Why cant I break 100MPH?

**NautcaSprt6** · 10-09-2006, 11:35 AM

Well I just came back from the E-Town meet this past weekend and had a blast.
For some reason when I do the 1/4 mile runs I cannot break 100MPH.
I always get 99.60 or 99.40, always 99 something, but never 100MPH.
Meanwhile alot of other members broke the 100MPH some with mods and some without mods.

When I went to the meet back in April, I also couldnt get to 100MPH. Basically everytime I went to the track I could not get to 100MPH.
Is something wrong with my top end or something?
What can I do to achieve this other than adding mods, maybe adjusting something now.

I have a CAI, Exhaust, and Superchip, and everytime I raced I did a different Superchip setting.

Just so you guys know, a while back I made a thread about my exhaust letting out more air from one exhaust then the other and its still doing that and I do not know why.
When i look at my exhaust I see the air coming out of the left one and not the right one, but the right one lets out air, but almost nothing at all.

Can this have anything to do with my track times?

**formerice** · 10-09-2006, 03:18 PM

You didn't say your ETs, but 100 mph is good for a 4300 lb car on street tires. You say exhaust, but do you have headers and hi-flow cats? Synthetic oil? A shot of juice would make a big difference, but so would a cam and head swap. Go out and spank a few Mustangs and you'll feel a lot better.

**MikeEast** · 10-09-2006, 03:26 PM

Why cant I break 100MPH?

You need another 20-30 horsepower is all - torque is quick, horsepower is fast.
The very same reason I'm stuck at 98 mph and change. I got my 13 seond run in (13.999) and with good air I figure I can repeat that pretty regularly, but I lack just <that> much hp to break 100...just like you..

Like Formerice said - kick a few Mustang GT's around and it's all good...

Mike

**NautcaSprt6** · 10-09-2006, 03:45 PM

ye, but there were stock 300's that broke 100MPH.
I Did 13.86 at 99.40 and 13.86 at 99.60 or something like that.
Im gonna get my leak checked out this weekend and when I go back to the track on Nov 5, I will see what it does.

**PowerWagon896** · 10-09-2006, 03:59 PM

Do you have a TSTAT/fan mod?

Best bang for the buck there is.

**NautcaSprt6** · 10-09-2006, 04:42 PM

No i dont, but I saw BklynMag have the 180 T-stat which was a couple wires, but I have yet to look into on how to do it.
I forgot, but the 180 T-stat is the relay in the fuse box with a couple wires and a toggle switch right?

**Mr. Moe** · 10-09-2006, 05:23 PM

Originally Posted by nautcasprt6

No i dont, but I saw BklynMag have the 180 T-stat which was a couple wires, but I have yet to look into on how to do it.
I forgot, but the 180 T-stat is the relay in the fuse box with a couple wires and a toggle switch right?

The 180 tstat is a replacement Thermostat for your stock one.

You're thinking of the fan mod..

**FloridaRT** · 10-09-2006, 05:24 PM

I ran 118 MPH......................but that was with my 63' Plymouth with a Max Wedge 426 motor.........

Bob

**NautcaSprt6** · 10-09-2006, 05:44 PM

Originally Posted by FF2MOE

The 180 tstat is a replacement Thermostat for your stock one.

You're thinking of the fan mod..

Thats it, the Fan Mod.
The T-Stat goes in the hose right?
Where can I obtain that?

**Carfinish** · 10-09-2006, 06:17 PM

Bert here is the info on the stat mod... I would say follow the last link first

Alternate thermostats for the LX Hemis

and the procedure

6.1L thermostat swap *

and video

http://www.lxforums.com/board/showth...953#post372953

**PowerWagon896** · 10-09-2006, 08:31 PM

The 25-cent Fan Mod is effective and works great @ the track.

Heres the link to that.

25-cent Fan Mod

And here is the link to Jim Turners Fan Mod. I use the high end mod W/my own added dual fan control option W/ESP delete.

Got Fan Mod? Hot Weather is Coming!

**Allevon** · 10-09-2006, 08:36 PM

I got the t-stat and I broke 100mph Saturday. I pulled a 13.90.

It could be also aerodynamics or tire sizes. Has anyone chimed in on that side about it? I got the daytona wing and chin spoiler. Im think maybe that might have something to do with it.

Secondly what were your tire pressures?

**NautcaSprt6** · 10-09-2006, 08:38 PM

Originally Posted by Allevon

I got the t-stat and I broke 100mph Saturday. I pulled a 13.90.

It could be also aerodynamics or tire sizes. Has anyone chimed in on that side about it? I got the daytona wing and chin spoiler. Im think maybe that might have something to do with it.

Secondly what were your tire pressures?

Well with both my old contis and the new 20" I couldnt break it.
My tire pressure is about 30 PSI.