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Registered
Join Date: Dec 2015
Location: Dallas, Texas
Posts: 698
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Differences in SSI models
Hi guys, I have an '83 SC that I am in search of gently used SSIs for. I know for an '83 I would typically use the "thick flange" model.
I noticed SSI makes thick flange exchangers for the '80-'83 3.0 and, under a separate model number, for the '84-'89 3.2. The flange thickness on both models is apparently the same. My question is are these parts interchangeable? Can I use the 3.2 exchangers on my '83 3.0? Thanks in advance! |
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08-08-2018, 06:26 AM
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New-ish 911SC Targa Owner
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I thought I'd read that the pipe diameter is larger for the 3.2 SSI's. THen i also thought that I had read Dansk was no longer making both models.
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'83 Targa 300k w/ freshened 3.0 with 930/52 case# 6770540 ARP and Raceware hardware - AEM Infinity 506, Triumph T595 ITBs, B&B headers, Dynomax muff, Fidanza FW, Alum PP-203whp |
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08-08-2018, 10:49 AM
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Registered
Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,472
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The insert into the heads would be larger on the carrera boxes.
The C2 boxes are thick flange but no inserts. Bruce |
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08-08-2018, 11:26 AM
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Jeanine
