Stocker Slicks... Screws ? Tubes ?
 

Been a while, guys...

I'm just in the process of FINALLY reassembling my car...
using ALL the proper parts that I was told to use[:-whoo2-:]

I have a new set of 15 X 10 American Racing Trackstars, with new M/T stick compound 29.5 X 9's.
My previous experience showed me that my heavy car likes to have around 14-15 pounds in the tires ( that was a 9 tire on an 8 rim ).
I'm told that the slghtly wider wheel allows ( requires ) more tire pressure in order to keep it flat. The fringe benefit being less rolling resistance... better speed.
Ok.... I bought it[:-stong-:]

My questions are...
If I'm going to end up at 15-16 pounds,
Do I need screws ?
Can I run them tubeless ? ( they've been mounted, with 14 pounds in them for the past 3 months... never lost a pound ).



Aubrey

1962 Chevy Belair sport coupe 409HP 409 NHRA DIV 6 now C/Stock IHRA E/Stock #6409
1959 GMC 9380 1 Ton dually, 482 CID 409 / W 5th wheel car hauler

If you stay with tubes, you MUST run screws otherwise a little movement will rip the stem out. But I've seem most run without, which saves weight. The tire will move a bit, especially during the first few passes. I rotate them side-to-side, mainly for wear.

It seems most racers use 9" slicks on a 10" rim. But I've heard of pressures anywhere from 14 to 26 lbs with no pattern that I've noticed relative to weight. I ran 22lbs in bias ply tires and now 20 in radials weighing 3,530+.

Locomotion Racing
http://www.geocities.com/locomotionracing

Thanks Myron...
Guess I'll just keep an eye on them. Being able to run more pressure than I thought makes me happy too. I like the high speed stability.

Trying get the car ready for IHRA Rocky Mountain Nationals in Edmonton.

Aubrey

1962 Chevy Belair sport coupe 409HP 409 NHRA DIV 6 now C/Stock IHRA E/Stock #6409
1959 GMC 9380 1 Ton dually, 482 CID 409 / W 5th wheel car hauler

If you go without tubes on bias ply slicks. Coat the inside of the tire (sidewalls) with a household liquid dish soap before mounting. When you mount, clean the tire, and rim beads with brake clean, and don't lube the beads.
Or take the easy way (like I did) and run Hoosier radials. ;-)

Using screws is a personal preference, some do some don't, I have always used them. I drill & tap the rim for 1/4-20 cap screws that are sharpened to the right length, I also drill into the tire bead so the screw doesn't push the tire away from the rim. As stated above, soap the inside of the tire. 15lbs seems alot for a stick car I would start with 12 or 13 lbs, I run 10 to 11 depending on the track. Also, radials don't work on stick cars.


1100 I/S

Aubrey, how's the rear end holding up in the car? You still have the stock 10-bolt or did you upgrade?

I'd never change, Wannabee[:-sunglasses-:]
This upgrade kit that I designed, does the job, doesn't waste horsepower... and is WAY easier to do gear changes than a 12 bolt.

In the morning, I'm heading to see my machinist to pick up my rear end housing and the new brackets that I designed to install the Wilwood disc brakes.
I should post a picture of the setup before I install it. Likely a one-in-the-world[:-lookhappy-:]

Aubrey

1962 Chevy Belair sport coupe 409HP 409 NHRA DIV 6 now C/Stock IHRA E/Stock #6409
1959 GMC 9380 1 Ton dually, 482 CID 409 / W 5th wheel car hauler

I sure hope thats an 8.5'' 10 bolt and not the 7.5'' weakling!

Lee Norton
<u>Slowtime Motorsports</u>
I/PS '02 Firebird 231 V6

Lee... a disco rear end ?
I don't think so[:-good-:][:-laughing-:]

Original 1962 Chevrolet/CDN Pontiac:

[image]http://www.bruneauperformance.ca/55-64spoolrearrear.jpg[/image]

[image]http://www.bruneauperformance.ca/aubreymay22003/moseraxles.jpg[/image]

[image]http://www.bruneauperformance.ca/pics/050401-6.jpg[/image]



Aubrey

1962 Chevy Belair sport coupe 409HP 409 NHRA DIV 6 now C/Stock IHRA E/Stock #6409
1959 GMC 9380 1 Ton dually, 482 CID 409 / W 5th wheel car hauler