taco eater :
David Butcher from Christchurch, NEW ZEALAND New Zealand
No major difference in take off speed but holy shit when she winds up went over 60 km/h 20mm vm carb tuned pipe race reeds weekends manifold hauls ass on 25:1 premix on a b7hs plug going to try 30:1 b6hs plug for a cleaner burn
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IT'S TOO FAST.
August 6, 2016
taco eater :
Anthony Gagnon from Medina, OH United States
78 express: rips like a mahfah! Holy hell I love this kit.
Install info: has a decomp port from the exhaust port to the head you need to take care of. Either buy a head that has a decomp valve, or like I did: block off that port. I tapped the port to a screw size I had lying around, cut the head off the hex cap screw, dremeled a slot into the screw, then screwed the screw into the decomp port with red loctite. I'll edit this if it fails due to high temp.
.6mm base spacer with gaskets on either side works with port timing, no piston slap with head gasket. Haven't tried 1mm to compare performance diference. Careful with that exhaust gasket, yo!
Also you have to cut two fins with a dremel to make room for the trans fill plug. But that's cakewalk and you know it.
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FITTING QUESTIONS
April 24, 2016
taco eater :
Matthew Graham from colorado springs, CO United States
I have and a original 78 Honda express. 1) Do i need base spacers to make this fit? 2) Should i run an after market exhaust (right now i have a DE-restricted stock exhaust) 3) Do i need a new head or can i use my stock head?
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moped guy
March 12, 2015
taco eater :
Tom King from Central Point, OR United States
this kit with good pipe hauls can you say wheelie time make sure you jet with stock pipe or will be soorry
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Cox Bros.
March 8, 2012
taco eater :
David Cox from Energy, IL United States
Bought 2 of these, one for 78 Express, and 81 Express II, perfect with factory 81 head and 2 base gaskets, 180 psi, top end ripper for sure, definately buy one again if i needed another kit