09-26-2023, 03:57 PM
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#20
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Member
Join Date: Aug 2003
Posts: 262
Likes: 48
Liked 54 Times in 25 Posts
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Re: Beware of CSR Performance
Ok, i knew about this.. I just thought it had gotten changed for the slower class cars as well..Doesnt effect me lol
Quote:
Originally Posted by 1320racer
not a new rule...
General Regulations Section 21, page 17
2:14 TRANSMISSION, AUTOMATIC/NHRAACCEPTED
All cars running 10.99 (*6.99) seconds and quicker must have
an NHRA-accepted locking-type dipstick on the transmission,
and dipstick/filler tubes must be securely fastened (i.e., bolted,
aircraft clamped). Wire ties, hose clamps, etc. prohibited.
Any non-OEM automatic floor-mounted automatic transmission
shifter must be equipped with a spring-loaded positive
reverse lockout device to prevent the shifter from accidentally
being put into reverse gear. Functional neutral safety switch
mandatory. All transmission lines must be metallic or highpressure-type hose.
All vehicles running quicker than 10.99
seconds (*6.99) or faster than 135 mph (except some Stock
and Super Stock classes as noted under Class Requirements)
and using an automatic transmission must be equipped
with a transmission shield meeting SFI Spec 4.1 and labeled
accordingly. (“Blanket”-type shield, appropriately labeled as
meeting SFI Spec 4.1, permitted.) All non-blanket-type shields
must incorporate two (or one, per manufacturer’s instructions)
3/4 x 1/8-inch straps that bolt to the shield on each side and
pass under the transmission pan, or transmission pan must
be labeled as meeting SFI Spec 4.1. Permitted in all classes
where an automatic transmission is used.
Comp, Super Comp, Super Gas, 9.99 or quicker E.T. cars, and
135-mph or faster E.T. cars using an automatic transmission,
Lenco Drive, or BRT must be equipped with a flexplate meeting
SFI Spec 29.1 and covered by a flexplate shield meeting SFI
Spec 30.1. Transmission that can utilize a high-gear transbrake
must be supported by the use of two momentary buttons
(one to arm the system, second as the main transbrake). Air
shifter bottles must be stamped with DOT-1800 pound rating
(minimum) and be securely mounted (i.e., no tie wraps or hose
clamps).
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