if the temp is at 165º and the fuel is boiling you have a problem with the routing of the fuel line.
fuel boiling
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I routed my fuel lines away from the block with rubber line not metal line. And i put one a 1 inch phencolic spacer ( plastic ) when i got my edelbrock it boiled bad and my car would never get hotter than 170 degrees its just todays crap gas thats doing it. Doing these tricks to mine i havent boiled since.
Heres the spacer i used
Heres the spacer i used
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I had a 1/2 inch for awhile it worked pretty good. I had too because of hood clearance but when i got my cowl hood i got the bigger one
I have used many different heat shields and spacers and have found that wood laminate ones are probably some of the best at insulating the carb from heat soak.
The spacers I have been using for years that I like better than the wood ones are made by Jomar Performance and he uses a phenolic laminate, I remember him telling me it is like cotton sheets with resin which makes them far stronger than wood but with the same or better insulating properties.
I had a Jomar 1" 4 hole tapered spacer but I had to change to a 1/2" when I added my Zex nitrous plate since I can't raise my carb any higher but it still does a great job.
The plastic spacers do a better job than an aluminum heat shield but any of these are better than only having a gasket between the carb and the intake and for obvious reasons avoid aluminum spacers or adapters.
The spacers I have been using for years that I like better than the wood ones are made by Jomar Performance and he uses a phenolic laminate, I remember him telling me it is like cotton sheets with resin which makes them far stronger than wood but with the same or better insulating properties.
I had a Jomar 1" 4 hole tapered spacer but I had to change to a 1/2" when I added my Zex nitrous plate since I can't raise my carb any higher but it still does a great job.
The plastic spacers do a better job than an aluminum heat shield but any of these are better than only having a gasket between the carb and the intake and for obvious reasons avoid aluminum spacers or adapters.
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