This spacer was the single thing that mitigated vapor lock problems. I have a van with a 351w, and the Edelbrock carb seemed to have bad vapor lock problems. After rerouting the fuel lines and installing an inline fuel vapor return filter canister, this spacer had the most significant improvement in driveability. It truly insulates the carb from the intake manifold, allowing air to help cool the carb below the fuel vaporization temperature of ethanol blended pump gas. Great investment and easy to install.
Verified purchase: Yes | Condition: New
I bought this to keep my carb cool and it does. The heat is not transferred from the intake. I thought wood might be cheep or look bad but it looks ok and is solid. It does not look like wood when installed and does not get stained from oil like wood.
Verified purchase: Yes | Condition: New
While the wood fiber spacers are more expensive, they really do cut down heat transfer most efficiently. For me, it does what it's supposed to.
Verified purchase: Yes | Condition: New
Carb went from being too hot to touch to actually feeling cool I literally couldnt believe it.
Verified purchase: Yes | Condition: New
Worked great no more boiling gas
Verified purchase: Yes | Condition: New
Great quality fits perfect
Verified purchase: Yes | Condition: New
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