Mac 49E Carb

Post all your vintage karting messages here in the General Discussion Forum

Moderator: Rob Voska

Post Reply
Terry Armstrong
Posts: 40
Joined: Thu Jun 28, 2007 12:31 pm
Vintage Karting items owned: (2) 63 Bug Wasps, Mc9 & West Bend 500 . 72 Bug Stinger, Mc49E.
User Agreement: Yes

Re: Mac 49E Carb

Post by Terry Armstrong » Thu Sep 15, 2011 12:37 pm

Steve,

Reading your last post, I forgot to mention that I'm using a GEM box muffler with our engine.
If you're using a pipe, I'll bet you'll need more fuel!

Another thing that may have affected the way the engine runs is the amount of Ethanol that is now in our fuels! When this engine was built (1974), the gasoline available did not have ANY Alcohol fuel added and was probably containing some lead!

Let me know how your engine runs when you get it tweaked. ;)

Terry
Top
John Fields
Posts: 4
Joined: Wed Jan 26, 2011 2:25 am
Vintage Karting items owned: None
User Agreement: Yes

Re: Mac 49E Carb

Post by John Fields » Wed Sep 21, 2011 12:12 am

Hey Steve,
My first kart was a 66-68 Lancer with a Mc49E back around 71 or 72. i ran in the rookie class using Hartman oil clutch and Kendick pipe. My dad and all his buddies tried to get that thing to work with that carb. We had zero luck. Changed the carb to a Mc49C carb and low and behold it was like a different motor. Easy to tune and fast runner. Won the 73 or 74 IKF divisionals, can't remember which, sorry. I know you are very good with Macs, but in my opinion, don't use the 49E carb.
all the best
Timmy
Top
Post Reply

Return to “General Discussion”