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fastest way to the 12s?

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Old Aug 8, 2005 | 09:54 AM
  #1  
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From: St. Louis
Car: 1991 camaro rs
Engine: 305
Transmission: 700r4
fastest way to the 12s?

what is it? fastest and cheapest way of getting my 91 rs into 12 second territory? its currently running a 305 tbi automatic and is stock down to the air cleaner


let me know the suspension(doesn't have to be cheap), motor(junkyard things i should look out for) and rear gears(or complete rear ends), also what torque convertor would be best for nitrous assisted car..looking into a 3000 stall but talk me out of it or into it... that would plant me deep into 12 second land cheaply


thanks in advance
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Old Aug 8, 2005 | 10:50 AM
  #2  
ede's Avatar
ede
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From: Jackson County
run it on a vertical track, and run down hill. 2nd best guess would be to lose weight
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Old Aug 8, 2005 | 11:38 AM
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From: Pitman, NJ
Car: '89 IROC-Z
Engine: Canfield 195 headed 358ci
Transmission: TH350, Art Carr 9.5"
Axle/Gears: 3.92 Dana 44
throw away the 305TBI and build a motor like mine.
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Old Aug 8, 2005 | 11:47 AM
  #4  
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From: St. Louis
Car: 1991 camaro rs
Engine: 305
Transmission: 700r4
Originally posted by ede
run it on a vertical track, and run down hill. 2nd best guess would be to lose weight
WOW thanks for the great response



88IROC350TPI whats the details on your motor
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Old Aug 8, 2005 | 11:38 PM
  #5  
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From: Tigard, Oregon
Car: '86 Berlinetta
Engine: 350
Transmission: 700R4
fast, cheap reliable... pick 2.




Buy a real big nitrous setup since you want to go fast, cheaply.
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Old Aug 9, 2005 | 01:16 AM
  #6  
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From: Valley of the Sun
Car: 82 Z28
Engine: Al LT1 headed LG4 305
Transmission: TH350
Axle/Gears: 3.73 posi with spacer
300 shot of nitrous.
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Old Aug 9, 2005 | 11:10 AM
  #7  
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From: Elgin, IL
Car: 1997 Corvette
Engine: LS1
Transmission: 4L60E
Axle/Gears: 2.73 IRS
Originally posted by ME Leigh
300 shot of nitrous.
lol...I was going to be the first to respond to this thread saying a 400 shot and praying she holds together long enough to get a run or two in but I figured I'd wait for someone to try and say something constructive first
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Old Aug 9, 2005 | 11:15 AM
  #8  
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From: Bloomingdale, IL , United States
Car: 1997 Z28
Engine: LS1
Transmission: T56
Axle/Gears: 3.42
Well, i think you have about 3 options.

1. Like they mentioned, 300-400 shot of the giggle juice.

2. Drive it off a cliff, although that may only net you a mid 13.

3. You could always buy a fast car and have it pull your camaro down the track.

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Old Aug 9, 2005 | 11:18 AM
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From: Elgin, IL
Car: 1997 Corvette
Engine: LS1
Transmission: 4L60E
Axle/Gears: 2.73 IRS
Damnit I was thiking of the cliff idea too Guess I should start posting these things quicker.

Actually, my way of getting into the 12s...

Put a good set of heads, a nice cam, and intake on your 305, and run it down the track twice...just enough to spin a bearing. Then drive it to someone's house 30 miles away, in the process spinning 2 more bearings.

That'll force you to build a better motor...like me.

4-bolt "010" block bored .030" over to 355ci. SpeedPro Forged L2256F pistons, mildly ported LT1 heads (modified to work with SBC), LT1 heads, XE268-14 cam, 10.5-11:1 compression, 1 3/4" SLP headers and full exhaust. And start dropping lots of weight.

Better net me at least mid 12s once tuned.
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Old Aug 9, 2005 | 11:20 AM
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From: Elgin, IL
Car: 1997 Corvette
Engine: LS1
Transmission: 4L60E
Axle/Gears: 2.73 IRS
But keep in mind with that kind of power, you're probably going to have to rebuild your transmission. I'm scared I'm going to grenade my stock auto if I put it back in with the new motor.
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Old Aug 9, 2005 | 11:22 AM
  #11  
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From: Bloomingdale, IL , United States
Car: 1997 Z28
Engine: LS1
Transmission: T56
Axle/Gears: 3.42
While there are quicker and more efficient ways than duron mentioned, i laugh out loud when i read that.


For real though, those heads, intake, exhaust, and cam all have to be thrown out if you even have a chance at hitting anywhere near 12's.
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Old Aug 9, 2005 | 11:25 AM
  #12  
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From: St. Louis
Car: 1991 camaro rs
Engine: 305
Transmission: 700r4
i have a trans that can handle pretty much anything...im going to go with heads, intake and cam and some 3.73s and see what that gets me....then comes the 200 shot and ill hope for 11s all with a little 305
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Old Aug 9, 2005 | 11:26 AM
  #13  
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From: St. Louis
Car: 1991 camaro rs
Engine: 305
Transmission: 700r4
Originally posted by DuronClocker
But keep in mind with that kind of power, you're probably going to have to rebuild your transmission. I'm scared I'm going to grenade my stock auto if I put it back in with the new motor.
you could buy mine and i could have money to go towards a 'fast' car


$550 for a 'built' 700r4 delivered within 100 miles of st louis...pm me if you are interested
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Old Aug 9, 2005 | 11:32 AM
  #14  
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From: Elgin, IL
Car: 1997 Corvette
Engine: LS1
Transmission: 4L60E
Axle/Gears: 2.73 IRS
Originally posted by jazzcat2001
i have a trans that can handle pretty much anything...im going to go with heads, intake and cam and some 3.73s and see what that gets me....then comes the 200 shot and ill hope for 11s all with a little 305
You're going to have a TON of tuning to do. I was going to try to be low 13s with an NA 305 and then low 12s or maybe eeking into the 11s with my 305 on spray, but I blew up my bottom end. Just make sure you don't rev it too high like I did. My car was actually a half second slower at the track (right before I spun the bearing) with the heads/cam/intake than it was with the stock heads, cam, and TPI injection.

