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Review on πŸ”§ Optimized 1/2-inch Carburetor Spacer by Edelbrock - Model 8723 by Bart Elbrink

Revainrating 5 out of 5

Better low speed behavior with actuator cam

The 4 hole spacer has greatly improved low speed and highway behavior compared to the split spacer on my Ford 289 with cam and Edelbrock Performer intake. I also had to lean the idle mixture after installation. So apparently this should improve fuel economy.

Pros
  • cool product
Cons
  • Don't really like it, all fine