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Old 12-10-2017, 01:15 PM   #1
GTS340
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Default transmission shield required is stock

I see they either added it or I've been running without but I guess I need one now.

NHRA RULE AMMENDMENTS MADE FROM THE END OF THE 201
7
SEASON TO THE BEGINNING OF THE 201
8
SEASON
17
The use of air
assisted
or electric
assisted shift
er
is prohibited in all Stock
applications.
Deepene
d stock or aftermarket transmission oil
pans permitted.
Drilling of transmission case or rear of engine block to
adapt incompatible units
prohibited. Functional neutral safety switch
mandatory. Transmission brake
prohibited. Tailshaft modifications for
bus
hing replacement, or NHRA
-
accepted
aftermarket tailshaft,
permitted.
Any car running quicker than 10.99 must be
equipped with a transmission shield meeting SFI Spec 4.1. Any car running
quicker then 9.99, SFI 29.1 automatic transmission flexplate and SFI 3
0.1
flexplate shield mandatory.
See General Regulations 2:12, 2:14
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Old 12-10-2017, 02:26 PM   #2
DODGEBOY
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Default Re: transmission shield required is stock

can you run a transmission blanket in a stocker thanks
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Old 12-10-2017, 02:33 PM   #3
Lyn Smith
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Default Re: transmission shield required is stock

Does it say" deepened or aftermarket oil pans permitted"?
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Old 12-10-2017, 03:04 PM   #4
GTS340
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Default Re: transmission shield required is stock

Sorry terrible job of copying it

Any car running quicker than 10.99 must be equipped with a transmission shield meeting SFI Spec 4.1. Any car running quicker then 9.99, SFI 29.1 automatic transmission flexplate and SFI 30.1 flexplate shield mandatory. See General Regulations 2:12, 2:14.
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Old 12-10-2017, 03:11 PM   #5
GTS340
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Default Re: transmission shield required is stock

Quote:
Originally Posted by DODGEBOY View Post
can you run a transmission blanket in a stocker thanks
I asked Pat at NHRA the same question but didn't hear back. I would think so. I've tried the CSR on my old Super Stock car. Not user friendly at all. You end up cutting something to make it fit on a A-Body Mopar anyway. I've gone 440 B/SA in my Dart so I figure the CSR is worse with it. Scared to spend 500.00 to find out.
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Old 12-10-2017, 07:29 PM   #6
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Default Re: transmission shield required is stock

I've already put a blanket on my stocker.
I'll let you know after Pomona lol.
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Old 12-10-2017, 07:38 PM   #7
Floyd Staggs
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Default Re: transmission shield required is stock

A steel shield is good for 5 years. A blanket is good for 2 years.
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Old 12-10-2017, 11:05 PM   #8
Frank Bialas
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Default Re: transmission shield required is stock

Quote:
Originally Posted by GTS340 View Post
I asked Pat at NHRA the same question but didn't hear back. I would think so. I've tried the CSR on my old Super Stock car. Not user friendly at all. You end up cutting something to make it fit on a A-Body Mopar anyway. I've gone 440 B/SA in my Dart so I figure the CSR is worse with it. Scared to spend 500.00 to find out.
I also spent the money on the CSR carbon fiber complete flex plate,torque converter,transmission shield. I have a B body and can tell you that it does NOT fit into the tunnel even after cutting it up into [4] four pieces, waist of money.When I called CSR to discuss the issue NO help, just that they would not re-certify if modified/cut to fit. I explained this to Pat and he asked me to finish cutting/section shield to fit, epoxy it back together send it back to CSR and see if they could remold or modify to fit and to get back to him. Tough stuff to work with and I don't think they will work with me anyway. If NHRA does not allow us to modify the tunnel, mopar racers and possibly others are gonna have a tough time even with a blanket,at least you can crush them. The tunnel is reinforced with a structural member in the area of cross member/torsion bar collar. Pat also mentioned using a SFI case I'm not aware of one for 727.
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Old 12-10-2017, 11:42 PM   #9
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Default Re: transmission shield required is stock

I was able to use a CSR shield on by 67 Belvedere but had to do two things . To fit the shield to the trans , I had to cut quite a few bosses off the trans case . The shield fits like a glove , So I have it on the trans before I install it into the car . I have to let the engine tilt down in the back or I can't get at the top two bolts . I did trim back the flange where the trans tunnel to the firewall hangs down , then after the trans is bolted up to the engine , I jack it into place and install the trans crossmember . Its tight but it all fits . I wished that CSR would clearance the shield for the ProTrans band adjustment , and change where the buckle is for the strap , because its is wedged up in the trans tunnel , just move it down a few inches . Glad they are finally making the shields again , they were out of stock for almost a year .
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Old 12-11-2017, 12:20 AM   #10
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Default Re: transmission shield required is stock

Quote:
Originally Posted by ss3011 View Post
I was able to use a CSR shield on by 67 Belvedere but had to do two things . To fit the shield to the trans , I had to cut quite a few bosses off the trans case . The shield fits like a glove , So I have it on the trans before I install it into the car . I have to let the engine tilt down in the back or I can't get at the top two bolts . I did trim back the flange where the trans tunnel to the firewall hangs down , then after the trans is bolted up to the engine , I jack it into place and install the trans crossmember . Its tight but it all fits . I wished that CSR would clearance the shield for the ProTrans band adjustment , and change where the buckle is for the strap , because its is wedged up in the trans tunnel , just move it down a few inches . Glad they are finally making the shields again , they were out of stock for almost a year .
Is it possible that the 67 tunnel could be different/larger than the 70? I doubt it, but know that the manual transmission cars had a larger segment on drivers side to fit the shifter, also need to know if the new design CSR shield that you purchased had a large rib across the top towards tail shaft?
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