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Bracket Talk Bracket Talk Forum Tech Talk - by Abruzzi Mechanical pump and carb?Go | New | Find | Notify | Tools | Reply | |
| Mechanical pump and carb? | Login/Join |
| DRR Sportsman |
Thinking about putting a gas carb on the injected motor for a couple fall/winter races. Car is setup with enderle belt pump for injection. Actually, the fuel pump is from the blower motor but I have a big pump sizer loop already to run the injection. I’ve never tried his before and not sure how much I would need to change to bolt a carb on. It seems like I can just put a lightweight return spring in the main poppet and then run a main jet that keeps system pressure around 10 psi? Then just tee off where the metering valve used to be? I think I still have a couple decent fuel pressure regulators from when I used to run carbs a while back but if I’d prefer to run without a regulator if I can control pressure with just the poppet. | ||
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DRR Pro |
I'd think with a quality return style regulator you should be fine. Mark Goulette Owner/Driver of the Livin' The Dream Racing dragster www.livinthedreamracing.com "Speed kills but it's better than going slow!" Authorized Amsoil Retailer | |||
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| DRR Trophy |
Yep. When done right, this setup is better than any. Mike Laws Performance | |||
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| DRR S/Pro |
I use to do this with a 13 gpm enderle pump, ran it on a blown alky setup, changed the plumbing and added my Aeromotive regulator and carb and ran it on a 1000hp 582 on gas J.R. Baxter ""Fathom the hypocrisy of a Government that requires every citizen to prove they are insured ..but not everyone must prove they are a citizen." 2024 Miller Rolla Competition Engines ProCharger Hoosier Tires Abruzzi | |||
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| DRR Trophy |
Return regulator and a large return line to the tank....With a strong fuel pump a -10 return line is a must...Big part of the equation....to set it up right.. | |||
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| DRR Sportsman |
Thanks guys. After I posted I found where Koehler explained it in another thread. He said no regulator needed. I already have 2 #6 return hoses, pretty close to a #10 I think. Seeing as I need less than 1/4” pill per return to get down to 10 psi, I’m not sure why I would need a bigger hose? | |||
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Bracket Talk Bracket Talk Forum Tech Talk - by Abruzzi Mechanical pump and carb?
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