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Old 12-21-2009, 09:50 PM   #1
Dave Steltz
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Default Locking Dipstick

For those who may not have seen this....I guess the GM stock locking type is not approved...

NHRA Accepted Products

Locking Type Dipsticks (Auto Trans)

Manufacturer Phone Number Website

A-1 Performance 360-574-9966 www.a-1perf.com
ATI 877-298-5039 www.atiracing.com
B & M 818-882-6422 www.bmracing.com
BTE 800-626-1828 www.bteracing.com
Coan Racing 765-456-3957 www.coanracing.com
Cope Racing Transmissions 219-374-0100 www.coperacingtrans.com
Hughes Performance 602-257-9591 www.hughesperformance.com
Lokar 877-469-7440 www.lokar.com
Mike's Transmission 661-723-0081 www.mikestransmission.com
Performance Automatic 301-963-8078 www.performanceautomatic.com
TCI Auto 888-776-9824 www.tciauto.com
Trans Dapt Performance 562-921-0404 www.tdperformance.com
Transmission Specialties 610-485-9110 www.transmission-specialties.com
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Old 12-22-2009, 08:32 AM   #2
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Default Re: Locking Dipstick

Maybe they did not chip in any cash to get the rule passed.
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Old 01-04-2010, 12:35 PM   #3
Rob Petrie E395
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Default Re: Locking Dipstick

I just got a response back from NHRA Tech on a email I sent a couple of weeks ago. As of this time a GM locking dipstick will be OK.
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Old 01-04-2010, 07:16 PM   #4
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Talking Re: Locking Dipstick

I got the Lokar ones they are trick,special for dragster
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Old 01-04-2010, 09:21 PM   #5
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Default Re: Locking Dipstick

Question on the locking dipsticks...is the NHRA mandating a locking dipstick now? And if so, where are you finding this rule....I have looked at the '10 updates and all through the '09 book and find nothing mentioning AT dipsticks.

Thanks.
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Old 01-04-2010, 10:18 PM   #6
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Default Re: Locking Dipstick

The rule change was in the National Dragster in late Oct or early Nov along with changes in the parachute mounting.
Since NHRA decided they would not send us 2010 Rule Books this year you will need to read it on line.
If you go to the web page under Competition and then to Approved Devices the approved list is on page 83 there but that same list is also at the beginning of this thread.
Only changes for 2010 for SG and SC is the locking dipstick and parachute mount rule.
I did not go all the way through the on line book but I am sure it is there. I did see it earlier on the NHRA web page but I could not find it tonight. Maybe the page expired or they removed it.
I wonder if the Tech Group even knows about the changes the way they all communicate.
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Old 01-08-2010, 09:09 AM   #7
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Default Re: Locking Dipstick

Is the locking dipstick rule for every class?
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Old 01-08-2010, 07:53 PM   #8
Ron Finney
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Default Re: Locking Dipstick

It appears so for any of the super classes and fast brackets. I just found it in the issue of National Dragster...and it says all cars 10.99 and quicker...I still have not found it in the rule book or rule updates for 2010. FYI - ATI has a locking cap for 10.95...It is not a dipstick to check fluid with, just a locking cap. Cheap fix, fill the trans, remove the stick and use the locking cap. It appears to be the same lock as on the dipticks they sell.
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Old 01-12-2010, 09:32 AM   #9
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Default Re: Locking Dipstick

Quote:
Originally Posted by Rob Petrie E395 View Post
I just got a response back from NHRA Tech on a email I sent a couple of weeks ago. As of this time a GM locking dipstick will be OK.
Check at your GM dealer for a 96'ish cavalier "5 spd" trans dipstick. It's about $10 and 4" long. Keep your original in the trailer. It's been about 10 yrs since I got mine and I believe that is what it's out of.
If they cant find it in the book, have the parts guy walk to the parts bin with you. I believe trans dipsticks are in group "4.020". If they keep their inventory by factory catalog numbers, and the dealer is large, they will have all of them in the exact same place in the warehouse.
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Old 01-12-2010, 06:22 PM   #10
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Default Re: Locking Dipstick

From another forum, the GM part number is 15687192. It's supposed to be longer than a standard powerglide dipstick, so you can just cut it to match your existing one.
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