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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Post  cannedheat321 Tue Jul 30, 2019 3:54 pm

I were wondering if someone out there could double check my Part Numbers before I go throwing money at the wrong parts.I am using the early style RH bellhousing with mechanical TO bearing.I do not have the instructions and all my PNs are based on research off these forums.For flywheel I have Center force 700170 86-92 Chevy,clutch is Hays 40-104.Pressure plate is PN 798-401 and pilot bearing is the "Big" GM bearing No.12557583.If anyone who has completed a swap with this RH bell please respond.Im trying to avoid the hassle of returned parts.Thanks

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Post  948 Mon Aug 26, 2019 8:22 am

The flywheel will be an 86-91 SBC single piece rear main seal.
The clutch PP will be the SBC 10.5", for the flywheel you buy.
The disc would need to be a matching 10.5" disc with the Porsche spline, TPC should be able to have one made for you.
The pilot bearing should be the 944 one using an adapter, again TPC would have this.
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Post  spence Mon Aug 26, 2019 8:42 am

Since he's got a SBC he won't need an adapter if he uses gm pilot bearing #12557583
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Post  948 Mon Aug 26, 2019 9:55 am

I see, you are correct. I now recall that discovery, vaguely.
It's been about 14 years since I created that adapter, to remedy the needle pilot bearing wear issue.
spence wrote:Since he's got a SBC he won't need an adapter if he uses gm pilot bearing #12557583
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Post  cannedheat321 Tue Aug 27, 2019 4:04 pm

Thanks for the return info.The reason I wanted some insight was due to the posts and other articles on the thicknesses of the flywheel that can be installed on the LT1.I keep seeing reference to a 3/4 thick unit that renders the pressure plate too far back to clear the bell housing.On my bell there is a scratch inside it that shows the previous owner had problems in this area also.I already had to grind a small amount of material off the starter nose to ensure the bell mounted flush with the block.I plan on assembling the engine,bell, torque tube and transmission outside on the flat concrete to get the correct pilot depth then use a gauge between the slot on the sleeve to mark the proper central shaft position.I can then drill a new notch for the pinch sleeve and should be good to go.You just cant see the pilot and bearing with the clutch fork and TO bearing in the way.Once again thanks for the input!


Last edited by cannedheat321 on Wed Aug 28, 2019 8:58 pm; edited 1 time in total (Reason for editing : used wrong technical term)

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