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Join Date: Apr 2000
Location: Austin, TX
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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

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Old 09-12-2003, 06:00 AM
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Quote:
Originally Posted by jpnovak View Post
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.
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Cory - turbo'd '87 C3.2 Guards/Blk, 3.4, 7.5:1 CR, 993SS cams, Borg-Warner S366 turbo @ 1.2-1.5 bar, Treadstone full bay IC, 70mm TB, TiAL F46 WG, HKS 1 1/2" BOV, twin 044 pumps, MicroSquirt AMP'd w/GM smart coilpack, Bilstein coilovers, Tramont replica Speedlines (285's rr, 225's frt), Big Reds frt, 993 rr., tower brace, MOMO wheel
Old 01-09-2018, 09:27 AM
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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
Old 01-09-2018, 09:49 AM
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Intake runners studs spacing.......

Quote:
Originally Posted by jpnovak View Post
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
Old 01-09-2018, 09:58 AM
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Yes 66 mm (79mm -13mm = 66mm), measured on a large port 1978 3.0 SC engine



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Last edited by DeRRis; 01-09-2018 at 10:33 AM..
Old 01-09-2018, 10:31 AM
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Chain fence eating turbo
 
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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!


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Cory - turbo'd '87 C3.2 Guards/Blk, 3.4, 7.5:1 CR, 993SS cams, Borg-Warner S366 turbo @ 1.2-1.5 bar, Treadstone full bay IC, 70mm TB, TiAL F46 WG, HKS 1 1/2" BOV, twin 044 pumps, MicroSquirt AMP'd w/GM smart coilpack, Bilstein coilovers, Tramont replica Speedlines (285's rr, 225's frt), Big Reds frt, 993 rr., tower brace, MOMO wheel
Old 01-09-2018, 11:16 AM
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If you guys didn't see, Jamie asked this over 14 years ago.....
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Cory - turbo'd '87 C3.2 Guards/Blk, 3.4, 7.5:1 CR, 993SS cams, Borg-Warner S366 turbo @ 1.2-1.5 bar, Treadstone full bay IC, 70mm TB, TiAL F46 WG, HKS 1 1/2" BOV, twin 044 pumps, MicroSquirt AMP'd w/GM smart coilpack, Bilstein coilovers, Tramont replica Speedlines (285's rr, 225's frt), Big Reds frt, 993 rr., tower brace, MOMO wheel
Old 01-09-2018, 11:21 AM
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And you did again today
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Good drivers have dead flies on the side windows. (Walter Röhrl)
Old 01-09-2018, 11:26 AM
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Quote:
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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.

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Cory - turbo'd '87 C3.2 Guards/Blk, 3.4, 7.5:1 CR, 993SS cams, Borg-Warner S366 turbo @ 1.2-1.5 bar, Treadstone full bay IC, 70mm TB, TiAL F46 WG, HKS 1 1/2" BOV, twin 044 pumps, MicroSquirt AMP'd w/GM smart coilpack, Bilstein coilovers, Tramont replica Speedlines (285's rr, 225's frt), Big Reds frt, 993 rr., tower brace, MOMO wheel
Old 01-10-2018, 05:57 AM
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14-year old post.........

Quote:
Originally Posted by Tippy View Post
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

Old 01-10-2018, 06:12 AM
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