fuel psi ?s

Mulvaney · 5/30/12, 10:59 PM

does any one know what kind of fuel pressure a 750 carburated engine should have and also what would make it stumble on take off and then almost sound like it has ran out of gas untill about mid turn? any help is greatly appreciated

DAD · 5/31/12, 1:02 PM

Quote:

Originally Posted by Mulvaney

does any one know what kind of fuel pressure a 750 carburated engine should have and also what would make it stumble on take off and then almost sound like it has ran out of gas untill about mid turn? any help is greatly appreciated

About 2 or 3 psi.

You will need a low pres pump and regulator. You cain't use a fuel injection type pump.

Usually stumble means your c/v pistons arent lifting properly, sticking pistons, springs missing, torn diaphrams, stopped up vents.

Thought we would see you last Fri.

Honest Dad himself

Mulvaney · 6/1/12, 1:20 PM

couldn't get a raceiver. are you guys still on at brownstown tommorrow non wing?

---------- Post added at 1:20 PM ---------- Previous post was at 1:19 PM ----------

also i am having to get a new rr tire due to rule change we have to run sp-2 there now so two problems i gotta fix asap.

Bill May · 6/1/12, 3:03 PM

The MMSA is winged sat. June 2nd, NON-WING June 16th both at Brownstown, IN you do need a raceceiver at Brownstown. Hope you come out and race with us. no tire rule.

Bill May

Mulvaney · 6/2/12, 9:55 AM

thanks bill you don't know anyone who has a extra reciever do ya?

6/1/12, 3:03 PM	#4 Re: fuel psi ?s
Bill May Senior Member Join Date: Aug 2007 Posts: 982	The MMSA is winged sat. June 2nd, NON-WING June 16th both at Brownstown, IN you do need a raceceiver at Brownstown. Hope you come out and race with us. no tire rule. Bill May _________________________________________________ Last edited by Bill May; 6/1/12 at 3:04 PM. Reason: additional info

5/30/12, 10:59 PM	#1 fuel psi ?s
Mulvaney Member Join Date: Jul 2011 Posts: 168	does any one know what kind of fuel pressure a 750 carburated engine should have and also what would make it stumble on take off and then almost sound like it has ran out of gas untill about mid turn? any help is greatly appreciated

6/1/12, 1:20 PM	#3 Re: fuel psi ?s
Mulvaney Member Join Date: Jul 2011 Posts: 168	couldn't get a raceiver. are you guys still on at brownstown tommorrow non wing? ---------- Post added at 1:20 PM ---------- Previous post was at 1:19 PM ---------- also i am having to get a new rr tire due to rule change we have to run sp-2 there now so two problems i gotta fix asap.

6/2/12, 9:55 AM	#5 Re: fuel psi ?s
Mulvaney Member Join Date: Jul 2011 Posts: 168	thanks bill you don't know anyone who has a extra reciever do ya?