Where's the mph???
07-18-2005, 09:27 PM
#1
TECH Fanatic
Thread Starter
iTrader: (14)
Join Date: Sep 2003
Location: Tennessee
Posts: 1,311
Likes: 0
Received 0 Likes
on
0 Posts
Where's the mph??? Well I went to the track a few weeks ago to finally make a nitrous pass. All of this on an 1/8 mile track. It went a 7.60@91mph with a 1.75 60 on a 100 shot. This is with the Harlan window switch set from 2800-6000. I was kinda dissapointed in the mph and the et. I probably had around 950-1000 bottle psi. I know this is a touchy subject...but my plans for this weekend ae to up the jets to the 150's, make sure the bottle pressure gets to at least 1050, and spray through the shifts. As for the spraying through the shifts, I just plan on doing it once to see if that is where the mph and et are hiding. I am assuming the easiest way to get it to spray through the shifts would be to set the cutoff rpm on my window switch higher than the shift point, correct? I know the car has alot more in it than that. Now all of this was also in very hot and humid weather which would make a little difference. The car was only running 7.98-8.03na when it usually goes an easy 7.8x-7.92na. Anyway, let me know what you guys think about my plans..
07-25-2005, 09:48 AM
#5
TECH Addict
iTrader: (22)
Join Date: Sep 2004
Location: tennessee
Posts: 2,639
Likes: 0
Received 0 Likes
on
0 Posts
on the 150s i would expect mph to be atleast 96 mph through an auto and 100s should be 92-93 i would think anyways. spray her through the shifts on the 100 and 150 shot and hopefully all goes well.
07-25-2005, 10:12 AM
#6
IMO, 4mph in the 1/8th is good, or avergage, for a 100shot on a A4 car...with a window switch. It is not necessary to put a window switch on an A4. Take it off, get a button, push and hold from green to finish. With a 150 shot, you may see 1 full second and up to a 10mph gain in the 1/4.
07-25-2005, 07:40 PM
#7
TECH Fanatic
Thread Starter
iTrader: (14)
Join Date: Sep 2003
Location: Tennessee
Posts: 1,311
Likes: 0
Received 0 Likes
on
0 Posts
IMO, 4mph in the 1/8th is good, or avergage, for a 100shot on a A4 car...with a window switch. It is not necessary to put a window switch on an A4. Take it off, get a button, push and hold from green to finish. With a 150 shot, you may see 1 full second and up to a 10mph gain in the 1/4.