Drag Racing Tech - 27inch tire,411 gear,a4,will this work?




SPRAYED 01
09-18-2006, 05:20 PM
Im converting to an a4 with 4000stall. Will a 27inch tire work for low10s at about 128-130mph. Is there any kind of mods to the rear fender for the 27s?


SPRAYED 01
09-18-2006, 10:01 PM
Anyone???

WARDLAW `02 Z
09-19-2006, 06:31 AM
Not sure how the combo will work on the hose. I ran a 4400 stall w/4.11's and a 27" Hoosier QTP. It was just a H/C car and was good for 11.30's @ 118 Didn't have to cut anything to get the 27's to fit, just message the inner fenders a little. Adj. PHR and LCA's will help tuck 'em in.


Pro Stock John
09-19-2006, 09:31 AM
I think the 27's will fit without needing any clearancing. As an example I ran 28x9x15 ET Drags on 15x8's back in 2000 and they did not require any bodywork.

But you'll have to see if the rpms get a little high. I'd just spray 150 and see what happens, maybe have the spray shut off at 6600 rpms?

JL ws-6
09-19-2006, 11:20 AM
27x11.5 qtp fits without any clearancing at all, I've sen a few people put htem on, myself included without any mod's for clearance at all.

I have a 5000 converter and a th400 with 4.10 gearing, with the 27 inch tire, I think it should be o.k. to about 10.30@130 if I spin the motor to about 7000, anymore then that and I'm gonna need a gear change/tire height increase, at least that's what it figured to when I was doing the calculations.

AL SS590 M6
09-20-2006, 07:33 AM
I'm running 27" QTPs with 4.10s and a Yank PT4000. I run 11.2x @ 119+ and I'm going thru the traps at 64-6500. No way could I trap 130 mph without a taller tire or less gear.

JL ws-6
09-20-2006, 08:33 AM
I'm running a 5000 converter and 130 won't be a problem.. all depends on converter slip. Of course if you want to keep the rpm's in the 6500 range you'll need a change, but refigure it if you spin to 7000 at the end of the track, 130 is alot closer then you think.

AL SS590 M6
09-24-2006, 07:03 AM
I'm running a 5000 converter and 130 won't be a problem.. all depends on converter slip. Of course if you want to keep the rpm's in the 6500 range you'll need a change, but refigure it if you spin to 7000 at the end of the track, 130 is alot closer then you think.

I'm not spinning my stock bottom end to 7000rpm.

JL ws-6
09-24-2006, 09:38 AM
smokin01ta has been spinning his well past that point, maybe he will chime in on this

TwoFast4Lv
09-24-2006, 10:18 AM
They fit fine. I am trapping 135+ and going through the traps at 7,000+ with 3.73s ;)

Packy
09-24-2006, 10:31 AM
27x11.5x15 qtp's fit my car just fine. I had to massage the inner fenders slightly but not a whole lot. I usually run mid to low 11's at 125 or so with a stock t-56 and 3.73's. I still have plenty of rpms left though. Soon when I crank up the boost though I am sure I will be pushing around 6600 through the traps.