View Full Version : Big Red Performance
lndy650
11-01-2009, 09:16 PM
im sure someone has thought of this but this winter im going to attempt to install a 4 valve 350x or 250x head on a big red engine. then use a custom sleeve with a 350x big bore piston making it about a 350....we will see if it works. i also know gears that will fit the big red engine to get more top speed
MudBug
11-01-2009, 09:23 PM
wow, that would be crazy
lndy650
11-01-2009, 09:30 PM
ya im 90% sure i can make it work...
Russell 350X
11-01-2009, 10:51 PM
Let us know....sounds interesting.
Thorpe
11-01-2009, 11:15 PM
I want to hear more about these mystery gears...?
lndy650
11-01-2009, 11:53 PM
not really mystery gears lol just think about it...
Thorpe
11-02-2009, 12:03 AM
Using SX gears...?
Erics350x
11-02-2009, 12:08 AM
the 350x head doesn't line up does it?
lndy650
11-02-2009, 09:15 AM
cam chain is on the same side and the bolt pattern is the same thats as far as ive got so far...
Erics350x
11-02-2009, 09:36 AM
Reason i was asking is, I tried to put a 350x head on a TRX300 a while back and there was something like two bolts that didn't line up.
It would be cool if that works out. I wonder if the cam chain will fit? I have a couple spare 350x topends if you need anything.
lndy650
11-02-2009, 10:33 AM
thanks ill see how far i get...you might be right i was just eyeballing the stud pattern but it looks identical
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