Goal:
67 mph on pump gas, with little
or no porpoising in race conditions.
Currently:
65 mph on pump gas, with little
to no porpoising in race conditions.
Parts:
R&D plate/grate/tabs, ProTec
stuffer, sponsons, slotted T-handles, Riva Head with 41cc domes, Riva Stinger
3 with JetWerks water restrictor, Riva free flow tube, jetting provided
by WPP (110L, 120H, 95Spring, 1.5N/S), Tau Ceti 4x2 Flame arrestors with
water socks, Advent CDI using stinger curve, and Advent tach, with EGT
probes drilled into single manifold, Garmin GPS3, 3deg XLT nozzle, Speed
Freeks Nujet 13/19 speed cut on stock pump, reserve switch removedwith
gas pickup flapper removed, running off reserve line only, 500gph rule
autoswitch, with rotory switch installed in reserve location. Hydroturf
seat cover, footwells, and pads.
Results:
Crankshaft blew out the 3 bearing
from the front, at 40 hours. Converted over to Full stage 3.
MAG | CENT | PTO | |
MAIN JET | 117.5 | 117.5 | 117.5 |
PILOT JET | 95 | 95 | 95 |
HIGH TURNS | 1 | 1 | 1.25 |
LOW TURNS | 1.25 | 1.25 | 1.25 |
NEEDLE SEAT | 1.2 | 1.2 | 1.2 |
SPRING | GOLD | GOLD | GOLD |
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Parts: Tau Ceti 4x2 Flame arrestors with water socks, Stage 2 Carb Settings, provided by WPP, ProTec reed stuffers, and ProTec slotted t-handles.
MAG | CENT | PTO | |
MAIN JET | 120 | 120 | 120 |
PILOT JET | 110 | 110 | 110 |
HIGH TURNS | 1 | 1 | 1 |
LOW TURNS | 1 | 1 | 7/8 |
NEEDLE SEAT | 1.5 | 1.5 | 1.5 |
SPRING | 95 | 95 | 95 |
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LINK | LINK | |
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Send Email inquiries to: mer43@cox.net |
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