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Old 09-10-2020, 02:33 PM   #2
Is 19 cars too many?
neptune's Avatar
Join Date: Jun 2004
Location: Lake Forest Park, WA / St Paul, MN

I've been thinking about doing this for a couple months now so thanks for the motivation.
I get 2-1/8" on the pre -90 and 2-3/8" on the 90- I have lying around. Plus/minus 1/16"

Measurement not mega-accurate, but close. I laid the exhaust ports flat on a countertop with the bulge of the manifold hanging over the edge, clamped the flattest board I have across the mounting flange, and measured down to the countertop. The step on the flange for mounting a factory turbo is not included in that measurement, I am measuring to the flange itself with the studs.

Hope that helps some.
Owns 19 cars and only 4 run, so keep that in mind when taking my advice.
1981 242 Turbo |1996 850R |1980 Coupé (Project)
1971 280SEL| 1978 280Z |1937 LaSalle (Project)
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