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jirahs
07-20-2007, 12:23 AM
O.K. Boys, because of little space,someone has put a stock 3.8 exhaust manifold on this '87 G.N. motor in this custom ride. Is that the reason the head gasket can't remain intack ?

Keller
07-20-2007, 02:35 AM
:what:

By "3.8 exhaust manifold" do you mean the stock TR tubular header, or a stock normally aspirated car cast iron header?

The latter might be a problem because of poor flow.

PaCemkr86
07-20-2007, 09:45 AM
lets see a pic of this

jirahs
07-21-2007, 06:08 PM
I mean a stock cast iron exhaust manifold..........I have a set of tubulars that I am considering replacing with, but, I wasn't sure. The cast are still piped into a 3" exhaust set-up, so, is there still a flow problem ?