Got the motor out and head off, have a few questions.....PICS

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May 25, 2011 | 09:40 PM

#16

JD730

Registered User

Joined: May 2005

Posts: 2,510

Likes: 1

From: Belvidere, NJ

Quote:

Originally Posted by Richie O

I know a guy that had his done at a performance shop and they bored it 20 over and used stock pistons with custom sized rings. I had never heard of that before. You would think the thing would explode.

Actually you'd be surprised. Air cooled air craft engines run very large clearances. In fact what you mentioned might be considered tight for some of them. But they do run straight 70 weight oil for a reason.

May 26, 2011 | 07:32 AM

#17

patdaly

Administrator

Joined: Jan 2007

Posts: 8,372

Likes: 172

From: Streator Illinois

Quote:

Originally Posted by Richie O

That thing isn't gonna last...........Either they built a pulling engine like a top fuel engine, or they told the guy one thing and did another.

I used to hide what I did in race engines with all kinds of disinfo.