With the right tuning though, that combo would have knocked a good second to second and a half off my times though (with a good torque converter as well of course).

Speaking of this trans you have for sale, I read about it in the for sale section...does that $550 include a torque converter at all?
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Old Aug 10, 2005 | 09:25 PM
  #15  
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Car: 1987 IROC-Z Camaro
Engine: 5.7 350 TPI - SLP Runners, AFPR, MSD Goodies
Transmission: 700R4 - Shift Kit, Corvette Servo
Axle/Gears: BW 9 bolt, 3.27s
Sell your 305 and buy a vette

or big block

or try for a realistic goal for that tbi like 14's
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Old Aug 10, 2005 | 10:44 PM
  #16  
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From: St. Louis
Car: 1991 camaro rs
Engine: 305
Transmission: 700r4
Originally posted by DuronClocker
You're going to have a TON of tuning to do. I was going to try to be low 13s with an NA 305 and then low 12s or maybe eeking into the 11s with my 305 on spray, but I blew up my bottom end. Just make sure you don't rev it too high like I did. My car was actually a half second slower at the track (right before I spun the bearing) with the heads/cam/intake than it was with the stock heads, cam, and TPI injection.

With the right tuning though, that combo would have knocked a good second to second and a half off my times though (with a good torque converter as well of course).

Speaking of this trans you have for sale, I read about it in the for sale section...does that $550 include a torque converter at all?
no convertor comes with it...


selling the 305 to buy a vette is an option as well the car is for sale if anyone is interested...i think im going back to mustangs..i was at least running 14s stock in those
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Old Aug 11, 2005 | 11:33 AM
  #17  
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From: Everett, WA
Car: 87' IROC
Engine: L98
Transmission: T56
Well no offense dude but why would you expect a TBI Camaro to be anywhere near a top dog mustang? If you wanted 14s stock you should have bought a 5.0 TPI 5 Speed or a 350 car. Those run 14s stock.

Why would you put all this money into a car you selling?
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Old Aug 11, 2005 | 11:41 AM
  #18  
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From: Ajax, ON
Car: 85Z28 87GTA 91GTA 98SS
Engine: SBC, LS-x
Transmission: T-5, 700-R4, T-56
Originally posted by 87350IROC
Well no offense dude but why would you expect a TBI Camaro to be anywhere near a top dog mustang? If you wanted 14s stock you should have bought a 5.0 TPI 5 Speed or a 350 car. Those run 14s stock.

Why would you put all this money into a car you selling?
Couldn't have said that better myself.
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Old Aug 11, 2005 | 10:20 PM
  #19  
jazzcat2001's Avatar
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From: St. Louis
Car: 1991 camaro rs
Engine: 305
Transmission: 700r4
Originally posted by 87350IROC
Well no offense dude but why would you expect a TBI Camaro to be anywhere near a top dog mustang? If you wanted 14s stock you should have bought a 5.0 TPI 5 Speed or a 350 car. Those run 14s stock.

Why would you put all this money into a car you selling?
i have maaaaaaaaybe 2000 wrapped up into this car including the original cost...i just bought a foxbody roller and will be using the camaro for daily driver duty for while i build the mustang...


i was just making the comment of 14s stock in the mustang...i had no idea what this turd was capable of and was pretty suprised when it ran what it did...
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Old Aug 12, 2005 | 12:56 AM
  #20  
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From: Ajax, ON
Car: 85Z28 87GTA 91GTA 98SS
Engine: SBC, LS-x
Transmission: T-5, 700-R4, T-56
Originally posted by jazzcat2001
i have maaaaaaaaybe 2000 wrapped up into this car including the original cost...i just bought a foxbody roller and will be using the camaro for daily driver duty for while i build the mustang...

i
You have it all wrong. Stangs should be beater cars if you must. Not the Camaro. Say 1802 hail of mary's before you post again.
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Old Aug 12, 2005 | 10:58 AM
  #21  
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From: E.B.F. TN
Car: Tree Huggers
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Re: fastest way to the 12s?

Originally posted by jazzcat2001
...fastest and cheapest way of getting my 91 rs into 12 second territory? ...
Lighten the hell out of it and get some nitrous. It's TBI. Now whether your engine lives for a lengthy time thereafter is the next question to ponder.

As for the Fox body, hell, I'm kinda looking for another again.
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Old Aug 13, 2005 | 10:14 AM
  #22  
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From: Adrian, Mi
Car: 1989 Camaro
Engine: 350 but it's torn down right now.
Transmission: 700r4
Axle/Gears: I'm working on it,lol.
You could always buy a stroker crank, rods and pistons to up your cubes to 334 inches and then check out the 3-oh-why story in chevy high performance for tips on using 350 heads on a 305. Match that with a cam in the 210-212 intake duration vicinity and a good intake and you'll be running in the twelves and stompin' on fords bad-boy, the cobra mustang, just like they were. Of course you'll have more torque, since they were using a 30 over 305 block with mostly stock parts in the bottom end...and they were in the 12's.
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