well i have tried it all, timing, carb, rebuilt it thought maybe the power valve, but still no go.. i still have this persistent hesitation only on off idle....i have tried advancing timing no go, richen up the card,no go....and my advance appears to be working fine...any tips..I am thinking a bad carb? or a distributor..

If it aint broke, lets modify it!

1962 Galaxie 500 Town Victoria 4dr. 292 with a nice mild cam.

Salinas California.

You don't say what kind of carb you have,but I'd guess a Holley.That stumble is almost a standard Holley feature.

 

Paul,

Boonville,MO

gentz: For a start, it would be helpful if you told us what make & model of carb...

Paul

What carb and if a Holley, what list number?  What distributor?  Electronic or points ignition?  Ported or full vacuum to the distributor?  Standard or automatic transmission?  What’s the initial timing set on?  Has the distributor curve been verified as working with a timing light?  Were both the mechanical and vacuum ignition advance mechanisms verified as working independently of each other?

 

Like the other forum members have requested, more information is needed.  This can be the result of multiple causes and all be intertwined.

Lorena, Texas (South of Waco)

Have you checked the dwell.  Sometimes it's the simplest things.  I usually set point gap with a dime but if I don't have one I use 2 nickels!!

Timbo, is that your 2 cents worth?

  AussieBill            YYYY    Forever Y Block     YYYY

 Down Under, Australia

I used to set mine with a book of matches but now have to use a Bic lighter.

All kidding aside, point gap/dwell and spark plug gap make a world of difference and when changed then you normally have to adjust timing and carb to match.

55 Vicky & customline

58 Rack Dump, 55 F350 yard truck, 57 F100

59 & 61 P 400's, 58 F100 custom cab, 69 F100, 79 F150, 82 F600 ramp truck, 90 mustang conv 7 up, 94 Mustang, Should I continue?

ok its stock 62 292, the original 2 bbl, the original distributor with accel pointless kit...

If it aint broke, lets modify it!

1962 Galaxie 500 Town Victoria 4dr. 292 with a nice mild cam.

Salinas California.

I would suspect the accelerator pump in this case. Try seeing if the pump is working by manipulating throttle with the engine and ignition off. You should be able to see two fuel streams in the carb when you open the throttle, (obviously you'll need to remove the air cleaner first). DON'T try this with it running, unless you need your eyebrows burnt off.  This is a common problem with today's gasoline and the ethenol in it.

Frank/Rebop

Bristol, In ( by Elkhart) 

[quote]Y block Billy (5/6/2010)

---

All kidding aside, point gap/dwell and spark plug gap make a world of difference and when changed then you normally have to adjust timing and carb to match.



Interesting. I have noticed since installing dual points (more dwell) last month, I have a slight hesitation. As pump-cup was new last fall, and no gas stabilizer was used (unless alcohol ruined already), I likely need to play with the idle settings. Curious though, why more dwell might cause it?

6 VOLTS/POS. GRD. NW INDIANA