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Piston direction???model D

Technical help for all early models, A, B, C, LC, D, LD, E & F models

Piston direction???model D

Postby mm man » Fri Sep 08, 2017 6:38 pm

I have a new Gol piston for my model D I have also had my barrel rebored to match I was just looking at reassembling it and I noticed there are no marks on the piston with ref to which way around to fit it? ( i.e towards the exhaust). I have checked the ring pegs and they run with out going over any of the ports either way around you fit it with the same amount of clearance between the ports so should I fit it with the ring gaps towards the front ( exhaust) or the back ( inlet ) or doesn't it matter ?
My thoughts were towards the rear (inlet) cooler ??
Is there a thrust side ?
Thanks again for any help
mm man
 
Posts: 85
Joined: Sat Dec 05, 2015 11:38 pm

Re: Piston direction???model D

Postby Rob Miller » Sat Sep 09, 2017 7:14 am

I would fit the pegs towards the inlet side as there is more support for the ends of the rings on that side.
Rob Miller
 
Posts: 112
Joined: Fri Jun 06, 2014 8:46 pm

Re: Piston direction???model D

Postby mm man » Sat Sep 09, 2017 9:38 am

Thanks again for your help Rob very much appreciated.
I tried to send you a PM and it's been in my outbox for a week in fact it's still there ? ( i re tried a couple of times ) is you box full ? Have you received it ? Or have I got the process wrong somewhere?
Again thanks for your time
mm man
 
Posts: 85
Joined: Sat Dec 05, 2015 11:38 pm


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