onebadhemi Posted January 31, 2014 Report Share Posted January 31, 2014 I want too know if I can run this 4mm hot rod crank with stock cylinders and what kind of HP gains is there Quote Link to comment Share on other sites More sharing options...
Jereme6655 Posted January 31, 2014 Report Share Posted January 31, 2014 yes you can run it. However you will need to get new pistons that are made specifically with a offset wrist pin height. Your bike will also not run up to its full potential......actually until you get it ported for the 4mil you will barely be making much more than stock......however get it ported for that 4mil and you're gonna see a whole new world that you would think your bike was never capable of. Also you will need a head that had domes cut for a 4mil crank or else you wind up using a spacer plate......which is NOT ADVISABLE..... Quote Link to comment Share on other sites More sharing options...
oldskool Posted January 31, 2014 Report Share Posted January 31, 2014 ^^^^^^^^This^^^^^^ You also need to determine if you have a long rod crank or short rod and have your cylinders ported specifically. If you have long rod, you need the wiseco 795 series piston or blaster piston. If you have short rod, you can just run standard piston 513"s. Domes should also be piston specific such as the 795 piston is 12 degree, blaster is 9 degee Quote Link to comment Share on other sites More sharing options...
onebadhemi Posted January 31, 2014 Author Report Share Posted January 31, 2014 Thanks for all the reply but what is recommended short rod or long rod and why Quote Link to comment Share on other sites More sharing options...
tdod101 Posted January 31, 2014 Report Share Posted January 31, 2014 Long rod, less piston slap if not mistaken Quote Link to comment Share on other sites More sharing options...
JasonsBanshee Posted January 31, 2014 Report Share Posted January 31, 2014 Port it while it's apart. The blue bike in my sig is a dune ported stock cylinder 4mil and it ran strong. Estimated at around 70-75hp. The longer rod puts less stress on the cylinder wall. At least that's what I've always been told. Quote Link to comment Share on other sites More sharing options...
onebadhemi Posted January 31, 2014 Author Report Share Posted January 31, 2014 What other mods did u have to have estimated it at 70-75 HP Quote Link to comment Share on other sites More sharing options...
onebadhemi Posted January 31, 2014 Author Report Share Posted January 31, 2014 Ok for the info Quote Link to comment Share on other sites More sharing options...
JasonsBanshee Posted January 31, 2014 Report Share Posted January 31, 2014 What other mods did u have to have estimated it at 70-75 HP Well the power makers were -In-frame CPIs -35mm PWK with clamp on K&N -Aggressive dune port from Jeff at fast -4 mil long rod -Noss head with custom domes wtih running 185psi -VF3 reeds -+4 timing -BHQ sticker Quote Link to comment Share on other sites More sharing options...
onebadhemi Posted January 31, 2014 Author Report Share Posted January 31, 2014 Ha BHQ sticker ha sweet bro haha thanx for everything I'm a go package up my cylinders Quote Link to comment Share on other sites More sharing options...
JasonsBanshee Posted January 31, 2014 Report Share Posted January 31, 2014 Did you talk to a builder? Quote Link to comment Share on other sites More sharing options...
onebadhemi Posted January 31, 2014 Author Report Share Posted January 31, 2014 Yes one of my buddy's works at trinity racing and got me in with some guys the 1 Quote Link to comment Share on other sites More sharing options...
do-work-son Posted January 31, 2014 Report Share Posted January 31, 2014 Uh oh he said trinity! 2 Quote Link to comment Share on other sites More sharing options...
onebadhemi Posted January 31, 2014 Author Report Share Posted January 31, 2014 What's the big deal with trinity should I not Quote Link to comment Share on other sites More sharing options...
onebadhemi Posted January 31, 2014 Author Report Share Posted January 31, 2014 Oh ok well iv everyone feels that way maybe I wont Quote Link to comment Share on other sites More sharing options...
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