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Big bore 45 cylinders

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handshifter

Posts: 42

Joined: Thu Nov 23, 2006 11:30 pm

Location: seattle, washington

Post Tue Mar 01, 2011 10:47 pm

Big bore 45 cylinders

Needing information clarification regarding cylinder bore size for a 45 WL cylinder.

looking at the Victory Library tech papers on engine displacement, i understand .100 oversize is the biggest size piston, if a builder was to use a indian scout piston with a .130 oversize and fit the wrist pin etc what will happen to the cylinder casting if this engine is raced ?? in the literature it has a notation quote "will have temperature problems" does the thin cylinder wall cause overheating??

has any builders out there run the scout pistons for a few more cc when you already have stroker flywheels??

I guess there is no way to make a 45 WL cylinder "big bore" ?? is that correct.

I understand the K model top end on the WL, can the k model cylinder be bored bigger??

Just trying to map out a engine plan for the biggest CC i can get from a WL engine, from the Tech paper literature it looks like with the special 4 13/16 stroker flywheels the biggest we can go is 60.00" .
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jib

Posts: 570

Joined: Sat Dec 10, 2005 3:36 pm

Location: devon,england

Post Wed Mar 02, 2011 3:00 am

Re: Big bore 45 cylinders

heres a thread to read.

viewtopic.php?f=6&t=11581
Dude, check out that jibhead, he's crazy. Hasn't been sober for 40 years
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X-WLCH

Posts: 111

Joined: Wed Apr 30, 2008 12:16 pm

Post Thu Mar 03, 2011 7:45 pm

Re: Big bore 45 cylinders

i have a set of wldrs 150 over fit to scout pistons. i don't know there history but they look like they were run. hard!
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RUBONE

Posts: 379

Joined: Fri Nov 30, 2007 7:24 pm

Post Thu Mar 03, 2011 7:49 pm

Re: Big bore 45 cylinders

My KHK had Scout pistons in it when I first got it. The spigots were paper thin and starting to crack, but it had been run like that for a while!
Robbie

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