Author Topic: Hard to start  (Read 12177 times)

Offline masracingtd1167

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  • Your Best Time: 7.40's at 181 on motor 6.94 at 192 nitrous
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Re: Hard to start
« Reply #15 on: April 23, 2016, 06:08:27 AM »
Scott I use the Rons Primer plus with a single nozzle in the center of my tunnel ram manifold . I have it hooked up with a push button switch so I can push it a few times to keep the motor running if it starts to die out . I empty out my fuel system after a race so the first start up at the next race I have to prime it quite a bit to get the fuel lines full . After the car if warmed up it will only take a couple of like 1 second taps on the button to fire it .   

Offline spitzerscott

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Re: Hard to start
« Reply #16 on: April 23, 2016, 09:25:10 AM »
I have mine plumbed into my distribution block, I hooked a fuel pressure to the primer line and my small electric pump is making 8psi.  On top of that I am running it through .028 nozzle jets.  Wondering if that's enough psi?   By the way, 336C.I. SBC.

Offline masracingtd1167

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Re: Hard to start
« Reply #17 on: April 23, 2016, 11:13:44 AM »
are you priming with gas or alky ? If it is cold out it's harder to get alky to light ! My system is totally separate from my main fuel system and I use a small little 1 quart tank for gas 

Offline spitzerscott

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  • Your Best Time: 5.73@118.80
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Re: Hard to start
« Reply #18 on: April 23, 2016, 04:44:53 PM »
I have tried both, plan on using Alcohol, as that is what's in the lines anyway.  My set-up looks pretty much like the pic.

Offline spitzerscott

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Re: Hard to start
« Reply #19 on: April 29, 2016, 11:03:26 AM »
Do you guys start priming before you start cranking, or prime and crank at the same time?

dreracecar

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Re: Hard to start
« Reply #20 on: April 29, 2016, 11:16:15 AM »
Prime- spin- ign, at least thats how we do the blown cars

Offline spitzerscott

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  • Your Vehicle: Spitzer225 RED, Alcohol SBC
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Re: Hard to start
« Reply #21 on: April 29, 2016, 11:40:10 AM »
I had another thought, didn't hurt much,  I come out of my fuel tank, under/behind seat, into a 2" diameter 12" long stainless steel fuel filter, and then about a 16" long -10 line to my pump.  Could this fuel filter be making it harder to start? I have read some of you do not run a filter between tank and pump.

Offline Paul New

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Re: Hard to start
« Reply #22 on: April 29, 2016, 12:21:11 PM »
If you are priming your car it should start on that; yes quite a few of us do not run filters. I did run a filter between my tank and pump back when I was injected and had zero starting issues. with multiple connection points you could be getting an air leak which I think would just lean you out not make it hard to start.... maybe