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-   -   intake stud spacing (http://forums.pelicanparts.com/porsche-911-technical-forum/127128-intake-stud-spacing.html)

jpnovak 09-12-2003 07:00 AM

intake stud spacing
 
I am tearing down the top of the engine to a long clock for cleaning. What is the intake stud spacing for a 78 3.0. I need to make some intake covers to keep trash out.

Thanks

jamie

Tippy 01-09-2018 10:27 AM

Quote:

Originally Posted by jpnovak (Post 953286)
I am tearing down the top of the engine to a long clock for cleaning. What is the intake stud spacing for a 78 3.0. I need to make some intake covers to keep trash out.

Thanks

jamie

You ever find this out?

I wanted to verify my measurements with others before I pull the trigger on machining my parts.

911pcars 01-09-2018 10:49 AM

Painters tape not a long term solution?

You have vernier calipers or a ruler? To determine the center-to-center space, measure the outer dimension from stud to stud, then subtract the OD of one stud from that measurement......

...... or take an intake gasket, trace it on some paper, then measure those dimensions. The cover you fabricate along with used gaskets and gasket sealer should do the job.

Sherwood

boyt911sc 01-09-2018 10:58 AM

Intake runners studs spacing.......
 
Quote:

Originally Posted by jpnovak (Post 953286)
I am tearing down the top of the engine to a long clock for cleaning. What is the intake stud spacing for a 78 3.0. I need to make some intake covers to keep trash out.

Thanks

jamie




Jamie,

I got 66 mm +/- 0.5 (center to center) from my 78 SC engines.

Tony

DeRRis 01-09-2018 11:31 AM

Yes 66 mm (79mm -13mm = 66mm), measured on a large port 1978 3.0 SC engine

https://farm5.staticflickr.com/4619/...789ea952_o.jpg

https://farm5.staticflickr.com/4626/...1ed83593_o.jpg

Tippy 01-09-2018 12:16 PM

I got 2.597" from my crappy Harbor Freight calipers that fluctuate 0.005".

Looks like I was only 0.001" from being accurate.

Not too bad! :cool:


http://forums.pelicanparts.com/uploa...1515528913.PNG

Tippy 01-09-2018 12:21 PM

If you guys didn't see, Jamie asked this over 14 years ago..... ;)

DeRRis 01-09-2018 12:26 PM

And you did again today ;)

Tippy 01-10-2018 06:57 AM

Quote:

Originally Posted by DeRRis (Post 9878811)
And you did again today ;)

Yep. It came up in a Google search. Beings it was 14 years old, I had to post to it.

:D

boyt911sc 01-10-2018 07:12 AM

14-year old post.........
 
Quote:

Originally Posted by Tippy (Post 9878806)
If you guys didn't see, Jamie asked this over 14 years ago..... ;)


Tippy,

You are the one responsible for bringing this very old post back to LIFE.

Tony


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