RCU Forums - Converting G51 RC to CL

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Converting G51 RC to CL

I ordered a ST G51 RC from Tower "Scratch & Dent", and got it yesterday. It was missing the manifold, which I had, so it's good to go. Saved $24. Initially, I'm going to use it for RC, but might want to convert it to CL. If I put the CL sleeve in it, along with the venturi, NVA, and all that, will I have, basically, the same engine as the G51 CL? Thanks. Glen

RE: Converting G51 RC to CL

Actually you'll have exactly the CL version :)
The only internal difference is the timing of the exhaust port. The CL version opens at 70 degrees BBDC while I believe the RC opens at 74 degrees. You might want to try the RC liner first because a couple of guys on SSW have said it runs quite well, maybe not as good as the CL version though.

I must admit I'm majorly impressed with my G51, it's got virtually identical power to my Stalker 61 and pulls a large model around with ease while 4 stroking. Ditch the muffler though.