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Do you know what the total weight of the car is with driver right now? In general I have found that a heavier car is more consistent and less effected by the wind. I consider anything under 430 light and anything over 530 heavy.
Also, do you know what it ran with the previous kid and what the driver weight difference is? Knowing what the current engine, clutch and gearing combo is gives us a baseline to adjust from.
So you may be better off leaving it alone and adding the weight but it would help if we knew where your weight is. And I know these engines can get really angry and temperamental if they don’t have the right amount of fuel. Choking it down that much may cause more problems.
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No, I don’t really know the total weight of the car yet. I need to get it on some scales. I believe the previous driver was around 165 lbs and my boy is only around 80 lbs. I still need to look at the front sprocket, I saw the rear was a 66 when I was trying to clean it up a bit. I know I still have some homework to do to figure all this out as far as knowing total weight, gearing, etc. but was checking on the smaller carb as an option.
I couldn’t get a 33 carb to work with my Craws 3 1/2. With a 42 carb, 1050 restrictor plate, 15-69= 4.66 gear ratio and -3 degrees of timing. Total package 560 lbs. This is how I slowed down my 8.90 car. 2017 Mike bos car with ever weight tank filled.
I’m getting there slowly but surely. Definitely going A to B every pass. This weekend at Rockingham it was definitely doing good.
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