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WarrenC 11-24-2024 09:24 PM

New to .90 tech forum
 
I have read many current & older post to learn more about S/G & S/ST tech requirements for setting up an engine/car. As a newbie I did not want to flood the forum with basic questions. However I want to renew my drag racing participation on the right foot. No pun intended. The following is my current goals and existing chassis. Any input to this thread or in PM is greatly appreciated.
- Goal 800-1000HP N/A BBF 532/557 to compete in S/G S/ST. Builder suggestions?
- PG transmission - partial to Hughes open to suggestions.
- Current 11yr old chassis '88 Fox with QA1 front K-member & dble adjustable front shocks & cast / camber plates.
- Front motor plate
- 10 points cage. last cert.2003 @ 8.50. Will need new cert & upgrade to meet latest NHRA requirements. Chassis shop suggestions?
- Hotchkis adjustable rear control arms. pan hard bar. Is 4 link rear suspension the norm in S/G S/ST?
- 8.8 Moser 33 spline axles, 5 stud, Clip eliminators, spool 4.10
welded center section & Moser rear cover.
- ET fronts & 10.5 x28 MT

Great information in forum about Throttle stops, initial settings, electronics, shift type & differences & data acquisition. None of which I have experience with. Was just getting into delay box & TB when I packed it up.

Thanks in advance.
Warren

Tom Goldman 11-25-2024 02:30 PM

Re: New to .90 tech forum
 
With the Pro tree for SG and S/ST now at .400 and .500 respectively It's a lot easier for cars with almost any good working suspension and even limited tires to be competitive
There are quite a few successful S/ST cars that run 9x30 and 10.5 tires . Not common in Super Gas ,but it has been done.
Personally I think a car like yours might be better suited to .90 racing with a large displacement small block 351 than the 460.
The rear suspension should work well, probably will need more gear, maybe not with the28" tires I'd consider upgrading to larger axles . ,there are lots of cars that run in the classes that have ladder bars and even Cal Tracs . Four links are great but not necessarily a requirement.
Good luck with the project

WarrenC 11-25-2024 03:49 PM

Re: New to .90 tech forum
 
Thanks Tom. I would agree S/ST being a good re-entry point. I reviewed my last pass data from 2007 (paper data) lol. Best was 10.10 @ 133MPH RT.- .5829 60' - 1.4253 1320'. Launch @ 4000RPM shift on RPM @ 6800. Based on Dyno data @ 650HP @ 6800RPM. . I feel we may have been leaving HP on the table with 133MPH. We hadn't dailed in QA1 suspension fully, nor the change to PG/T-B/Delay box.
Thoughts on MPH versus ET?
PS weight 3080lbs w/driver.

Tom Goldman 11-25-2024 05:50 PM

Re: New to .90 tech forum
 
I'd say you're loosing 2 to 3 tenths E.T.
60' is a little weak but that and the E.T. are likely in the converter that's probably built soft for the small tires

Keith 944 11-25-2024 07:06 PM

Re: New to .90 tech forum
 
Quote:

Originally Posted by WarrenC (Post 706050)
Thanks Tom. I would agree S/ST being a good re-entry point. I reviewed my last pass data from 2007 (paper data) lol. Best was 10.10 @ 133MPH RT.- .5829 60' - 1.4253 1320'. Launch @ 4000RPM shift on RPM @ 6800. Based on Dyno data @ 650HP @ 6800RPM. . I feel we may have been leaving HP on the table with 133MPH. We hadn't dailed in QA1 suspension fully, nor the change to PG/T-B/Delay box.
Thoughts on MPH versus ET?
PS weight 3080lbs w/driver.

A lot of rules change at 135+ mph. You may want to try to stay under that. Probably would on t-stop anyway. Listen to Tom, he is a wealth of knowledge

WarrenC 11-25-2024 10:30 PM

Re: New to .90 tech forum
 
Agreed on both, loss through converter & Trans. Band let go 7th pass on rebuild. Tom is very knowledgeable & helpful from all the post I have read. Thank you very much.

Lenny5160_v2 11-26-2024 12:47 PM

Re: New to .90 tech forum
 
Your numbers are very similar to mine, although my car weighs almost 3600# and the MPH is more like 127-128.

I've been running S/ST for about 10 years that way, and it's worked very well. I do a lot of looking over my shoulder though.

Keith 944 11-26-2024 05:32 PM

Re: New to .90 tech forum
 
Quote:

Originally Posted by Lenny5160_v2 (Post 706094)
Your numbers are very similar to mine, although my car weighs almost 3600# and the MPH is more like 127-128.

