I need a new engine
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Elder User
Joined: Sep 2005
Posts: 647
Likes: 3
From: Brumley, MO
I need a new engine
My back cylinder has 0 compression so I need a new engine. All I am finding cheap are EFI engines. My question is if a decent carb engine doesn't come up what can I do about the lack of fuel pump provisions on the EFI motor?
Posting Guru
Joined: May 2004
Posts: 2,161
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From: Prince George, B.C.
Electric pump mounted on the frame by the tank and good to go.
Carter GP4070 - Carter Universal Rotary Vane Electric Fuel Pumps - Overview - SummitRacing.com
Mount the pump with the 3 studs on the top and they usually last a long time.
Carter GP4070 - Carter Universal Rotary Vane Electric Fuel Pumps - Overview - SummitRacing.com
Mount the pump with the 3 studs on the top and they usually last a long time.
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Elder User
Joined: Sep 2005
Posts: 647
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From: Brumley, MO
Switching to EFi would just be a big PITA. I am already invested in the carb anyway with the 4bbl intake, and I think the carb engines perform better anyway. 351M Will that fuel pump be able to feed to a carb or is it a high psi.
Fleet Mechanic
Joined: Jul 2011
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Just because it has 0 compression doesn't mean you need a new engine.
Have you pulled the head and checked the valves and valve seats? Could be you just need a valve job. You could also just need a re-ring job or just need the bottom end refreshed.
If anything else, it could be something like a sticking valve that won't close, or a bent valve stem. Maybe even a blown head gasket.
Not saying you haven't, but I'd investigate a little better before going the new engine route, for the sake of saving money.
Have you pulled the head and checked the valves and valve seats? Could be you just need a valve job. You could also just need a re-ring job or just need the bottom end refreshed.
If anything else, it could be something like a sticking valve that won't close, or a bent valve stem. Maybe even a blown head gasket.
Not saying you haven't, but I'd investigate a little better before going the new engine route, for the sake of saving money.
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Postmaster
Joined: Dec 2006
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From: Spokane, WA
Since you are going carbed it is no longer an EFI engine and the EFI ignition system won't work. If you were staying with EFI, the DS2 won't work.
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Joined: Sep 2010
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From: Monmouth County, NJ
Hey, 5-cyl isn't a terrible engine configuration 
Sticky valve is my vote. $35/ 8 hour fix.
Be aware that the EFI has a different CR and chamber than your old engine. But it would be pointless to use your old head with the new engine because it sounds like a 75% chance whatever is causing 0psi is in the old head.
Sticky valve is my vote. $35/ 8 hour fix.
Be aware that the EFI has a different CR and chamber than your old engine. But it would be pointless to use your old head with the new engine because it sounds like a 75% chance whatever is causing 0psi is in the old head.
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Elder User
Joined: Sep 2005
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From: Brumley, MO
Well the mechanic said my sparkplug was bent from the inside as if something went through the motor. If something went through the motor he, and I both suspect it did serious damage. I also have a pretty high mile engine so I kind of want to find a lower mileage used one anyway.
Fleet Mechanic
Joined: Jul 2011
Posts: 1,916
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Well the mechanic said my sparkplug was bent from the inside as if something went through the motor. If something went through the motor he, and I both suspect it did serious damage. I also have a pretty high mile engine so I kind of want to find a lower mileage used one anyway.
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