Ironworker
Addicted to ArboristSite
I just picked up a new 365xt and I was planing on porting it, I did a search but all of the good build threads no longer had pics, if anyone has any pics I would appreciated.
365xt/372 porting pics
- Thread starter Ironworker
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Ironworker
Addicted to ArboristSite
How much can be removed from the marked area.
Deets066
Firewood hack
I thought I was finally goin to get to see some of your hack jobs Numa 
ncfarmboy
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Ironworker
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Actually haven't decided yet, I'm thinking of leaving the base gasket also and just opening up the ports and taking a little off the piston on the intake side, Bob (Spike60) told me he's had success with just a little work.
Ironworker
Addicted to ArboristSite
Exactly what I'm looking for thanks.
Derf
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I think it's all about effort and returns. A good MM will help a lot and is bolt-on easy. Opening up the lower transfers / case matching cylinder is just some straight forward dremel work and also helps a fair bit. Gasket delete to increase compression helps a tad too. If it's an xtorq then grinding out the transfer divider is pretty easy (if you have a security torx bit) and helps. Taken all together its a noticeable improvement.
Cutting the cylinder and squish band for increased compression and smaller combustion chamber is more work and usually requires money or donuts. But does produce a measurable increase over base gasket delete.
Grinding/shaping upper transfers and other tricks is even more work for even smaller marginal returns.
It just comes down to how much effort for how much return do you want.
Ironworker
Addicted to ArboristSite
Oh you'll see.I thought I was finally goin to get to see some of your hack jobs Numa
Depends on how hot you want to go. That should net a decent gain that way.