I've been running S/ST for about 10 years that way, and it's worked very well. I do a lot of looking over my shoulder though.

^^^^^^^ this man knows how to go slow and win!

Lenny5160_v2 11-27-2024 02:49 PM

Re: New to .90 tech forum
 
Quote:

Originally Posted by Keith 944 (Post 706111)
^^^^^^^ this man knows how to go slow and win!

Thanks, Keith! You aren't going very fast in S/G either.

WarrenC 11-28-2024 12:42 PM

Re: New to .90 tech forum
 
Being the new guy I'm not commenting on anyone. I'm happy nobody called out my weak reaction times.
Progress, My previous engine came up for sale. I'll check it out next week in person as it is out of province. Current owner's vehicle crashed. '73 Maverick due to crank failure. He had it rebuilt to 523CI, forged rotating assembly (Eagle or Scat?) 12:1 Compression, still has Edelbrock Alum heads & intake, and original cam, roller lifts / rockers. Rebuilt in 2018, never started, never on the dyno. His health went south.
Apparently the replacement block is a 4 bolt main cobra jet.??
Anyone know the Ford block codes? I had a hard time sourcing 4 bolt main block in 1999-2000's. Would like to verify 4 bolt mains without dropping the pan.

Happy Thanksgiving to the USA folks.

JP1738 01-02-2025 12:21 PM

Re: New to .90 tech forum
 
Just based off what I've read, I've yet to see a highly competitive combo in SG hitting the .400 tree on small tires. I do not think you can reliably hit the tire hard enough to get a hold of the tree unless you're reaction time is inhuman. SST is the way to go, you'll have more than enough time to plant the tire softly on the .500 tree. Also, the safetly changes that occur at 135 are really not a huge deal if you already take it seriously. Window net, gloves, closed face helmet are the main changes, but most people have that stuff anyway. 1000hp in SST at 2800# (min weight) would probably get you in the neighborhood of 150mph. If that's the case, the safety changes do become rather large. HANS device etc.

doglover44 02-23-2025 04:12 AM

Re: New to .90 tech forum
 
Quote:

Originally Posted by JP1738 (Post 707525)
Just based off what I've read, I've yet to see a highly competitive combo in SG hitting the .400 tree on small tires. I do not think you can reliably hit the tire hard enough to get a hold of the tree unless you're reaction time is inhuman. SST is the way to go, you'll have more than enough time to plant the tire softly on the .500 tree. Also, the safetly changes that occur at 135 are really not a huge deal if you already take it seriously. Window net, gloves, closed face helmet are the main changes, but most people have that stuff anyway. 1000hp in SST at 2800# (min weight) would probably get you in the neighborhood of 150mph. If that's the case, the safety changes do become rather large. HANS device etc.

How much does the safety change From Super St to SG ?

Lenny5160_v2 02-24-2025 11:24 AM

Re: New to .90 tech forum
 
Quote:

Originally Posted by doglover44 (Post 709828)
How much does the safety change From Super St to SG ?

No change in the safety rules at all.

Now, if you are on the slow end of Super Street (under 135 MPH) you can wear a thinner fire suit, no gloves, no window net) that you could never wear in SG.

WKCOOK 06-11-2025 10:27 AM

Re: New to .90 tech forum
 
Good day all. My new username is wkcook, not warrenc. (lost password) I have my motor back. Many thanks to Bruce @ ABS Competition Engines in Regina, Canada. Any suggestions on PG transmission builders in Canada or along the northern USA border states?

JP1738 06-12-2025 04:19 PM

Re: New to .90 tech forum
 
Quote:

Originally Posted by WKCOOK (Post 713293)
Good day all. My new username is wkcook, not warrenc. (lost password) I have my motor back. Many thanks to Bruce @ ABS Competition Engines in Regina, Canada. Any suggestions on PG transmission builders in Canada or along the northern USA border states?

Not to be that guy that throws out a useless recommendation, but the best powerglide builder I've run across and most reasonably priced is Bernard Weaver at Weaver Automotive. I'm sure if you can get linked up with him he can ship you whatever you need. I've had his transmission in my car for over 10 years and made over 2000 passes. No signs of wear. I believe he lives somewhere near Richmond Virginia

BIGG18c 06-12-2025 04:42 PM

Re: New to .90 tech forum
 
Bishop's Performance in Grand Rapids Minnesota looks to be fairly close to you. Chris is an excellent .90 racer and transmission builder. He should be able to build you exactly what you need. I believe he is a Hughes distributor as well.

WKCOOK 07-02-2025 02:36 PM

Re: New to .90 tech forum
 
Thank you.


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