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#1 |
Registered Member
Join Date: Mar 1999
Location: Canada
Posts: 66
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![]() I took my 91 GT out to the track last night for the first time with it's new N/A 331 and ran a 12.87@106, 13.00@106, 13.00@106, and finally a 12.85@106. Adjusted altitude was almost 3500ft last night. My 12.87 run was a 1.91 60ft but my 12.85 run was a 1.82 60ft, what gives??? I did hot lap the car when I ran the 12.85 but could the engines heat kill the power that much???? I would have though gaining a tenth out of the hole should be worth way more than that in the 1/4, even if I did back to back runs. What gives, is running hot (my temp gauge was just over the 1/2 mark) that bad??? Could it be my new 27" ET street's are killing power somewhere??? Or do i need more than 3.55's???
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#2 |
Import Slayer
Join Date: May 1999
Posts: 2,241
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![]() We need a few questions answered first.
Is this a stick or automatic car? What are your rpms through the traps? Also, get rid of that factory temp. gauge and buy a mechanical gauge so that you know your actual engine temp.
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'82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator. |
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#3 |
Rat Killer
Join Date: Aug 2002
Location: Cold ass Ohio
Posts: 1,143
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![]() Yeah, what 82GT said.
Look at you MPH. Hmmmmmm..... 106 straight across the board. That tells me you were making "consistant horsepower", so I doubt the heat is what killed you. Actually, heat is GOOD in an engine. I don't MOVE my car unless the temp gauge is at least at 160.
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d-Con Racing "Nothing fancy, just 347 inches of RAT POISON!" MICE need not apply..... ![]() |
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#4 |
Registered Member
Join Date: Mar 1999
Location: Canada
Posts: 66
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![]() It's a 5-speed car and i am just under 6000rpm at the traps. The dyno puts my peak at 5500 for HP
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#5 |
Import Slayer
Join Date: May 1999
Posts: 2,241
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![]() I would say the difference in E.T is in your shifting.
Normally, as a rule of thumb, that extra .10 in the 60' should have knocked about .2 off the E.T I think you should experiment with different shift points.
__________________
'82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator. |
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#6 |
Rat Killer
Join Date: Aug 2002
Location: Cold ass Ohio
Posts: 1,143
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![]() For shifting help, watch MY in car, or this one here:
http://www.madbeems.com/BPA%209.60%20in-car.wmv Note, "professional driver" in the specs. Pro or not, my man can row some gears!!!! Here's MY in car: Ridin' with The Jester
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d-Con Racing "Nothing fancy, just 347 inches of RAT POISON!" MICE need not apply..... ![]() |
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#7 |
Import Slayer
Join Date: May 1999
Posts: 2,241
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![]() I just watched that first video and all I can say is.......WOW!
However, I did noticed that whomever was driving in the second video was a little late on the shift points.(just an observation)
__________________
'82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator. |
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#8 | |
Certified Stang Nut
Join Date: Jul 2005
Location: Pompano Beach, Fla.
Posts: 7
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![]() Quote:
Are you in 3rd gear or 4th? With the 27 inchers I'm guessing 3rd. You need 4.10's.
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Born and raised in the Motor City |
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#9 |
Registered Member
Join Date: Mar 1999
Location: Canada
Posts: 66
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![]() I'm in 3rd gear when i hit the traps, I used to run the 26" et drags but the rpm's were really up there, and i did not want to loose the time shifting into 4th so I went to 27". I'm thinking maybe a shift light is my ticket????
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#10 | |
Registered Member
Join Date: Apr 2001
Location: Gallatin, Tn
Posts: 1,326
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![]() Quote:
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#11 |
Import Slayer
Join Date: May 1999
Posts: 2,241
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![]() Do you have an aftermarket shifter or are you still using the stock one? A shift light won't do much good if you don't have a decent shifter.
__________________
'82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator. |
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#12 |
Registered Member
Join Date: Mar 1999
Location: Canada
Posts: 66
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![]() I've got a B&M ripper shifter. My combo is a 331 with ported 6037 edelbrocks, typhoon upper and lower intake, 70mmt-body,.......etc. I think i can get 12.6's at 107mph with more practice and some tweaking, for reference there was a Camaro SS (LS-1) dialing 13.6's
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#13 | |
Rat Killer
Join Date: Aug 2002
Location: Cold ass Ohio
Posts: 1,143
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![]() Quote:
He was prolly just feeling out the motor, I say that cuz it was a really crappy launch too. I hear he's leaving at 6,200 now. You smart azz! LMAO Blaster, a shift light will help you out provided 2 things. You put it where you can see it, and you PAY ATTENTION to it. I'm thinking a little more seat time, and you'll be in bizness! Make sure your clutch is adjusted properly too, just a BIT too much slippage will really screw your ET.
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d-Con Racing "Nothing fancy, just 347 inches of RAT POISON!" MICE need not apply..... ![]() |
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#14 | |
Import Slayer
Join Date: May 1999
Posts: 2,241
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![]() Quote:
or try this: http://www.bgsoflex.com/shifter.html
__________________
'82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator. |
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