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weber on a 258 
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PJI
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Joined: Thu Sep 02, 2010 9:36 pm
Posts: 638
Location: Shrewsbury, MA
Post weber on a 258
I've got a weber on my 258 no return line and 7 fuel pressure Weber says no more then 3.5
So I added a fuel pressure regulater off the carb and set a 3.5. Does anyone else run a set up like this?
What pressure do you run onroad? and off-road?

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PatriotJeepers 86 CJ7
258, T18, Scout Dana 300 twin stick,Dana 44's, lockers
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Sun Feb 24, 2013 11:36 am
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PJI
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Joined: Thu Sep 02, 2010 9:36 pm
Posts: 638
Location: Shrewsbury, MA
Post Re: weber on a 258
I e-mailed Weber and got a great e-mail from Bud he says to run your weber at 2.5 and as low as 1.5 off-road.

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PatriotJeepers 86 CJ7
258, T18, Scout Dana 300 twin stick,Dana 44's, lockers
4wd Disc,35" BFG KM2's,8274 Warn winch, full cage ,OBA


Mon Feb 25, 2013 7:55 pm
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PJI
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Joined: Thu Sep 02, 2010 9:36 pm
Posts: 638
Location: Shrewsbury, MA
Post Re: weber on a 258
I've been running it for a while now just remember to turn it back up when you are back on road.

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PatriotJeepers 86 CJ7
258, T18, Scout Dana 300 twin stick,Dana 44's, lockers
4wd Disc,35" BFG KM2's,8274 Warn winch, full cage ,OBA


Sun Nov 10, 2013 9:44 pm
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JT4x4
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Joined: Mon Oct 06, 2014 8:44 am
Posts: 50
Post Re: weber on a 258
I run the same thing, I need to tune the carb a little better, but ran it at 3.5 PSI off road and on, and I kept stalling out.
Chuck

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Wed Oct 08, 2014 12:57 pm
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PJI
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Joined: Thu Sep 02, 2010 9:36 pm
Posts: 638
Location: Shrewsbury, MA
Post Re: weber on a 258
you want to run it at 1.5 offroad and don't forget to put it back to 3.5 when you return to pavement.

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PatriotJeepers 86 CJ7
258, T18, Scout Dana 300 twin stick,Dana 44's, lockers
4wd Disc,35" BFG KM2's,8274 Warn winch, full cage ,OBA


Wed Oct 08, 2014 7:29 pm
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LIOR
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Joined: Mon Oct 05, 2009 9:08 pm
Posts: 755
Post Re: weber on a 258
If you forget, the engine will send a reminder when you go full throttle to accelerate or climb a hill. Once the float bowl empties the air:fuel ratio will skyrocket.

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Thu Oct 09, 2014 7:55 am
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JT4x4
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Joined: Sun Oct 18, 2009 7:43 am
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Post Re: weber on a 258
howler4x4 wrote:
If you forget, the engine will send a reminder when you go full throttle to accelerate or climb a hill. Once the float bowl empties the air:fuel ratio will skyrocket.


LOL

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Thu Oct 09, 2014 6:47 pm
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JT4x4
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Post Re: weber on a 258
Good to know, Thanks for the tip!
Chuck

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Fri Oct 10, 2014 8:09 am
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