What cam for my 18HP?

mopar92 · 01-15-2012, 07:13 PM

I'm looking at CPP's cam. Any other suggestions? I'm putting in a rev kit in addition. I really don't think I want to go too radical and have to start cutting valve guides, etc. I want good power down low. Thanks!

mopar92 · 01-16-2012, 08:09 AM

Nobody has put an aftermarket cam in their Briggs?

mtwain69 · 01-16-2012, 08:59 AM

put CPP's HP cam in my 23 vanny,and rev kit, very good torque and power all the way to 4500

mopar92 · 01-16-2012, 09:13 AM

Will I see a noticeable difference with the cam, rev kit, and header? I'd like to think so..

mtwain69 · 01-16-2012, 09:28 AM

over stock? Hell yea, plus I put 6:1 gears in

sho305 · 01-23-2012, 01:26 PM

You can look at places like NR racing and Precision Cams, they make stuff for lawnmower racing who seems to run the twins more. Make sure the valvetrain is right for the cam you use, and if you need to have comp release to get it started on the starter some engines have a problem with that. You need to know what rpm you need power at. They usually really come alive with a cam, though most cams run more rpm than stock. Some engines I've looked at they say stock cam makes the most power under say 3K rpm, above that you can improve a lot, but depends on your use. You may have to adjust the clutches to take advantage of more power at higher rpm.

01-15-2012, 07:13 PM	#1
mopar92 Gone Wild Join Date: Apr 2008 Posts: 371	What cam for my 18HP? I'm looking at CPP's cam. Any other suggestions? I'm putting in a rev kit in addition. I really don't think I want to go too radical and have to start cutting valve guides, etc. I want good power down low. Thanks!
mopar92 Gone Wild Join Date: Apr 2008 Posts: 371

01-16-2012, 08:09 AM	#2
mopar92 Gone Wild Join Date: Apr 2008 Posts: 371	Nobody has put an aftermarket cam in their Briggs?
mopar92 Gone Wild Join Date: Apr 2008 Posts: 371

01-16-2012, 08:59 AM	#3
mtwain69 Gone Wild Join Date: Sep 2011 Location: Tampa, Fl. Posts: 191	Re: What cam for my 18HP? put CPP's HP cam in my 23 vanny,and rev kit, very good torque and power all the way to 4500

01-16-2012, 09:13 AM	#4
mopar92 Gone Wild Join Date: Apr 2008 Posts: 371	Will I see a noticeable difference with the cam, rev kit, and header? I'd like to think so..
mopar92 Gone Wild Join Date: Apr 2008 Posts: 371

01-16-2012, 09:28 AM	#5
mtwain69 Gone Wild Join Date: Sep 2011 Location: Tampa, Fl. Posts: 191	Re: What cam for my 18HP? over stock? Hell yea, plus I put 6:1 gears in

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01-23-2012, 01:26 PM	#6
sho305 Vegas modded 420 Join Date: Jun 2009 Location: West MI Posts: 15,445	Re: What cam for my 18HP? You can look at places like NR racing and Precision Cams, they make stuff for lawnmower racing who seems to run the twins more. Make sure the valvetrain is right for the cam you use, and if you need to have comp release to get it started on the starter some engines have a problem with that. You need to know what rpm you need power at. They usually really come alive with a cam, though most cams run more rpm than stock. Some engines I've looked at they say stock cam makes the most power under say 3K rpm, above that you can improve a lot, but depends on your use. You may have to adjust the clutches to take advantage of more power at higher rpm.

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