alot of reading to do.
Joined: Sep 2005
Posts: 6,258
Likes: 6
From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: mild third gen,v.s, mild forth gen
There's a whole section on this website dedicated to LTx and LSx swaps. It's under the Engine Swap forum.
Supreme Member
Joined: Sep 2005
Posts: 1,818
Likes: 0
Car: ws6
Engine: ls1
Transmission: m6
Axle/Gears: 3.42
Re: mild third gen,v.s, mild forth gen
I hit 12.5 at 111 with my 98 ws6/m6 car. Only mods are Pacesetter Long tube headers, 3" Texas speed catted Y pipe w/ high flow cats, Hooker exhaust, and a Slp lid w/k&n filter. An ls1 in a third gen would more than likely run better times than me.



Last edited by 89IrocZ350TPI; Sep 10, 2010 at 07:04 PM.
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From: Mays Landing NJ
Car: 2018 Camaro SS
Engine: LT1 w/Paxton 1500SL
Re: mild third gen,v.s, mild forth gen
What are "mild" mods? 
Anyway, the only way you could win is if you hire some guy to slash his tires right before he launches...and even then you'll still lose lol

Anyway, the only way you could win is if you hire some guy to slash his tires right before he launches...and even then you'll still lose lol
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