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Engine basics => Engine set up tips => Topic started by: Bill Little on July 04, 2015, 03:40:09 PM

Title: Fox .29 Stunt P/S interchangeable?
Post by: Bill Little on July 04, 2015, 03:40:09 PM

Hi All,

I want to run a sandcast Fox .29 stunt in my Guillows Barnstormer.  It runs, OK but is a bit down on compression.  I have a later '60s model .29 Stunt (looks just like the .35 Stunt) that has great compression.  Will the piston/sleeve from the newer one drop in the sandcast case and give me a better sandcast .29??

Thanks!
BIG Bear
RNMM/AMM

Title: Re: Fox .29 Stunt P/S interchangeable?
Post by: rustler on July 05, 2015, 01:22:30 PM

I've heard it said that you can keep old Fox 35's going with parts from newer models, - a tribute to a continuous line since 1948.
Maybe the same applies to 29's? Or even, - it it's just a case of thick or thin cylinders, maybe a 35 p/c would really cheer your 29 up  ;) (Guess that would also mean a different head).
I think the real answer is you'll have to check.
Let us know?

Title: Re: Fox .29 Stunt P/S interchangeable?
Post by: Chris Wilson on July 05, 2015, 08:33:50 PM

Chrome plate the liner and lap the piston to suit?

That's going to get you a better engine though.

Title: Re: Fox .29 Stunt P/S interchangeable?
Post by: Bill Little on July 05, 2015, 09:09:48 PM

Quote from: Chris Wilson on July 05, 2015, 08:33:50 PM

Chrome plate the liner and lap the piston to suit?

That's going to get you a better engine though.

Hi Chris,

That would definitely be my first choice but I cannot find anyone who does chroming work anymore.

Thanks!
Bill