HSR Manifold base mod.
Thread Starter
Joined: May 2009
Posts: 4,915
Likes: 40
From: Far West
Car: 1986 Camaro Z28 IROC-Z
Engine: 350 Tuned Port Injection, for now.
Transmission: 700R4
Axle/Gears: Posi - 3.23
HSR Manifold base mod.
We all know that the HSR's height is a bit high and usually hits the roof of our hoods. But I was thinking, what if we milled down the top section of the manifold lets say, .25" - .50" so allow a better clearance of the hood. Has anyone done such a mod? If I do the milling, will there be enough threads inside the manifold to torque down the plenum?
milledHSR.jpg?t=1343966033
milledHSR.jpg?t=1343966033
Joined: Apr 2005
Posts: 7,736
Likes: 14
From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: HSR Manifold base mod.
most weld the plenum on
http://forums.corvetteforum.com/c4-t...he-welder.html
http://www.joby.se/corvette/mods/2005-10-03_hsr/
http://forums.corvetteforum.com/c4-t...r-hsr-mod.html
http://forums.corvetteforum.com/c4-t...he-welder.html
http://www.joby.se/corvette/mods/2005-10-03_hsr/
http://forums.corvetteforum.com/c4-t...r-hsr-mod.html
Last edited by vetteoz; Aug 2, 2012 at 11:40 PM.
Thread Starter
Joined: May 2009
Posts: 4,915
Likes: 40
From: Far West
Car: 1986 Camaro Z28 IROC-Z
Engine: 350 Tuned Port Injection, for now.
Transmission: 700R4
Axle/Gears: Posi - 3.23
Re: HSR Manifold base mod.
Vetteoz, every time I need an answer that I think no one will answer, you come to the rescue. Thanks for the link man. 
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