BSA Owners' Club Workshop Discussions

The BSA Workshop => Pre War => Topic started by: Mike Farmer on 06 Apr, 2021, 20:05

Title: Sloper Crankcases
Post by: Mike Farmer on 06 Apr, 2021, 20:05
 :) :) :)

Hi
I've just seen an advert for 1930's Crankcases for "single port engine".

I didn't realize there is any difference in the cases for either single or twin port.

Be pleased if someone would enlighten me and explain. Are they interchangeable.

Mike 8) 8) 8) 
Title: Re: Sloper Crankcases
Post by: Y13 Alan G on 07 Apr, 2021, 13:21
There is no difference between the twin port & single port OHV Sloper crankcases. The only difference is the cylinder head.
Title: Re: Sloper Crankcases
Post by: Mike Farmer on 07 Apr, 2021, 14:33
 :) :) :)

Thank you, that was my thoughts but -never assume--check. Mind at rest.

Mike 8) 8) 8) 8)
Title: Re: Sloper Crankcases
Post by: Hoppe30 on 07 Apr, 2021, 16:23
The actual difference is the number stamped in the cases.
Title: Re: Sloper Crankcases
Post by: Mike Farmer on 08 Apr, 2021, 08:46
 :) :) :)

Thank you.

Mike 8) 8) 8)