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#1
mods to Std Hitachi carb
thaifrog
Posted on: 2016/1/25 4:24
Played around with jets this weekend and managed to get it pretty good. I suspect a large amount of beginners luck involved but it runs between 14 and 15:1 normally, 13:1 ish when accelerating hard and about 15.5-16 when cruising at about 110kmh.
This is on my 1527cc A15 with a camtech 621 cam and 10.8: CR. I know that the Carb is the bottleneck, and i have some A14T carbs to put on it when i have time, but are there any easy mods which can be done to get more out of the stock Hitachi ? remove choke butterfly and shaft ? i never use it .. ram pipe? i have a K&N filter already  
#2
Re: mods to Std Hitachi carb
1200rallycar
Posted on: 2016/1/25 4:38
seriously dont bother, way too restrictive at high rpm, just do the carb swap ASAP
play with electronic distributor, thermo fan and extractors for better results
#3
Re: mods to Std Hitachi carb
thaifrog
Posted on: 2016/1/25 4:54
OK thanks, have thermo fan and extractors already, and programmable ignition next on my plan...
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