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-   -   JW Ultra Bell for GM 200M (https://classracer.com/classforum/showthread.php?t=89688)

TimKGillespie 06-05-2025 04:28 PM
JW Ultra Bell for GM 200M
 
Anyone using one in a stocker?

mike britt 06-05-2025 05:12 PM
Re: JW Ultra Bell for GM 200M
 
I have one in my gen 3 Camaro. Top left bell housing bolt is a little tight to get to. You might not be able to use a factory dipstick tube. I have a flexible one.

MR DERBY CITY 06-05-2025 10:43 PM
Re: JW Ultra Bell for GM 200M
 
Quote:
Originally Posted by TimKGillespie (Post 713033)
Anyone using one in a stocker?
There are plenty out there Tim. I have one and LOVE it. The factory dipstick works well with my 3rd gen. ATI also makes a nice bell for the TH 200…...I have one of those as well….

Tom Goldman 06-05-2025 10:57 PM
Re: JW Ultra Bell for GM 200M
 
The ATI bellhousing is also about $175 cheaper than the JW.

Glenn Briglio 06-06-2025 08:05 AM
Re: JW Ultra Bell for GM 200M
 
Got two of them. Great product

TimKGillespie 06-06-2025 08:59 AM
Re: JW Ultra Bell for GM 200M
 
Looks like we have consensus among the SBC crowd...good news...anyone with a BBC running one?

Would prefer ATI...but it does not appear they have a BOP version...

MR DERBY CITY 06-06-2025 10:21 AM
Re: JW Ultra Bell for GM 200M
 
Tim , if you are concerned about the BOP case ….I would venture to say that Leo Glassbrenner ran one on his Pontiac Firebird back in the day.

TimKGillespie 06-06-2025 12:32 PM
Re: JW Ultra Bell for GM 200M
 
Slugger...Leo built our transmissions originally with stock cases...not sure if he has ever used the JW bellhousing but I can certainly ask...

MR DERBY CITY 06-06-2025 12:55 PM
Re: JW Ultra Bell for GM 200M
 
Not sure if RL Butner uses one on her Pontiac stocker , perhaps you could find out ??

FSA1673 06-06-2025 01:57 PM
Re: JW Ultra Bell for GM 200M
 
I have one in my GM A-body behind a 455 Pontiac.

mike britt 06-06-2025 04:06 PM
Re: JW Ultra Bell for GM 200M
 
Mine has both GM patterns.

jmantle 06-06-2025 04:46 PM
Re: JW Ultra Bell for GM 200M
 
I installed several JW ones for customers, no issues. Use good bolts with hard flat washers and as long a bolt as there are threads in the case for, everything is hanging on 6 8mm bolts.

Jason Shepard 06-06-2025 10:38 PM
Re: JW Ultra Bell for GM 200M
 
I use a JW on my 200 that I got from Leo. gen 4 firebird LS. Fits very well. No clearance issues at all.

SS3860 06-08-2025 11:47 AM
Re: JW Ultra Bell for GM 200M
 
My transmission builder preferred the factory case with bracing. He felt it was better than the way a bolt on bellhousing was designed. I haven't had any issues with it.

Tom Flowers
E/SA 3860


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