[Fot] TR4 piston & liner life span

[Greg Blake]

Been racing since 2009 on the same Wiseco pistons and stock liners.  4-5 race weekends a year on the motor. 

I run about 12.75:1 and shift at 6500-7000.

My usefully engine use to be limited by stock cranks. After breaking 2, I went to a billet crank.  

Pistons, rods and liners have all survived the 2 broken cranks. 

Greg

Sent from my iPhone

> On Oct 29, 2016, at 1:22 PM, Jim Gray <toodamnfunky at comcast.net> wrote:
> 
> Greetings FoT,
> I just finished perfect season sans one session where I snapped off my gas pedal but better that than the brake.
> After two great seasons on the motor I started seeing some fluxuations in my oil pressure so I’m going to go ahead and rebuild it.
> I’ll do a compression test today after a quick spin around the neighborhood.
> Anyway, I just wanted to see what folks typically get for piston & liner life. I’m really only seeing a couple seasons.
> Thanks for the input,
> Jim g
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