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Time isnt what expected

This is a discussion on Time isnt what expected within the Drag Racing forums, part of the Racing Forums category; I just went to the track today. i have a cam, 3500 stall, 3.73 gears, nittos, and all the supporting ...

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    Member stephen02ws6's Avatar
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    2002 Trans Am WS6

    Time isnt what expected

    I just went to the track today. i have a cam, 3500 stall, 3.73 gears, nittos, and all the supporting mods for them. my 60ft times were 1.768, 1.817, 1.735, 1.791, and 1.839. my 1/8 mile times were 8.065@85.97, 8.110@85.63, 8.039@85.24, 8.064@86.36, and 8.154@85.64. my 1/4 mile times were 12.615@107.95, 12.676@107.87, 12.634@107.39, 12.581@109.37, and 12.719@108.06. all the times are listed in order. the car hooked great most of the time from a 2000 launch. what do you think is the reason i ran those because ive heard from multiple people that it should run 11s or low 12s? it was a cool day about 60ish out.

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    Slowass SUX!!
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    09 Sierra Denali AWD
    2001 T/A WS6 NBM

    Quote Originally Posted by stephen02ws6 View Post
    I just went to the track today. i have a cam, 3500 stall, 3.73 gears, nittos, and all the supporting mods for them. my 60ft times were 1.768, 1.817, 1.735, 1.791, and 1.839. my 1/8 mile times were 8.065@85.97, 8.110@85.63, 8.039@85.24, 8.064@86.36, and 8.154@85.64. my 1/4 mile times were 12.615@107.95, 12.676@107.87, 12.634@107.39, 12.581@109.37, and 12.719@108.06. all the times are listed in order. the car hooked great most of the time from a 2000 launch. what do you think is the reason i ran those because ive heard from multiple people that it should run 11s or low 12s? it was a cool day about 60ish out.
    what are the cam specs? i think you are right where you should be

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    Member stephen02ws6's Avatar
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    red with black stripes
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    the cam is 228/232 588/574 114 LSA. it made 360 on the dyno before i put on my Crane gold race rockers.

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    IDK for 360whp I think you are right about where you should be. I would think you'd need closer to 400hp to see those other numbers.

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    Moderator Firebirdjones's Avatar
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    Thats a monster cam compared to the baby cam in my wifes car,,,,210/218 and .551/.551 on a 112 lsa. It traps 110 mph bouncing the rev limiter in 3rd gear. Just headers,,didn't even have an intake on it. I've never dyno'd the car, just a street tune by me. But I don't think it would make 360 at the wheels like you did,,,I could be wrong though.

    Your 60 foot times are right on par with your mph and ET. 107-108 mph will get you in the 12.5-12.60 range no problem.
    What I don't understand is why??? I would think your car should mph a little better, since there are plenty of cam only cars in the 11's easily,,,even on the smallish and very popular 224 at .050 cam.
    Might have something going on. I would personally go log the car and see whats up and go from there. Knock pulling timing??? Fuel pressure????
    If the tune is good and nothing wrong with the car,,,then the DA must of been up in the clouds that day???

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    Member stephen02ws6's Avatar
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    i think it might hit 12.4. we are going back sunday. the first three runs the PCV hose was off the intake and i didnt know it so it was running lean with CEL on. we cleared the code with a scanner and fixed the hose. the next run i spun off the line and ran the 12.5. i think if i hook i might get 12.4. i keep getting a code saying shift solenoid b stuck on. i never got it before i got it tuned for the cam. do you think the tune could be causing this and the low(or high) times?

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    79 T/A -91 Firebird
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    What was the DA at the track that day?

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    Member stephen02ws6's Avatar
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    Quote Originally Posted by JoshieDoom View Post
    What was the DA at the track that day?
    i dont know. it was about low or mid 60s.

