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Unread 01-25-2018, 07:39 AM   #11
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Default Re: Carb question

If you have 0 compression in one whole, something broke. could be a valve. I would turn the engine over with the valve cover off and take a look at the valve train as it rotates!

As far as the rebuild goes its not difficult at all, if you know how an engine works!!

You will need
inch pound torque wrench
Hone
just normal hand tools

rebuild kit about $325 new pistons, rods, valves gaskets.
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Unread 02-02-2018, 11:52 AM   #12
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Default Re: Carb question

Quote:
Originally Posted by Gearhead1956 View Post
If you have 0 compression in one whole, something broke. could be a valve. I would turn the engine over with the valve cover off and take a look at the valve train as it rotates!

As far as the rebuild goes its not difficult at all, if you know how an engine works!!

You will need
inch pound torque wrench
Hone
just normal hand tools

rebuild kit about $325 new pistons, rods, valves gaskets.
Well i pulled the head and the valves were perfect..... Seems i broke a connecting rod. One piston is frozen. I can not budge it. Funny it ran pretty good on one cylinder. So I'm done. I'll pull it tonight and put most of it back together. Leaning towards the 375 from ctrebuilds. I spoke to carrie today and she recommended it due to the 23" tires and hills at my campground. Anyone have experience with the 375?

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Unread 02-03-2018, 09:16 PM   #13
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Default Re: Carb question

Quote:
Originally Posted by stevedjarrell View Post
Well i pulled the head and the valves were perfect..... Seems i broke a connecting rod. One piston is frozen. I can not budge it. Funny it ran pretty good on one cylinder. So I'm done. I'll pull it tonight and put most of it back together. Leaning towards the 375 from ctrebuilds. I spoke to carrie today and she recommended it due to the 23" tires and hills at my campground. Anyone have experience with the 375?

Sent from my SM-N950U using Tapatalk
this is not good news! worse then you think. Hate to be the one to tell you, but there are some things you need to know before you send that engine off.

Rebuild quotes are for wore out engines, broken parts are extra.
your engine running with a broke rod there is a good chance the cylinder wall or the crank received damage, both very expensive. You maybe better off buying a engine that need rebuilt for a core, usually around $200-$250. the crank or case alone will run you more then that. I know a guy in Ga that just pulled a 350 and replace it with a big block, it need rebuilt, it will directly fit your cart. I think he wanted $250 for it. Fit it helps I can try to find him for you.
Let us know what you find out, just curious. Kinda strange a rod broke and didn't lock up the engine! maybe you got lucky!
So you may want to see the damage yourself before you pay to send it off.
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Unread 02-20-2018, 01:44 PM   #14
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Default Re: Carb question

Ok, Sent my Engine off to Ct Rebuilds and got the rebuilt engine back 1 week later. I have installed everything and t runs pretty good. I do have a couple of questions. First, I have been playing with the throttle linkages trying to get it have more of a curve for acceleration. appears that once the throttle hits about 20% open the RPMS go from nothing to full blast until the governor kicks in. Not much in between. Low speed is non existent unless you really concentrate. the Carb is new and the only adjustment I see is the air / gas on top that moves 180% with the plastic stop on it. I am going to assume this is not correct and the rest of you guys get a gradual throttle response? Second, on cold starts I am getting 1 or two small spits (Backfires) thru the carb. Does not happen when wide open, only at low speed or when cold. I checked my Valves and they are set at .006, was wondering what else to check? Going to have a look at the timing tonight to make sure it is on. Since I just got this from an engine builder I would assume it is all correct. Anything else to try before that? As always, thank you guys.
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Unread 02-20-2018, 02:18 PM   #15
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Default Re: Carb question

Not sure on the rest of the cure, but EZGO valves are set to .004". A little there can make a big difference.
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Unread 02-20-2018, 02:29 PM   #16
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Default Re: Carb question

X2 with what Rooster said. Double check them valves.
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Unread 02-20-2018, 03:42 PM   #17
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Default Re: Carb question

ok, I will crank it down to .004. I thought that it was .006 for longer runs? This is a campground use vehicle, so I thought .006 was correct. What about throttle range? If I move the throttle by hand as soon as I move it the rpms run up real fast. Makes 50% of the throttle range useless as they do not change any in the last 50%.
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Unread 02-20-2018, 05:12 PM   #18
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Default Re: Carb question

Check your idle speed setting. Make sure it is backed off so that the engine shuts off before the pedal goes to rest. Also check your accelerator cable adjustment to throttle cable adjustment. It is a little complicated but the owner's manual gives the steps. The PDF should be in the stickies at the top of the gas ezgo forum section.

Having removed the engine, gotten it rebuilt and pumped up, then reinstalled could have lead to something or things needing adjustment from where they were.
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Unread 02-20-2018, 09:14 PM   #19
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Default Re: Carb question

Well, I went back out and worked on the throttle linkages. I originally changed a few things thinking I was doing good. So I opened up the distance on the vertical linkage going to the carb, had tightened it up a little. I also put slack back in the cable going to the governor. Re-gaped the valves and the spark plugs. Also put a little hang in the linkage that runs from the front to the back of the motor. I need to take it out and run it longer but net result is that I did not hear a spit in the 30 seconds it was running, also had an actual curve to the throttle response. I am hoping that is all it was but thank you Rooster59 for the suggestions. I never would have thought those linkages could cause that. I basically returned everything back to the way it was. I only adjusted those to get the pedal to start before being half way depressed. Man I have a lot to learn. Will update tomorrow after I get a chance to run it longer
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Unread 02-20-2018, 10:16 PM   #20
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Default Re: Carb question

Glad to hear you found some improvement. Let us know how that engine performs compared to the original.
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