Flycut without measuring?
Flycut without measuring? Stock bottom end LS1 and I plan to have my 243s milled to around 59cc or 60cc and running a .40 gasket. Running a SNL V.4 camshaft. Not supposed to share specs so I'll say between .640-.645 intake and .615-.620 exhaust. I'm sure I'll need to flycut but I'd like to have the machine shop do it without have to assemble everything to measure then disassemble. Can someone give me an amount they flycut for their similar setup or tell me the least I should have the cut. I know there are tons of post on this but I'm looking to get a little more specific. Thanks.
TECH Senior Member
Joined: Mar 2004
Posts: 14,620
Likes: 17
From: BFE
Ok here goes again. LIFT HAS ALMOST NOTHING TO DO WITH PTV CLEARANCE. I wish people would finally understand that once and for all.
Since you have to keep specs secret, then measure. That is the only way to do it right.
Since you have to keep specs secret, then measure. That is the only way to do it right.
I really shouldn't say this for fear of ridicule, but while my heads are at AI I'm just going to cut .080 for both intake & exhaust and be done with it.
Predator, per our previous PM's and you seeing my cam sheet, I believe we both came to the conclusion I was going to need to anyway.
Predator, per our previous PM's and you seeing my cam sheet, I believe we both came to the conclusion I was going to need to anyway.
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I bought the snl cam from another member and he said when he bought it they asked him not to share their specs. Not sure why but figured I'd respect their wishes. Are they even a sponsor here anymore?
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Well thanks to some help from a couple members and Snl I decided to go .080 intake and exhaust. I brought them to the machine shop to have them done ($100) but they have to put them in their mill to flycut which means disassembling pistons which means buying new wrist pins so I'm gonna try to follow some stickies on here on DIY flycutting and see how it comes out. Thanks for the help.
