edelbrock carb cutting out on incline

[SOLSAKS]

i have a new edelbrock carb and edelbrock AMC intake on my 360
in a 1988 wagoneer

i also have an edelbrock carb and intake on a 1978 K5 Blazer 1978

both have an issue of cutting out or bogging down on a slight incline on the highway when accelerating.

like i said, only a slight incline...
i can crank up and pull out of girlfriends driveway
start up the road, and if you are accelerating fairly hard
both the carbs cut out on me.....

i have to take my foot out of the accelerator
and barely give it gas to stop the bucking

both carbs perfrom well otherwise on flat roadways

has anybody else experienced this
and is there any solution,...other than fuel injection ?

dave in NC

[babywag]

The only Edelbrock I owned was a horrible carb on anything other than flat pavement. Just going over small bumps the thing would act up.
I'd imagine if I had ever taken it offroad it would've been terrible.

There is an offroad needle/seat kit for them, might help you??

I vote EFI anyway, not an Edelbrock carb fan

[joe]

Never had the issue on "slight inclines?" But Edelbrocks are crap on steep inclines or off camber. It's a street carb not off road. They sell a so called "offroad" kit for the 1405/6. Never did squat for mine in the woods but may help your street use rig?
I eventually got fed up playing with the 1405 and swapped on a Rochester QJ. Worked great in the woods and on the street but QJ's have their own tuning grief. If I were to do it again I would research which Holley would be best for your 360 and intended use. For mostly woods, mountain etc use I'd go back to a MC2150 2V carb. It'll handle inclines/off camber better than practically any 4V carb. No you won't have the bar stool racing cred with a 2V as you will saying you have a 4V but the damn thing will be running while the 4V boys are standing there cussing cause their motor is flooded. For "slight incline" issues I'd start with checking the float circuit is in spec and maybe try the off road kit? Other than that I got nutin except researching a better carb replacement.
IMHO the only reason Edelbrocks are as popular as they are is cause for a brand new 4V replacement is they're cheap. As I get older and still learning I'm appreciating Ristows thoughts on Edelbrocks...they make good wheel chocks.

[Ristow]

sounds like low fuel level in the bowl. maybe weak delivery from pump.. check float height and fuel supply.

[Carnuck]

The bouncy spring for the needle and seat help a lot off road in bumpy situs.

[SOLSAKS]

10-4 on all the helpful info.

thanx to all who replied.

dave in NC

[440sixpack]

The Edelbrock is simply a Carter which was used in factory applications for years. they work for all practical applicarions.
they accel at nothing, but they work.

The float level would be the place to start. I don't know how you adjust it on a Carter but on a Holley it would take 13 seconds. have fun.

I don't know exactly what your symptoms are but don't rule out timing. on a slight incline when you open the throttle you drop your vacuum advance out and retard the timing. if it's running retaded anyway the vacuum drop could cause it to run like a dog.

[SOLSAKS]

440 six pack

thanx for the advice

i have thought of timing before,.....
especially on the wagoneer,.....

cause sometimes it sounds like a popping back sound
as opposed to a bogging down or starving for fuel sound

and the 360 has never seemed to have full power
feels weak,.....it only has approx 5,000 miles on the rebuilt engine.

and the edelbrock on the 78 K5 blazer
last night accelerating on the incline, it did not bog or cut out
it does it occasionally but the wagoneer almost every time.

i am not opposed to buying a holley, and,.....
i would do EFI but the talk of failure, tuning with timing, ECM overheating,
and the question of what the best brand and design is,....
etc, etc,....has me gun shy to try it.

thanx again.
dave in NC

[Ristow]

if the bowl is low it will pop thru the carb. lean pop.


i think edelbrocks are crap but thats not your problem.

[SOLSAKS]

what is a good 4 bbl replacement carb ?

[wiley-moeracing]

never really had a problem with the edelbrock, even used 1 a couple of times racing and it worked good, it's all in how you tune and setup.

[DBX11]

Check the floats if I remember there are two specs for them one for the hanging low height and one for the floating/full height. I think they will droop out of spec if the bowl sits empty for a period of time.(storage)

[440sixpack]

I would check the float level before I bought a new carb, unless you want a new one anyway.

I put a new 4160 ( 600 ) on my slightly built 360 and it works perfect. I don't mean good I mean PERFECT on this application right out of the box. I planned on tuning on it but I didn't need to do a thing. there is Holley and then there is other crap, that's just an opinion but it's how I feel.


as far as timing goes when you're ready to do that get a dial back and do it right. it can make all the difference in the world.