Headers and exhaust sizing

Yan88gt · 08-26-2001, 06:28 PM

I've got 88gt with speed density. I've got stock ported heads and intake, stock cam,1.7 rr, 1 1/2 mac equal lenght headers and 2 1/4 off road exhaust. Do you think my exhaust is to small? A guy at the track told me that it was perfect for my combo because i cannot do any other airflow mods (speed density). Actualy i'm running 13.05 at 104 mph and i'm sure that i could be faster with 3.73 gear and more practice with slick.

93CobraR · 08-26-2001, 07:01 PM

I think that you have the perfect set up for your mods as far as exhaust goes.

------------------
87 GT, Cobra R's,GT-40 heads,Crane 2031,1.7's, Edelbrock intake, long tubes,BBK cold air, Mass air,pulleys,Pro 5.0, King Cobra,Lakewood Lift Bars,50/50's,subframes, 4.10's.
Best time 12.759
Best MPH 106.79
Best 60' 1.695

Visit my site at:
http://www.geocities.com/cobrar93_2000/MyPage.html

08-26-2001, 06:28 PM	#1
Yan88gt Registered Member Join Date: Jun 2001 Location: Quebec canada Posts: 92	Headers and exhaust sizing I've got 88gt with speed density. I've got stock ported heads and intake, stock cam,1.7 rr, 1 1/2 mac equal lenght headers and 2 1/4 off road exhaust. Do you think my exhaust is to small? A guy at the track told me that it was perfect for my combo because i cannot do any other airflow mods (speed density). Actualy i'm running 13.05 at 104 mph and i'm sure that i could be faster with 3.73 gear and more practice with slick.

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08-26-2001, 07:01 PM	#2
93CobraR Registered Member Join Date: Oct 1999 Location: Cincinnati, Ohio Posts: 1,575	I think that you have the perfect set up for your mods as far as exhaust goes. ------------------ 87 GT, Cobra R's,GT-40 heads,Crane 2031,1.7's, Edelbrock intake, long tubes,BBK cold air, Mass air,pulleys,Pro 5.0, King Cobra,Lakewood Lift Bars,50/50's,subframes, 4.10's. Best time 12.759 Best MPH 106.79 Best 60' 1.695 Visit my site at: http://www.geocities.com/cobrar93_2000/MyPage.html