Originally Posted by SLK32Germany
Rob, thanks for developing a good solution to seal the manifolds!! Do you recommend to put them in together with Phenolic Spacers? Have you tested the Phenolic Spacers, if they lower the IATs? I know that they keep the manifolds colder that you can touch them with your hands after a run. But the intake air is moving by so fast, do the Phenolic Spacers help to reduce IAT's? Thanks.
Regards Bruno
we have never tested nor installed installed phenolics on our car, ill leave that up to the companies that are profiting on them