Intake manifold construction

[steve ravet]

JGD built a fiberglass manifold for his Z car a few years ago.  Here's
the article:

http://personal.cha.bellsouth.net/cha/j/o/johngd/files/car/fiberglass_manifold/construction.txt

That URL will probably be cut in half by the mailer, be sure to copy the
whole thing into netscape.


--steve

Sean W Walsh wrote:
> 
> Can anyone give me a reason why I shouldn't construct an intake manifold using
> Glass Reinforced Plastics?
> 
> I have an older 4 cyl lancia engine with a dual throat single carby and 4 branch
> manifold. I'm converting this to EFI and want to create a port injection rampipe
> style intake with a small plenium etc. GRP lends itself to "backyard" techniques
> and since I have a bit of experience with boat construction I thought I'd give
> it a go myself rather than getting something fabricated.
> 
> What are the problems I'm likely to face : different temperature expansion rates
> of the inlet manifold (grp) and the head (alloy)?  fatigue from vibration? high
> temperatures breaking down the epoxy?  I know there are epoxy resins available
> that are rated to 150 degrees celsius so that should be enough (?) any other
> suggestions?
> 
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-- 
Steve Ravet
steve.ravet at arm.com
ARM,Inc.
www.arm.com
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