23hp cam in 18 vanguard

bajarebel1 · 02-09-2015, 11:15 PM

I have been wondering if maybe I installed my cam wrong, I put a 23 hp cam and high rev kit in my 18 hp vanguard and it seems to have a lot of compression. Previously I could use the pull starter and now it is extremely hard to pull. Is this normal or did I do something wrong with the compression release? The motor runs great I just keep destroying starter gears and pull ropes. Just wondering if anyone has any ideas on this?

Also I am considering a billet flywheel so I can run a high torque starter, DO you get any performance gains from the billet flywheels?

Andy4639 · 02-10-2015, 01:34 AM

Quote:

Originally Posted by bajarebel1

I have been wondering if maybe I installed my cam wrong, I put a 23 hp cam and high rev kit in my 18 hp vanguard and it seems to have a lot of compression. Previously I could use the pull starter and now it is extremely hard to pull. Is this normal or did I do something wrong with the compression release? The motor runs great I just keep destroying starter gears and pull ropes. Just wondering if anyone has any ideas on this?

Also I am considering a billet flywheel so I can run a high torque starter, DO you get any performance gains from the billet flywheels?

First part I have no idea what your problem is.
From what I was told you loose your charging ablity on the battery with the billet flywheels but they do give you some extra HP.

Dave in VA · 02-10-2015, 06:57 AM

I don't think you need a billet flywheel to install the high torque starter...

http://www.buggiesgonewild.com/big-b...e-starter.html

LostHusker · 02-10-2015, 07:13 AM

I have the 23 cam in my 18 B&S, but I have the electric start...

pleighdammet · 02-10-2015, 11:15 AM

ive been wrong before and i might be now, but i dont think a billet flywheel adds any hp. you would probably rev faster with less rotating weight and they are definitely less prone to flying apart at high rpms. not sure why you would need one for a high torque starter, ring gear should be the same. no idea about charging.

im guessing you have another issue tho if youre finding it that hard to turn over

bajarebel1 · 02-10-2015, 04:04 PM

so what high torque starter does everyone recommend for use on stock flywheel with aluminum ring gear?

Andy4639 · 02-10-2015, 04:08 PM

Here is the one most of us have.
I just installed this a few weeks ago on mine and man what a difference it makes.

http://www.buggiesgonewild.com/big-b...e-starter.html

bajarebel1 · 02-10-2015, 04:26 PM

Quote:

Originally Posted by Andy4639

Here is the one most of us have.
I just installed this a few weeks ago on mine and man what a difference it makes.

http://www.buggiesgonewild.com/big-b...e-starter.html

Where do you buy it? I did a search for beater cart starters and did not have any luck.

1989Marathon · 02-10-2015, 05:33 PM

The motor shouldn't turn over any harder with a stock 23 cam than it did with the 18 cam. Does the 23 cam still have the compression release balls in the exhaust lobes? Is the de-compression weight, spring, and pin still installed in the cam?

bajarebel1 · 02-10-2015, 06:02 PM

Quote:

Originally Posted by 1989Marathon

The motor shouldn't turn over any harder with a stock 23 cam than it did with the 18 cam. Does the 23 cam still have the compression release balls in the exhaust lobes? Is the de-compression weight, spring, and pin still installed in the cam?

It had the release balls in the exhaust lobes, not sure what the decompression weight, spring, and pin are, I vaguely remember removing some weights but I thought they had something to do with the rev limiter.

02-09-2015, 11:15 PM	#1
bajarebel1 Gone Wild Join Date: Nov 2008 Location: Texas Hill Country Posts: 426	23hp cam in 18 vanguard I have been wondering if maybe I installed my cam wrong, I put a 23 hp cam and high rev kit in my 18 hp vanguard and it seems to have a lot of compression. Previously I could use the pull starter and now it is extremely hard to pull. Is this normal or did I do something wrong with the compression release? The motor runs great I just keep destroying starter gears and pull ropes. Just wondering if anyone has any ideas on this? Also I am considering a billet flywheel so I can run a high torque starter, DO you get any performance gains from the billet flywheels?

02-10-2015, 06:57 AM	#3
Dave in VA maintaining a low profile Join Date: Oct 2009 Location: SW Virginia USA Posts: 6,314	Re: 23hp cam in 18 vanguard I don't think you need a billet flywheel to install the high torque starter... http://www.buggiesgonewild.com/big-b...e-starter.html

02-10-2015, 07:13 AM	#4
LostHusker Just one day at a time Join Date: Sep 2009 Location: South TX Posts: 8,650	Re: 23hp cam in 18 vanguard I have the 23 cam in my 18 B&S, but I have the electric start...

02-10-2015, 11:15 AM	#5
pleighdammet Professional jerry rigger Join Date: May 2012 Location: illinois Posts: 337	Re: 23hp cam in 18 vanguard ive been wrong before and i might be now, but i dont think a billet flywheel adds any hp. you would probably rev faster with less rotating weight and they are definitely less prone to flying apart at high rpms. not sure why you would need one for a high torque starter, ring gear should be the same. no idea about charging. im guessing you have another issue tho if youre finding it that hard to turn over

02-10-2015, 04:04 PM	#6
bajarebel1 Gone Wild Join Date: Nov 2008 Location: Texas Hill Country Posts: 426	Re: 23hp cam in 18 vanguard so what high torque starter does everyone recommend for use on stock flywheel with aluminum ring gear?

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02-10-2015, 04:08 PM	#7
Andy4639 48/400/Alltrax HS motor Join Date: Jan 2007 Location: Liberty SC, Garden City SC Posts: 6,190	Re: 23hp cam in 18 vanguard Here is the one most of us have. I just installed this a few weeks ago on mine and man what a difference it makes. http://www.buggiesgonewild.com/big-b...e-starter.html

02-10-2015, 05:33 PM	#9
1989Marathon Gone Wild Join Date: Oct 2010 Posts: 6,730	Re: 23hp cam in 18 vanguard The motor shouldn't turn over any harder with a stock 23 cam than it did with the 18 cam. Does the 23 cam still have the compression release balls in the exhaust lobes? Is the de-compression weight, spring, and pin still installed in the cam?
1989Marathon Gone Wild Join Date: Oct 2010 Posts: 6,730

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