taco eater :
Bruce Harman from Aptos, CA United States
Fun and fast until the exhaust strips out and then your fun ends. Getting something with more dependability next time!
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The best AV7 kit
October 21, 2011
taco eater :
Jesse Stephenson from Portland, OR United States
Out of the available kits for the AV7 this is by far and away the fastest of them all. Out of the box and modified. The 74cc version has the same spacing issue the 70cc version had. Deck the head and make a spacer plate to get proper port clearance at bdc. Combined with a G3, 21mm carb, and decent head (not the parmakit head, compression is in the dieseling range), cut porting to 190-192 exhaust, 122-124 transfers, and 160 intake. The exhaust tend to strip out pretty easy on these so be careful. If you weld your cases up or even just JB them you can make the transfers huge, so do it.
Fast but can ruin itself 
The best AV7 kit