 Engine -transmission bolt patterns, Type I ,IV & Porsche 2.0-3.2 the same ? |
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| jeff |
 Jul 3 2026, 10:34 AM
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#1
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Member  Group: Members Posts: 257 Joined: 17-January 04 From: thousand oaks,ca Member No.: 1,570  |
Good morning, I’m wondering if the bolt pattern for a type I, type IV & Porsche 2.0-3.2 or even 3.6 are the same? I’m looking at an adapter plate for a Type I and I’m wondering if it could work with a Porsche -6. I suppose I’d need to have a custom flywheel/ clutch setup .
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| mepstein |
Jul 3 2026, 11:06 AM
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#2
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914-6 GT in waiting Group: Members Posts: 20,790 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region 
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Type 4 and all H6’s are the same. No idea about T1 but I know people use T1’s in their 912’s so I wouldn’t be surprised if it’s the same or very similar.
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| porschetub |
Jul 3 2026, 02:48 PM
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#3
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914 Guru Group: Members Posts: 5,130 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
QUOTE(mepstein @ Jul 4 2026, 05:06 AM)  Type 4 and all H6’s are the same. No idea about T1 but I know people use T1’s in their 912’s so I wouldn’t be surprised if it’s the same or very similar. I had a bus 1.8 T4 bolted to a T1 box in my plastic Speedster ,cheers. |
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| Jack Standz |
Jul 3 2026, 03:23 PM
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#4
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Senior Member Group: Members Posts: 871 Joined: 15-November 19 From: Happy Place (& surrounding area) Member No.: 23,644 Region Association: None
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Gonna say no or not easily. So, to answer your question, not the same.
2.4 and 2.7 Porsche motors are 6 bolt patterns and 3.0 to 3.8 are 9 bolt. Maybe try KEP? |
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