car goes low 12's should be faster

snoboardcore · Oct 9, 2006

Hey guys runnin 12.3 @ 117 and 112. 60ft is 1.8, Any ways i dynod on a dyno jet at 473 rwhp. Anyways my set up is in my signiture. People are telling me i should be running low 11's to high 10's. Will putting 90/10's with eibach front drag springs and 50/50's with trick springs in the rear help me out any? Let me know what you guys think, I know its kind of a quick basic drag suspension but any input would be appreciated. Also i am running a stregthened factory 5 speed.

Modular2v · Oct 9, 2006

yeah you should be running mid to low 11s with that trap speed. Im in the same boat as you though, im running 11.40s with a 1.8 60ft time at 126mph! I think im going to try some shocks out

N8Miller · Oct 9, 2006

adding suspension work is gonan help, but even if you shave it down to a 1.6 60', thats still gonna leave you in the high 11s. i think that your missing about 3-5 MPH easy!

TC93 · Oct 9, 2006

How much the car weigh?? In my 86GT when I ran a powerdyne, I was trapping at 117-118 and was running 11.70's, with high 1.7 sixty foots.

snoboardcore · Oct 9, 2006

Myke86GT said:
How much the car weigh?? In my 86GT when I ran a powerdyne, I was trapping at 117-118 and was running 11.70's, with high 1.7 sixty foots.

its a full weight foxbody. with some crappy lowering springs and crappy struts. what did u have for suspension?

N8Miller · Oct 9, 2006

snoboardcore said:
its a full weight foxbody. with some crappy lowering springs and crappy struts. what did u have for suspension?

those lowering springs are hurting you. try to find a used set of eibach drag springs.

EMW150 · Oct 9, 2006

With that kind of rwhp you should be trapping alot higher. My combo's making 433 and trapping right around 125 mph. Car is around 3,100 lbs.

TC93 · Oct 9, 2006

snoboardcore said:
its a full weight foxbody. with some crappy lowering springs and crappy struts. what did u have for suspension?

I ran 4cyl fronts with Eiabach rear drags springs, and had 5 way adjustable Tokico's struts with stock rear shocks.. My GT had 3450# race weight.

brands5.0 · Oct 9, 2006

Was that on street tires if so. Run slicks or DR and lower your 60' and you'll be running 11's

snoboardcore · Oct 9, 2006

EMW150 said:
With that kind of rwhp you should be trapping alot higher. My combo's making 433 and trapping right around 125 mph. Car is around 3,100 lbs.

yea i dont no whats killing the mph so much im hoping that it is the suspension. also i was running on 26x10.5x15 mt et streets

GTOreturns · Oct 9, 2006

Yeah the suspension should be changed. Other then that it sounds like your driving! Are you getting alot of wheel spin?

snoboardcore · Oct 9, 2006

Not to much wheel spin coming out of the whole in first and there is deffinately no wheel spin in 2-4

EMW150 · Oct 10, 2006

I think maybe you need more gear. What rpms are you seeing when you cross?

GREYFOX4INCH · Oct 10, 2006

Modular2v said:
yeah you should be running mid to low 11s with that trap speed. Im in the same boat as you though, im running 11.40s with a 1.8 60ft time at 126mph! I think im going to try some shocks out

I ran 14.1 @97mph with a 1.8 60' time.
it would seem that your car has a ton of potential to go faster

GTOreturns · Oct 10, 2006

I ran a 13.8 @ 97mph with a 1.8 60ft Hmm, what r u shifting at?

bubba-dough · Oct 10, 2006

EMW150 said:
I think maybe you need more gear. What rpms are you seeing when you cross?

I was thinkin that also. Check your rpms at the line and your shift points. It may be time for a new gear......and ditch the lowering springs.

tmoss · Oct 10, 2006

can you post up your dyno curve?

snoboardcore · Oct 10, 2006

im shifting at 5800 where the car stopped making power on the dyno. im going through the traps around 4200 in 4th but i dont no what gear to put in maybe 3.90's?

GTOreturns · Oct 10, 2006

snoboardcore said:
im shifting at 5800 where the car stopped making power on the dyno. im going through the traps around 4200 in 4th but i dont no what gear to put in maybe 3.90's?

whats in the car now? its a 5spd rite?

Modular2v · Oct 10, 2006

GREYFOX4INCH said:
I ran 14.1 @97mph with a 1.8 60' time.
it would seem that your car has a ton of potential to go faster

i would think so. But i soon shall find out

car goes low 12's should be faster

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