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Alcohol motors #559398
12/21/09 05:02 PM
12/21/09 05:02 PM
Joined: Dec 2009
Posts: 1
lLas Vegas, Nv
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Prayer Warrior Offline OP
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Prayer Warrior  Offline OP
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Guys, Got a 452" big block that runs on methanol. My problem is getting the car to start after not running for an extended period time, say overnight. It just does`nt seem to fire off as a gas motor. It takes a lot of starts to finally get it to fire up and when does it run and starts as it should. Is this normal for alcohol motors? Anybody got any ideas?

Re: Alcohol motors [Re: Prayer Warrior] #559399
12/21/09 05:16 PM
12/21/09 05:16 PM
Joined: Jan 2003
Posts: 6,314
The Swamp
MegaDart Offline
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do you squirt a couple oz. of gas in for initial startup?? That's all I do with my motors and once they've run a pump or 2 of the throttle and they start right up.

Re: Alcohol motors [Re: MegaDart] #559400
12/21/09 05:29 PM
12/21/09 05:29 PM
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Wheels up, MO
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nhramark Offline
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Wheels up, MO


Just pour/squirt a little gasoline in the carb on the first start up of the day to make your life a lot easier.


[image]http://s1126.photobucket.com/user/nhramark1/library/Racing[/image] 9.100 @ 150 mph 5.780 @ 120 mph
Re: Alcohol motors [Re: Prayer Warrior] #559401
12/21/09 06:39 PM
12/21/09 06:39 PM
Joined: Nov 2003
Posts: 6,293
Rock Springs
Bob_Coomer Offline
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What type of induction? If its a carb..you really shouldn't need to prime..But most mech injection setups like the Flying toilet doesn't have a accelerator pump.So pump the pedal does nothing, and with those mech belt driven fuel pumps, the engine doesn't spin fast enough to prime them up well.


[color:"red"]65 Hemi Belvedere coming soon [/color]
[color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]
Re: Alcohol motors [Re: Bob_Coomer] #559402
12/21/09 08:10 PM
12/21/09 08:10 PM
Joined: Jan 2003
Posts: 6,314
The Swamp
MegaDart Offline
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Quote:

If its a carb..you really shouldn't need to prime.




I run an alky carb and a belt drive pump. Priming with gas REALLY helps starting... eliminated kickback, burned up starters, etc. I do it every time. It also keeps engine running long enough to spin the pump up and fill the bowls.
Alky motors can be cold blooded till they get some heat in them.

Re: Alcohol motors [Re: MegaDart] #559403
12/22/09 07:28 AM
12/22/09 07:28 AM
Joined: Oct 2005
Posts: 976
ontario canada
mac56 Offline
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ontario canada
Quote:

Quote:

If its a carb..you really shouldn't need to prime.




I run an alky carb and a belt drive pump. Priming with gas REALLY helps starting... eliminated kickback, burned up starters, etc. I do it every time. It also keeps engine running long enough to spin the pump up and fill the bowls.
Alky motors can be cold blooded till they get some heat in them.



I have the same set up on the tractor and it always starts better with a shot of gas. Our last pull this year it was only about 5 degrees Celsius and without a shot of gas at that temperature it will start eventually but like Wayne says it is hard on the starter. I usually only give it a shot on the first warm up of the day.

Re: Alcohol motors [Re: mac56] #559404
12/22/09 09:06 AM
12/22/09 09:06 AM
Joined: Jan 2003
Posts: 6,314
The Swamp
MegaDart Offline
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Quote:

I usually only give it a shot on the first warm up of the day.




that is what I meant to say

Re: Alcohol motors [Re: MegaDart] #559405
12/22/09 09:30 AM
12/22/09 09:30 AM
Joined: Sep 2007
Posts: 626
Mid-Ohio
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Bakaruda432 Offline
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Why does Ethanol or Methanol have a hard time lighting and E-85 doesn't?

Re: Alcohol motors [Re: Bakaruda432] #559406
12/22/09 09:54 AM
12/22/09 09:54 AM
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Posts: 10,000
Frostbitefalls MN (Rocky&Bullw...
gregsdart Online content
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gregsdart  Online Content
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Frostbitefalls MN (Rocky&Bullw...
The fifteen percent gas in E85 helps light off the alky.


8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
Re: Alcohol motors [Re: Bakaruda432] #559407
12/22/09 10:50 AM
12/22/09 10:50 AM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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Quote:

Why does Ethanol or Methanol have a hard time lighting and E-85 doesn't?




Even with 15% gas in the E-85 I still have some problems
to get it fired up if its below about 40-45 degrees
without pumping the carb 4-5 times, even then it still
farts back through the carb some..... thats why there
is winter grade E-85(they change the blend to about
E-70... 30% gas for winter)

Re: Alcohol motors [Re: Prayer Warrior] #559408
12/22/09 01:20 PM
12/22/09 01:20 PM
Joined: Feb 2008
Posts: 364
Kentucky
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sc301v Offline
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Kentucky
Just a few questions...I have delt with methanol for a long time now..

What kind of induction setup are we talking and what kind of pump?

Is it hard to start when its warm outside or just cold?

I can take either one of my cars above 45 degrees and start just like a gas motor on the first start of the day no matter how long its been setting and thats without using gas.

Re: Alcohol motors [Re: sc301v] #559409
12/23/09 04:29 PM
12/23/09 04:29 PM
Joined: Apr 2003
Posts: 799
north west LA
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W2DODGE Offline
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north west LA
If you got a good spark methanol should not be too hard to start mine would get a bit hard to start below 30 to 35 degrees but would still start into the mid to upper 20s with no gas

I like my 7AL it will fire about any mixture







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