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Join Date: Jun 2009
Location: New England
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Grinding #4 Intake Runner, O.K.?

Is there any reason I shouldn't grind off the "step" on the #4 intake runner?

I welded a tab to a later aluminum A/C mounting bracket and drilled it to fit my 1979 SC Targa. It's the mount that accommodates a Denso compressor. I think it's called a 'turbo-mount' but I'm not sure.

The mounting bracket fits perfectly, but when I mount the Denso compressor, it bangs up against the "step" on the #4 intake runner. I only need 1/2" more clearance so I won't have to grind into the tube of the intake runner. I can get that 1/2" by re-shaping the 'step.'

Has anyone else done this? Is there any reason not to reshape the 'step?' What's it for anyway?

Lastly, I do have a spare set of intake runners, in case something goes awry.

As always, I appreciate the help!

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Robert

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"A man must consider what a rich realm he abdicates when he becomes a conformist." ~ Ralph Waldo Emerson ~ (thanks to Pat Keefe)

Last edited by piscator; 10-18-2019 at 02:48 PM..
Old 10-18-2019, 02:46 PM
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No problem. Have at it.
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1979 SC, Slant nose wide-body cab conversion. AEM Infinity EFI, COP, supercharged!
Old 10-18-2019, 03:20 PM
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Thanks Dr. J!

I was pretty sure there was no reason not to, but it's always good to check. I appreciate your help!
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Robert

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"A man must consider what a rich realm he abdicates when he becomes a conformist." ~ Ralph Waldo Emerson ~ (thanks to Pat Keefe)
Old 10-19-2019, 03:05 AM
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Just make sure you don't overgrind it Robert with the BFG !
Old 10-19-2019, 07:02 PM
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Top of the Morning To Ye P!

Good advice! All done now and reinstalled. I cut the step off on the band-saw and ground the rest leaving a little extra. The Denso compressor fits beautifully now!




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Robert

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"A man must consider what a rich realm he abdicates when he becomes a conformist." ~ Ralph Waldo Emerson ~ (thanks to Pat Keefe)
Old 10-20-2019, 07:17 AM
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