944Hybrids: 924/944/968 and 928 V8 Conversions
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HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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mcleod 12" x 1" x 23 spline clutch

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mcleod 12" x 1" x 23 spline clutch Empty mcleod 12" x 1" x 23 spline clutch

Post  spence on Wed Sep 09, 2009 5:05 pm

I'm going to be getting a LT1 shortly; I just sold my old engine and transmission Very Happy

I have a mcleod 12" x 1" x 23 spline clutch that I bought with the bellhousing adapter. I need to know if I can even use it? Is there a flywheel and pressure plate I can use with this clutch disk?


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I just measured the disk itself and it measures 10 3/8"?

Thanks,
Spencer
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mcleod 12" x 1" x 23 spline clutch Empty Re: mcleod 12" x 1" x 23 spline clutch

Post  Admin on Wed Sep 09, 2009 7:28 pm

What bell housing are you using? And which adapter?

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mcleod 12" x 1" x 23 spline clutch Empty Re: mcleod 12" x 1" x 23 spline clutch

Post  spence on Wed Sep 09, 2009 7:58 pm

It's the manual SBC bellhousing; below are pictures of the exact adapter setup.

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mcleod 12" x 1" x 23 spline clutch Empty Re: mcleod 12" x 1" x 23 spline clutch

Post  Admin on Wed Sep 09, 2009 8:07 pm

I'm sure someone else will chime in on this, but I think you will have to use the 10 1/2" clutch and flywheel set up with that bell housing. If it is a stock GM bell housing, I am almost positive that the 12" flywheel setup will not fit. The bell housing hits the fire wall in the car.

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Post  944-LT1 on Thu Sep 10, 2009 12:04 am

There should be a part number cast into the bellhousing somewhere. But it looks like a regular gen1 BH which will accept the 11+1" disc. (there seems to be a bug or something under my number "two" key on my laptop so I cant type twelve. Laughing

The renegadehybrids cast BH for the LT1 would NOT allow anything above 10.5" because its depth was a bit less than a stock GM housing. But, that BH looks like it will be fine. Was just working on a 67 and 65 corvette with a BH that is just like that one and they both get 11+1" clutch discs.

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mcleod 12" x 1" x 23 spline clutch Empty Re: mcleod 12" x 1" x 23 spline clutch

Post  spence on Thu Sep 10, 2009 5:23 am

The part number on the bellhousing is 464697 (1978 GM A Body Bellhousing)... I can only use an 11" setup after doing some searching...

Should a 12" clutch actually measure 12" in dia? Like I said the one I have measures 10 3/8"?

Thanks guys
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mcleod 12" x 1" x 23 spline clutch Empty Re: mcleod 12" x 1" x 23 spline clutch

Post  944-LT1 on Thu Sep 10, 2009 11:19 am

Oh yeah youre right....just 11" for that BH. I also noticed that my old 10.5" clutch is not really 10.5" as well. So no I dont know why they listed it at 12" when its far from it. Weird. I also noticed that many people assume that the OD of the LS3/7 clutch disc was 12" but really its 11-7/16".

But saying its 12" but only 10-3/8" is really off and may be bad for a pressure plate/ flywheel thats a larger diameter??? I would call your local clutch guy to see whats up.....and then post it here! Laughing

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mcleod 12" x 1" x 23 spline clutch Empty Re: mcleod 12" x 1" x 23 spline clutch

Post  spence on Thu Sep 10, 2009 1:38 pm

944-LT1 wrote:Oh yeah youre right....just 11" for that BH. I also noticed that my old 10.5" clutch is not really 10.5" as well. So no I dont know why they listed it at 12" when its far from it. Weird. I also noticed that many people assume that the OD of the LS3/7 clutch disc was 12" but really its 11-7/16".

But saying its 12" but only 10-3/8" is really off and may be bad for a pressure plate/ flywheel thats a larger diameter??? I would call your local clutch guy to see whats up.....and then post it here! Laughing

Could you do me a favour and measure your old clutch? (if you still have it)
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