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post #1 of (permalink) Old 12-19-2000, 12:39 PM
MarkF
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Holley Carbs offroad - Any way to improve

I have a holley 4 barrel on a Chevy 350 in my CJ7. I recently purchased this CJ and haven't taken it offroad yet. Someone said that the Holly's are notoriously bad offroad and that there must be somethings that can be done to improve it.

Anyone have any specific recommendations, so that I don't keep having problems on the trail because of the carb?

Thanks
Mark F

1986 CJ7, Chevy 350, D44/D30, more to come shortly
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post #2 of (permalink) Old 12-19-2000, 12:54 PM
**DONOTDELETE**
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Re: Holley Carbs offroad - Any way to improve

The most common fix on Holleys is lowering the float level. Holley makes an off-road kit for their carbs, may be something to check into. BUT, start with lowering the float.

Brad
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Vice-Pres. Rock Garden 4 Wheelers, Farmington, NM
post #3 of (permalink) Old 12-19-2000, 02:00 PM
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Re: Holley Carbs offroad - Any way to improve

actually.. i have done all that.. i have the offroad kit..it comes with spring loaded needle valves and some other goodies. i also lowered the floats, and extended the vent tubes...and it doesn't run anywhere near as well as jeepgods stock q-jet.

~~Elusive~~
tj-7..tellico tested, uwharrie safaried..watch for improvements soon[img]/wwwthreads_images/icons/tongue.gif[/img]..see it at http://www.jeepgod.net
oh yeah, and a 2000 tj, 4.0, dana 44, nv3550
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post #4 of (permalink) Old 12-19-2000, 02:12 PM
MarkF
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Re: Holley Carbs offroad - Any way to improve

Elusive,

Got any part numbers (and where) for the off-road kit? I can't find it on any websites.

While it may not be as good as other carbs, did you notice any improvement? Was the cost justified?

Thanks
Mark F

1986 CJ7, Chevy 350, D44/D30, more to come shortly
post #5 of (permalink) Old 12-19-2000, 03:16 PM
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Re: Holley Carbs offroad - Any way to improve

Mark, been there done that, and still it would not perform to my expectations.I have a set of off-road needles and seats in my garage that I used for a while. Chris is right about the Q-jet it works excellent in the off camber positions. I did get a center hung float Holley for a while and it still was not great. It really depends on what you expect from your carb. If you do a little off camber stuff these neeedles and seats work ok.You will also need to extend the float bowl vents with some flexible fuel hose. But if you want to go wild get a Q-jet or a Projection unit.I will see where the off-road kit is hiding. Let me know if you might be interested in it. Ricky...seeya...

CJ-7,401,T-18,Pro-Jection,Dana 60's,38" Hawgs, 4" SOA, soon Detroits...
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