nice ! how many types-models do you have in your engine 'museum' ? has to be fun, chasing down parts.

lol-good gary, when spk vince today, he had me running 20degrees ignition timing and 12-52 gears for b-ville. guess my son's loyality has ah, 'shifted' lol. asked him to bring used front sl4s, may go other mac class. talking about a dart gp frame or latest bug rear engine kart for tbo this summer. s...

steve-interesting. my gr son last year, ran a stock 91b1, gas with the 334ab, at vintage events (junior class). no world beater times, but the engine responded well. my son is trying to talk me into the mikuni carb on a mac manifold , 92 stock for b-ville (60 and over class). got a nice-clean 334 on...

prayers-good thoughts for you, with you

we purchased a used 64 gp. liked it so much, 2-brand new 65 gp's were added. one for b-limited and 1 for b-stock. the 64, we updated to 5 inch front wheels and the 2 short tie rods (64 came with 1 long, 1 short). b-stock, we added the 3rd bearing (too bad we didn't add h/a brakes). we all know the 6...

thanks terry, my racing days were based out of akron ohio and i thought summit racing started there ???? used to have a connection back then that would test the condensors and coils

this was answerred before, wrote it down and lost the info, used the search 'button', just couldn't find as my computer skills are poor.. question-didn't mallory produce a replacement condensor for the mccullough ?? local napa store needs part number....thanks for any replies

steve, good question on how big a 100cc mac can be bored and may actually complete a race. hopefully some interesting answers

scott, question, on the piston, 9-port or original design, non 9-port ?? thanks for reply

the akron(oh) karting club operated 3 different tracks in the 60-70's using the time trial system for senior drivers. class system for rookies-junior. our average was 40-50 karts. had its problems but it seemed to work well for the type of karter we drew. a big advantage was the cost factor. we race...