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    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by stephen02ws6 View Post
    i think it might hit 12.4. we are going back sunday. the first three runs the PCV hose was off the intake and i didnt know it so it was running lean with CEL on. we cleared the code with a scanner and fixed the hose. the next run i spun off the line and ran the 12.5. i think if i hook i might get 12.4. i keep getting a code saying shift solenoid b stuck on. i never got it before i got it tuned for the cam. do you think the tune could be causing this and the low(or high) times?
    Man it's hard to say. If you have any questions at all about the tune then I would definately get that thing back to a tuner, or dyno tune,,,something of that nature. At the very least if you have scanning software I would go for a spin and make sure everything is happy.
    With so many variables I can only sit here and guess. Just process of elimination.

    If track conditions were good and the DA wasn't horrible,,,then I'd start with the easy stuff like scanning the car, check for knock, hook up a fuel pressure gauge and make sure proper pressure is being maintained at WOT.
    From there if all looks good you might want to consider a good tuner, ask around.
    Frost here does mail order tunes and is excellent. Not sure if he would do one with a cam unless the car itself was in his hands,,,but it's worth asking. He helped me quite a bit to understand some things in HPtuner and got my MAF tables on track. Others are very happy with his tunes as well.

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    Just a souped up sunfire. Ryans99LS1's Avatar
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    haha id be so happy with your times but im only bolt on's. same traps but i cant get out of the hole for the life of me. 2.0 is the best ive cut as a 6spd and ive only powershifted it once, which made a decent difference. Id say your times are right on for the power your making.

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    Impounded
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    Quote Originally Posted by stephen02ws6 View Post
    i dont know. it was about low or mid 60s.
    http://www.dragtimes.com/da-density-...calculator.php


    Find out

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    it says 732 for the first couple, 867 for he 12.5 run, and 1043 for the last run. the times they had info for were close to or halfway to the times when i made a pass.

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    79 T/A -91 Firebird
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    Quote Originally Posted by stephen02ws6 View Post
    it says 732 for the first couple, 867 for he 12.5 run, and 1043 for the last run. the times they had info for were close to or halfway to the times when i made a pass.
    Thats pretty good... dam, I thought it could be a bad DA

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    Moderator Firebirdjones's Avatar
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    Well there is certainly nothing horrible about those DA readings.

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    Member stephen02ws6's Avatar
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    alright i got better times today. my 60ft. were 1.701 and 1.705. my 1/8 miles were 7.915@87.10 and 7.915@87.36. my 1/4 miles were 12.404@110.06 and 12.389@110.29. it was weird because the check engine light was on for the shift solenoid stuck on before we left. when i went to meet up with everyone before we left i shifted manually a little just to see if it shifts harder(it does). i cleared the codes before we headed up there. when i made the passes it seems like it shifted different. do you think i freed something in the trans shifting it manually and do you think the tune might still be holding me back some?

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    Member stephen02ws6's Avatar
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    i believe the tune is the problem. they didnt change anything on the trans tables during the tune. they said there isnt a tune for the stall.

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    pewter
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    Thats about right... not sure what your car weighs. But my 346 with 228 cam 3000 stall and 3.36 gears ran 1.7 to 1.8 60ft with 12.3-12.2 at 110-112mph and my cars weighed 3150.

    Thats my old setup.

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    Member stephen02ws6's Avatar
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    Quote Originally Posted by holley505 View Post
    Thats about right... not sure what your car weighs. But my 346 with 228 cam 3000 stall and 3.36 gears ran 1.7 to 1.8 60ft with 12.3-12.2 at 110-112mph and my cars weighed 3150.

    Thats my old setup.
    i got a 3500 stall and 3.73 gears. im sure it wont make that much of a difference but still some.

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    Moderator Firebirdjones's Avatar
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    Quote Originally Posted by stephen02ws6 View Post
    i believe the tune is the problem. they didnt change anything on the trans tables during the tune. they said there isnt a tune for the stall.
    Hmmmm, that's strange. I found with my stall,,,just like many others on here,,,that after I installed it I had to desenstize the engine misfire tables because the loose converter tricks the computer into thinking the transmission is slipping,,,so it sets off the engine misfire code, and does all kinds of silly things to kill engine power like pull timing etc...

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    Member stephen02ws6's Avatar
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    red with black stripes
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    ya everyone says you have to tune for it but them. i am having speed inc look at it June 3rd.

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