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-   -   15.25@90.5 (https://mustangforums.com/forum/5-0l-general-discussion/467565-15-25-90-5-a.html)

Slo5oh 07-25-2008 07:30 AM

15.25@90.5
 
I Took my car to atco last night for laughs. Wanted to see what it would run. Best of four runs; 15.25/92.3 mph./2.24 60.I figgure thats on par since the car is stock and that was my first time racing a manual. I did notice something wierd though, a shudder. The car has a remarkable shudder when i floor it but seems to disapear at 4k-4500 in second gear. I was thinking possably flywheel? Also when I shift there is a clunk noise that comes from the rear. U joints?

also, any of you fellas that have slow cars like me, do you go through the traps in third or quick shift into 4th? I went 15.25 when i shifted into 4th, but my mph was asmost 2 lower than when i sailed through in third, though that was a 15.45 run. Another factor was on the 15.25 run I had a 60 that was about a half a tenth quicker.

AdderMk2 07-25-2008 08:17 AM

RE: 15.25@90.5
 
when I had a stock drivetrain, I was faster through the traps in 3rd than 4th


mjr46 07-25-2008 08:55 AM

RE: 15.25@90.5
 

ORIGINAL: Slo5oh

I Took my car to atco last night for laughs. Wanted to see what it would run. Best of four runs; 15.25/92.3 mph./2.24 60.I figgure thats on par since the car is stock and that was my first time racing a manual. I did notice something wierd though, a shudder. The car has a remarkable shudder when i floor it but seems to disapear at 4k-4500 in second gear. I was thinking possably flywheel? Also when I shift there is a clunk noise that comes from the rear. U joints?

also, any of you fellas that have slow cars like me, do you go through the traps in third or quick shift into 4th? I went 15.25 when i shifted into 4th, but my mph was asmost 2 lower than when i sailed through in third, though that was a 15.45 run. Another factor was on the 15.25 run I had a 60 that was about a half a tenth quicker.
man that is one slo 5.0:D......as for the shudder....check your trans mount make sure it's not broken as well as the motor mounts..then check the u-joins at yoke end and at flange end for any play;)

93 LX FiveO 07-25-2008 09:20 AM

RE: 15.25@90.5
 
the shudder was probably from letting the clutch out too soon

my 5.0 has only ran 15's but i have excuses lol :eek:

projectresto83 07-25-2008 12:38 PM

RE: 15.25@90.5
 
At least your name fits for now

Slo5oh 07-25-2008 01:44 PM

RE: 15.25@90.5
 

ORIGINAL: mjr46


ORIGINAL: Slo5oh

I Took my car to atco last night for laughs. Wanted to see what it would run. Best of four runs; 15.25/92.3 mph./2.24 60.I figgure thats on par since the car is stock and that was my first time racing a manual. I did notice something wierd though, a shudder. The car has a remarkable shudder when i floor it but seems to disapear at 4k-4500 in second gear. I was thinking possably flywheel? Also when I shift there is a clunk noise that comes from the rear. U joints?

also, any of you fellas that have slow cars like me, do you go through the traps in third or quick shift into 4th? I went 15.25 when i shifted into 4th, but my mph was asmost 2 lower than when i sailed through in third, though that was a 15.45 run. Another factor was on the 15.25 run I had a 60 that was about a half a tenth quicker.
man that is one slo 5.0:D......as for the shudder....check your trans mount make sure it's not broken as well as the motor mounts..then check the u-joins at yoke end and at flange end for any play;)
:)I got the car to save gas, so Im happy. My mounts are all good considering I put new poly mounts in less than 2 weeks ago. I may not have tightened everything down all that well so Ill check that next week while Im replacing shocks and adding subframes. If the U joints have a propencity for creating the shudder Ill probably replace them because I have a clunking when I shift, that comes from the rear, so possibly kill all the problems with changing them out. Might just get an aluminumshaft while im at it eh?


Explosive 07-25-2008 01:58 PM

RE: 15.25@90.5
 
Get a supercharger [8D]

Gary H 07-25-2008 02:06 PM

RE: 15.25@90.5
 
Might take a look at the control arm bushings too. Poly mounts will transmit alot more vibration. Is the whole car shaking, or just the shifter?

Slo5oh 07-25-2008 02:46 PM

RE: 15.25@90.5
 

ORIGINAL: Gary H

Might take a look at the control arm bushings too. Poly mounts will transmit alot more vibration. Is the whole car shaking, or just the shifter?
Its just comming thrrough the drivetrain.

OneFine89Mustang 07-25-2008 06:28 PM

RE: 15.25@90.5
 
how is your 5.0 saving gas?...it is a v8 what did you drive before?


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