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Showing results for tags '12 port'.
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Im selling a complete running top end. I will have compression numbers in a few days or sooner if need be. I have a set of jims passion racing 12 port cylinders with domes cut by noss machine. Have .021-.022 squish if my memory serves me well. Engine runs very well on pump gas. The only reason for selling is cause im a fat ass and need a serval. I will be including the domes, pistons, and cylinders. I am looking for $550 shipped and insured to the lower 48. Kevin Pics coming soon...- 3 replies
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- 4mil
- passion racing engines
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4MIL CRANK 115 RODS PASSION 12 PORT (TRAIL-ISH) 64.50 BORE DYNOPORT INFRAMES STOCK CAGES TDR REEDS STOCK INTAKES MODDED FOR VFORCE PWK 28'S W UNI DUAL STAGE PODS 6" STOCK HEAD WITH SPACER PLATE IN BETWEEN HEAD & CYLINDER (795 WISECO) 125PSI COMPRESSION HAD 50 PILOTS AND 168 MAINS RAN OK BUT IF YOU DO A LOW RPM HIGH GEAR PULL RIGHT BEFORE IT GETS IN THE PIPE IT GETS A MEAN STUTTER THAT IT WONT COME OUT OF UNLESS I LET OFF THE GAS AND ROLL ON THE THROTTLE THROUGH THAT SPOT. I DROPPED TO A 48 PILOT BUT I HAD TO DROP THE CLIP TO THE 5TH POSITION FOR IT TO RUN RIGHT. JUST CURIOUS TO WHATS GOING ON THAT THE MOTOR WANTS THE NEEDLE ALL THE WAY UP.