Need tire advise

[QikNip]

Since you guys were so helpful with my earlier aero question, I'm back to pester you again - this time with a tire question.

First the car... It a G Classic Production 1979 Porsche 924 making roughly 200 RWHP (at sea level). The maximum speed this car will ever see is perhaps 160. My plan it to run Hoosier drag fronts on all four corners at Bonneville. The tread width of the fronts would nominally be 4" (on 3.5" rims) and the rears 5"wide (on 4.5" rims).

My questions are 1) Are these tires are allowed by SCTA and 2) Assuming they are, am I misguided to use them versus traditional salt tires? As always, I appreciate the input and wisdom.
Rick
P.S. For the Ohio Mile I plan to run Hoosier Drag Radials on the rear and the skinny drag fronts on the front end.

[Stainless1]

I know there are several cars running with Goodyear Front-runners on all 4 corners, well past 200. 
The current record is about 138, that is the speed your tires will be required to meet. 

with that said... I would check with the Tech Chair to ensure you choice is acceptable.  Supply them with the manufacturers data, and if you can, get Hoosier to give you a sustained speed number for the tires... in writing
 

[jacksoni]

As Stainless says....Check with tech for official answer.

I have run Goodyear (and Hoosier) front runners, 4 corners, both Wilmington and Bonneville and no one has said boo. 170mph in Firebird (G/GC). FWIW

[QikNip]

As Stainless says....Check with tech for official answer.

I have run Goodyear (and Hoosier) front runners, 4 corners, both Wilmington and Bonneville and no one has said boo. 170mph in Firebird (G/GC). FWIW

Thanks. When you ran dragster fronts (on the rear) at Wilmington how well did they work (and live)? My reason for thinking that I'd need drag slicks was based on an assumption that I'd need them for faster acceleration in the mile.
Rick

[jacksoni]

As Stainless says....Check with tech for official answer.

I have run Goodyear (and Hoosier) front runners, 4 corners, both Wilmington and Bonneville and no one has said boo. 170mph in Firebird (G/GC). FWIW

Thanks. When you ran dragster fronts (on the rear) at Wilmington how well did they work (and live)? My reason for thinking that I'd need drag slicks was based on an assumption that I'd need them for faster acceleration in the mile.
Rick

As I also run a small motor, designed for high rpms, not a lot of low end torque. Indeed they don't want you to spin the tires leaving the line as it sprays the crew and cars with grit etc. My rear is 4.33 with 3.28 first gear but still bit slow off the line. First time I ran this car at Wilmington had an open rear. I revved it a bit and slowly let out clutch (Quartermaster 2 disc- mostly an on-off switch-no slip). Car didn't move. I went "oh crap, clutch is bad". Slowly began to move and then rest of run OK> My crew in the truck behind said I disappeared in a cloud of smoke as one tire lit up.    Limited slip fixed that.

Anyway, though I am sure you will get differing opinions, and yes, it is a 1 mile drag race, what you do in the first few feet is not going to make much difference in the end. It is not a 7000rpm side step the clutch start. (normal drag starts are for the ET, HP mostly determines the MPH at the drag strip other things being equal. Same at Wilmington. HP. )  You ease into it, get car moving and then stand on it. With the narrow tires my car will spin them a bit on 1-2 and maybe 2-3 shifts when it is up on the torque curve. But only a little. I have several sizes of tires to change "gears" so didn't want to get other expensive tires just for Wilmington. Wouldn't run drag slicks at Bonneville anyway (not sure legal- though the streetable radials may be ok- I don't know)) and then you get into the whole narrow vs wide tire argument, about which you will find many varied and different opinions here and elsewhere.

I have yet to wear out a tire anywhere. Sometimes the sidewalls get a bit funky looking with cracks with age so out they go. I don't run my (very expensive) Mickey Thompson Bonneville tires (with very thin rubber on the "tread" ) at Wilmington. Salt only.

[QikNip]

Thanks Jack:
Sounds like I'll show up in April (assuming the motor's done!) with the Hoosier drag fronts on all four corners. If it's not done, I'll come and spectate!
Rick

[jacksoni]

I hope to be there as well (on wait list). Maroon Nissan 240sx 3522. Had to take a sawzall to firewall and band saw to motor mounts and valve cover to get engine in car this afternoon. Already  Look me up, happy to chat.