Thread: NHRA rules
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01-29-2008 09:34 PM #1
NHRA rules
Hey gang. I'm getting ready to order some roll bar tubing for the 'maro...anybody have a new rule book handy to see what the spec for moly tubing 8 point roll bar for a 10.90 car is? Think it used to be 1 1/2" X .083 wall......???????
Thanks
Found the spec on a google search that sez 1 5/8 x .083, but I thought that had changed for moly??????Last edited by Dave Severson; 01-29-2008 at 09:41 PM.
Yesterday is history, tomorrow is a mystery, Live for Today!
Carroll Shelby
Learning must be difficult for those who already know it all!!!!
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01-30-2008 06:39 AM #2
1 5/8 083 for moly
1 3/4 134 dom
some rules have changed
most differences are probably in the braces
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01-30-2008 06:45 AM #3
Ok, thanks Jerry. Have to go find me some updated specs I guess. 1 5/8 .083 it is.Yesterday is history, tomorrow is a mystery, Live for Today!
Carroll Shelby
Learning must be difficult for those who already know it all!!!!
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02-11-2008 01:47 PM #4
Originally Posted by Dave Severson
Roll CAGE 1 5/8" (with A-bar, halo bars) same wall as aboveLast edited by techinspector1; 02-11-2008 at 02:45 PM.
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02-11-2008 02:18 PM #5
Originally Posted by DennyW
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02-12-2008 05:13 AM #6
It's great to see you making your presence known again, Richard!
The absence of your many expert contributions has definitely been felt.
I, for one, am looking forward to "business as usual" ........ just like it used to be.
To quote (more or less) that old motel commercial, "we've kept the light on for you".
JimLast edited by Big Tracks; 02-12-2008 at 05:52 AM.
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02-12-2008 09:33 AM #7
Thanks Jim, I appreciate it very much.
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02-11-2008 05:59 PM #8
Originally Posted by techinspector1Yesterday is history, tomorrow is a mystery, Live for Today!
Carroll Shelby
Learning must be difficult for those who already know it all!!!!
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02-11-2008 06:18 PM #9
welcome back tech long time no read
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02-11-2008 07:14 PM #10
was thinking more like this heres some i have had in my favorites folder for quite some time. WARNING BIG FILE!!
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01-30-2008 02:23 PM #11
rule rule rules, BAH to may of them these days, what ever happened to those cool 3 and 4 point roll bars and bomber seats
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01-30-2008 02:42 PM #12
goggles and leather helmuts
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01-30-2008 02:44 PM #13
i personally think that the silver fire suits and breather mask with goggles are awesome
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02-11-2008 02:14 PM #14
Originally Posted by gassersrule_196
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01-30-2008 06:25 PM #15
The majority of the rules are there for a reason, unfortunately many times the reason was injury or death. If NHRA wants 1 5/8" .083 wall tubing, sounds good to me..... I've lost way too many friends to freak racing incidents over the years to question their logic, or yearn for the "good old days" when safety was for sissies.....Yesterday is history, tomorrow is a mystery, Live for Today!
Carroll Shelby
Learning must be difficult for those who already know it all!!!!
Welcome to CHR. I think that you need to hook up your vacuum advance. At part throttle when cruising you have less air and fuel in each cylinder, and the air-fuel mixture is not as densely packed...
MSD 8360 distributor vacuum advance