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914World.com _ 914World Garage _ Difference Between 1.7 and 1.8 TB Gaskets?

Posted by: Nogoodwithusernames Jul 29 2020, 09:36 AM

So the intake in my T4 converted Squareback is technically out of a bus, but the motor is a 1.7 914 with domed pistons so it's not completely off topic. The issue is, I'm having a hard time dropping idle down. One of the two intake leaks I've found is the TB to plenum gasket, but I don't know if I should order the 1.7l version or 1.8l version.

Any way to tell between the two or measure the one I have to tell?

Posted by: bdstone914 Jul 29 2020, 09:39 AM

@http://www.914world.com/bbs2/index.php?showuser=20051

date='Jul 29 2020, 08:36 AM' post='2838157']
So the intake in my T4 converted Squareback is technically out of a bus, but the motor is a 1.7 914 with domed pistons so it's not completely off topic. The issue is, I'm having a hard time dropping idle down. One of the two intake leaks I've found is the TB to plenum gasket, but I don't know if I should order the 1.7l version or 1.8l version.

Any way to tell between the two or measure the one I have to tell?
[/quote]


The 1.8 is larger. I would have to measure each plenum to get a dimension. Or order one of each.

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