I have a stock WLA engine in a civilian frame with an M88 carb and #5 heads. The M88 is stock except for having an adjustable high speed needle and the high speed jet is replaced with a solid plug.
I want to know if I can go to the larger venturi as used on the M51 carb to get a little more power for riding 2 up. I know the M88 venturi is 15/16” and the carb is internally vented for the nozzle and the vent is provided by the venturi. I also know the M51 venturi is 1 1/16” and the carb body has the vent for the nozzle.
1) Is it possible to modify the M88 carb body for an external vent to use the larger 1 1/16” (or even 1 1/8”) venturi as used on the M51?
2) If so, can I use the same nozzle?
3) Is there a noticeable improvement in power going from a 15/16” venturi to a 1 1/16” venturi whether or not it is possible modifying the M88 or using the M51?
I want to know if I can go to the larger venturi as used on the M51 carb to get a little more power for riding 2 up. I know the M88 venturi is 15/16” and the carb is internally vented for the nozzle and the vent is provided by the venturi. I also know the M51 venturi is 1 1/16” and the carb body has the vent for the nozzle.
1) Is it possible to modify the M88 carb body for an external vent to use the larger 1 1/16” (or even 1 1/8”) venturi as used on the M51?
2) If so, can I use the same nozzle?
3) Is there a noticeable improvement in power going from a 15/16” venturi to a 1 1/16” venturi whether or not it is possible modifying the M88 or using the M51?
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