Finally 12’s well im finally in the 12 second club i ran a personal best of a 12.56@113mph with a 1.78 60’ time i was so happy. Car ran great on the new tires. Its a 97 ws6 lt1 heads and cam car made 410rwhp and it has a 9” rear end not bad for a lt1. I no theres more room to improve i had almost a full tank of gas and im going with skinnies next time. It is also a 6spd car very pleased tho. The new mickeys street R tire hooked cgreat |
Congrats! What were the track conditions like? |
It was very sticky and the humity was like 60% air temp was in the 60’s not sure about the da tho |
Gotcha. 410 rwhp on a old LT1 isn't too shabby. What heads and cam do you have? |
Factory heads with a ton of work and a comp cam ill have to find the specs on it |
That seems like a pretty low mph for that hp. For comparison my third gen trapped 121 with 407rwhp. But congrats on the time, you’ve got a lot more in it for sure with 410rwhp you can get into the 11’s. Also my lead sled gto at probably 3900lbs with me in it ran 12.10 @ 113. In crappy conditions like you ran. 1.73 60ft. The da was about 1200ft and the temp was over 90 and the humidity was at 43% |
I think i can get 11’s to barely but i think i can |
Originally Posted by one sweet ws6
(Post 19939174)
I think i can get 11’s to barely but i think i can |
Could b donno whats weird is last yr when i went i had different tires and they didnt hook i spun bad ran a 13.5 but still ran a 111mph. I was wondering how inwas a hole second faster but only 2mph faster |
Like mentioned above the trap speed is not matching 407 rwhp in a 3500 lb car. You're not way up in the mountains or something are you? |
Nope in ohio |
Gotcha. I'd expect more like 116-118 mph at that power and weight |
Im shifting around 6k its a stock bottem end so i dont wana rev to high. Im not power shifting either |
Where do you make peak power at? |
Originally Posted by one sweet ws6
(Post 19939793)
Im shifting around 6k its a stock bottem end so i dont wana rev to high. Im not power shifting either heres a video of my tach during a run. Notice what I shift at. Stock bottom end ls1 gto |
Peak torqe is around 4800 and peak hp is around 6500 |
Originally Posted by one sweet ws6
(Post 19939962)
Peak torqe is around 4800 and peak hp is around 6500 |
Ok ill give it antry next time |
Yep it's usually best to shift around 200-300 rpm after it peaks. Look at your dyno sheet and see where that is exactly. I'm thinking a little less than 6500 (more like 6200) but I can't say for sure since it's not my ride. Let us know how it works out. I think you'll be pleasantly surprised |
Ill look i keep the dyno sheet in the car wich is in the garage covered up next time i get it out ill look |
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