Search found 106 matches

by Gordon Duax
Tue Jul 08, 2008 9:30 pm
Forum: General Discussion
Topic: Tillerton HR's
Replies: 2
Views: 3376

Re: Tillerton HR's

McBob,
Have you checked the pop-off pressure on them,
and the falcrum height ?
Many times a little more pop-off pressure, or lower falcrum height will correct an issue like that.
by Gordon Duax
Sun Jun 29, 2008 11:22 am
Forum: General Discussion
Topic: my fav wb820
Replies: 11
Views: 11335

Re: my fav wb820

OK, more 820 secrets. Not really illegal, but definitely in the gray area. WKA had a rule that you could not turn down the screws used on the coil, or stator plate, to limit advance. If you run really big point gap, the coil would get out of sync with the flywheel magnets, you have little dwell time...
by Gordon Duax
Thu Jun 26, 2008 11:25 am
Forum: General Discussion
Topic: my fav wb820
Replies: 11
Views: 11335

Re: my fav wb820

Butch, About 18 or so years ago when my son was running Jr. Sportsman with an 820, (everyone else was running that little stinking over priced POS 80cc DAP), and had very good results with it. We had to run a really thick head gasket, had to have half the reed cage blocked off, and had a maximum gea...
by Gordon Duax
Tue Jun 24, 2008 4:56 pm
Forum: General Discussion
Topic: my fav wb820
Replies: 11
Views: 11335

Re: my fav wb820

Are you talking about this auction?: http://cgi.ebay.com/ebaymotors/Vintage-Kart-NOS-2-Original-West-Bend-820-Engines_W0QQitemZ200233537538QQihZ010QQcategoryZ107068QQssPageNameZWDVWQQrdZ1QQcmdZViewItem If so those carbs are the latest HL Tillotsons. Something like HL375s. They have the newer 'consta...
by Gordon Duax
Fri Jun 20, 2008 9:27 am
Forum: General Discussion
Topic: Porting a Mac Engine
Replies: 11
Views: 10827

Re: Porting a Mac Engine

Bob,

I still think you should try one of my little superchargers.....
by Gordon Duax
Fri Jun 20, 2008 9:23 am
Forum: General Discussion
Topic: Porting a Mac Engine
Replies: 11
Views: 10827

Re: Porting a Mac Engine

Bob, If anyone tries to put this into a 100 word post, they probably will be skipping something............. I suggest you pick up a copy of Gordon Jennings 'Two Stroke Tuner's Handbook'. The blow-down time effects power band width (RPM range). But here is a lot more involved than just the actual ti...
by Gordon Duax
Wed Jun 18, 2008 11:40 am
Forum: General Discussion
Topic: McCulloch volume tuned exhaust mufflers
Replies: 6
Views: 6945

Re: McCulloch volume tuned exhaust mufflers

Do you want to sell them, or one, if they can be cut apart ?
by Gordon Duax
Tue Jun 10, 2008 11:15 pm
Forum: General Discussion
Topic: McCulloch volume tuned exhaust mufflers
Replies: 6
Views: 6945

Re: McCulloch volume tuned exhaust mufflers

Have a picture ?
by Gordon Duax
Thu May 22, 2008 9:21 pm
Forum: General Discussion
Topic: Were's all the Mac spares gone.
Replies: 5
Views: 5609

Re: Were's all the Mac spares gone.

Maybe we should all stop bitching. Yes, there has been problems, but....... There has been time that I have thought about calling up the local scrap yard, and unloading inventory just to spite some of the A wholes I have to deal with on eBay. I have thrown some of it away, and given other stuff to l...
by Gordon Duax
Thu May 22, 2008 9:10 pm
Forum: General Discussion
Topic: Mac Rod Offset?
Replies: 6
Views: 6658

Re: Mac Rod Offset?

It's not supposed to be..........