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Post by racer40s on Jul 9, 2012 13:10:41 GMT -5
What does the different height carb spacers do? In what application or desired performance would you use one? Thanks new to slingshots,...
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Post by hammerdownpower on Jul 9, 2012 21:49:31 GMT -5
I'm going to say this in a purely theoretical way because in the real world anything can happen (and i have proven it myself).
Typically adding and reducing carb spacers changes the length of the intake tract which changes the way fuel/air mixtures both atomize and flow as they enter the chamber. Its usually said that more spacers helps top end power and less makes torque. I can honestly say that i have had motors that gain power almost without compromise with more spacers and i've had others that show zero change whether there was one black spacer or 3 aluminum ones. Typically you sacrifice one or the other (torque vs hp) when you adjust the amount of spacers.
Dyno testing an engine is very important here as alot of other factors are in play like carb work, jetting, elbow grinding, manifold work etc... along with your carb spacers. Not one recipe works for everyone and you may lose power just doing what some random person tells you to do because "they heard it from a guy that wins".
My best advice to you if you are starting out and just getting a feel for the car is to run whatever you have now and work on both maintenance and setup first. Then start to entertain the idea of getting the most out of your engine. Changing spacers sometimes requires you to alter the height of your bellcrank assembly to keep the linkage rod geometry in check so keep that in mind if you want to experiment.
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