Care to analyze these 1/4 mile runs?

jaymac · Jul 21, 2005

I went back to the track last night after putting on the P's and intake.
I ran on my street tires, w/ full weight (hydraulic jack, spare, tools, etc.). The last times I have are w/o the heads and intake, and done w/o the extra weight.

Best E.T. timeslip:
60'... 2.10
1/4... 14.10
MPH... 97.26

Best MPH slip:
60'... 2.28
1/4... 14.38
MPH... 98.22

Best 60' : 2.0 (first run, w/ about 14.15)

My previous best, w/o the heads and intake, was about 14.57, w/ 2.36 60's, and less weight in the car.

What do you guys think?

90mustangGT · Jul 21, 2005

I think it should be faster considering your mods. Your 60's suck, I would work on that. Even with street tires on 18's you should be able to do a 2.0.

jaymac · Jul 21, 2005

I did get a 2.0
I def. need to test the limits of the street tires, but I did get a 2.0

90mustangGT · Jul 21, 2005

But you posted a 2.1 and a 2.2, which isn't horrible, but I just think you could do better. I know 18's are hard to hook though.

I would really look into a tune because you have a pretty impressive list of mods, but your MPH doesn't reflect it.

jaymac · Jul 21, 2005

90mustangGT said:
I would really look into a tune because you have a pretty impressive list of mods, but your MPH doesn't reflect it.

Yeah, i know, it's kinda frustrating. My worst 60' last night was 2.29, so I def. need practice, but in my defense, I was trying to listen and feel for the tires breaking loose, and I got paired up against some loud-ass cars, so I went too timid. So the problem was not spinning, it was not hitting it as hard as I could.
I really want DR's, but then that's more $$, comined w/ more $$ to buy a helmet when I knock off .02 seconds!

Dark Knight · Jul 21, 2005

what altitude are you at? and what was your MPH before?

slo65 · Jul 21, 2005

after you get your tuning figured out, definitly get some tires, i wouldnt mess with nittos, i have a spare set of 10 holes with et street radials on them, i just put them on at work, and head to the track

jaymac · Jul 21, 2005

I found my first slip:
14.1 @ 98.11 w/ 2.0 60'
I don't know what the altitude is.
My MPH @ 14.5 was ~96

slo65 · Jul 21, 2005

just think of it as when u cut a 1.8 thats like a 13.8/13.9

jaymac · Jul 21, 2005

New update, though:
I had missing problems this afternoon, but hadn't noticed any yesterday or this morning. Come to find out that the #7 had melted through the boot (even through the heat sleeve). I'll post pics later, but it was apparently enough to be grounding out the plug. So I took a wire from a bronco we had replaced and put the 90* dizzy end on the plug, and the 45* plug end on the dizzy. Looks stupid, but works! I also put the heat sleeve back on # 7 wire.
I also had what sounded to me like either an exhaust leak or valves tapping or lifters. Turns out a #1 header bolt had walked itself out and disappeared (incidentally enough the side the someone ELSE tightened )
So I bought new header bolts and tightened all the other loose ones down, and VOILA! No more ticking.
Anyway, after working all those things out, does anyone think that any of those little things could've had ANY bearing on my 1/4 times and speed?
Grabbing for straws, sure, but hey- can ya blame me??

VG30DE · Jul 21, 2005

Personally, I say good job. Your intake, TB, and heads are all still stock stuff, you have no power adder, heavy a$$ rims, and probably no chip or dyno tune.... seems like you're right where you should be or better....

90mustangGT · Jul 21, 2005

VG30DE said:
Personally, I say good job. Your intake, TB, and heads are all still stock stuff, you have no power adder, heavy a$$ rims, and probably no chip or dyno tune.... seems like you're right where you should be or better....

No actually he's got a TB, intake, and heads, from an explorer but still better than stock, plus the heads are ported.

Yes, those could have had a berring on the performance of the car.

jaymac · Jul 21, 2005

well. I guess I'll just have to keep an eye on 'em and try again next week!
I'm also gonna pull all the junk out of my trunk!

mondos90lx · Jul 21, 2005

you go to epping right?
my best was a 14.001 with just ecam, cobra intake and tb, still havnt run it yet with all the stuff ive added to it, waiting to get it back from paint

VG30DE · Jul 21, 2005

90mustangGT said:
actually he's got a TB, intake, and heads, from an explorer

Yes, those could have had a berring on the performance of the car.

Right, stock stuff. Heads = stock late explorer 5.0. The P heads actually use the same size valves as E7 heads. They arent the biggest power gain. Cobra and early explorer heads have larger valves. As well as Ford Racing GT40 cast and GT40X aluminum heads. Porting of stock heads = marginal gains. TB + plenum = stock explorer. Sorry if I'm down talking your setup, I think its a great low budget street setup and the car must be a blast to drive, and you're running right where you should be so it runs nice and strong. Good work.

jaymac · Jul 21, 2005

so the only things from your sig that were on that run were the intake and cam?
No suspension, gears, etc.?

VG30DE · Jul 21, 2005

His shifter also moves from side to side in addition to the front to back. With near stock power levels, thats usually good for a tenth or 2

jaymac · Jul 21, 2005

VG30DE said:
Sorry if I'm down talking your setup, I think its a great low budget street setup and the car must be a blast to drive, and you're running right where you should be so it runs nice and strong. Good work.

No, no offense taken at all. That's exactly what it is - a nice low budget build
W/ speed density, I can do a VERY mild cam (I have 2 pn's), and/ or a 5-6 lb. blower before needing mass air. i could of course do better heads and intake, but that's all in good time. For the price of my gears installed, I picked up half a second and a few MPH. Stripping some weight, I hope to break 13's and get kicked off the track for not having a helmet. Then I'll be happy

jaymac · Jul 21, 2005

VG30DE said:
His shifter also moves from side to side in adittion to the front to back. With near stock power levels, thats usually good for a tenth or 2

My thoughts exactly

mondos90lx · Jul 21, 2005

all i had was the e-cam cobra intake 65mm throttle body 2:73 gears high flow hpipe (with cats) old flows and a hurst shifter on a dying t-5, and yea i ran a 14.001

maybe it was the strip, what side of the track were u on? the left side sucks, i like the right side better

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