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crushie
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Location: alberta
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aeromech
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Location: San Diego, California
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 Posted: Mon Jul 11, 2016 5:34 pm Post subject: Re: Carb instead of fuel injection |
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There's more interest here than I expected so here ya go.
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SGKent 
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Location: Citrus Heights CA (Near Sacramento)
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| Posted: Mon Jul 11, 2016 6:33 pm Post subject: Re: Carb instead of fuel injection |
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the reason I asked is it seems stupid for me to pay extra to him for a pressure regulator value that doesn't work in the application. He could put a ball valve and brass orifice in that would limit flow for cheaper than adding the pressure regulator.
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aeromech
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Joined: January 24, 2006
Posts: 16970
Location: San Diego, California
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| Posted: Mon Jul 11, 2016 6:38 pm Post subject: Re: Carb instead of fuel injection |
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I hear you but I doubt the regulator is more than a few bucks at Home Depot. For me, I just put the unit to work and used what I had available to throttle the air. You have the link. Let me know what the seller says
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Lead Mechanic: San Diego Air and Space Museum
Licensed Airframe and Powerplant Mechanic
Licensed Pilot (Single engine Land)
Boeing 727,737-200-300-400,757,767
Airbus A319,320,321
DC9/MD80
BAe146
Fokker F28/F100
VW type 1 1962,63,65,69,72
VW Type 2 1971 (3 ea.) 1978, 1969
VW Jetta
VW Passat
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SGKent
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Joined: October 30, 2007
Posts: 41031
Location: Citrus Heights CA (Near Sacramento)
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| Posted: Mon Jul 11, 2016 8:43 pm Post subject: Re: Carb instead of fuel injection |
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Here is what the seller indicates for anyone else thinking of buying one:
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| The output is fixed. The regulators are set with a max input of 150 psi. It should be able to handle that input, but the closer to that max, the more likely it is to pop the lid. It is possible to add an additional online regulator, but I would recommend using the supplied regulator as well, as most can not go down to the 1 PSI range. |
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BayCreamPuff
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Joined: August 10, 2015
Posts: 769
Location: Oakland, CA
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| Posted: Mon Jul 11, 2016 8:52 pm Post subject: Re: Carb instead of fuel injection |
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Hooked my homemade one up to an air mattress electric pump. Works great. No regulator required. Runs off batteries or 12VDC.
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beetleman217
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Joined: April 03, 2011
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Location: Canada
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| Posted: Mon Jul 25, 2016 9:15 am Post subject: Re: Carb instead of fuel injection |
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| SGKent wrote: |
| I'd start by spending $10 on new injector seals and see if that doesn't resolve the issue. Every single box of FI parts off a bus I've bought because the owner gave up on FI had rotted injector seals that were leaking. $10 in seals and 20 minutes in work might have fixed their issue. |
Are fuel injector seals part of the engine gasket kit? I can't find them as a standalone item.
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SGKent
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Joined: October 30, 2007
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Location: Citrus Heights CA (Near Sacramento)
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| Posted: Mon Jul 25, 2016 11:16 am Post subject: Re: Carb instead of fuel injection |
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| beetleman217 wrote: |
| SGKent wrote: |
| I'd start by spending $10 on new injector seals and see if that doesn't resolve the issue. Every single box of FI parts off a bus I've bought because the owner gave up on FI had rotted injector seals that were leaking. $10 in seals and 20 minutes in work might have fixed their issue. |
Are fuel injector seals part of the engine gasket kit? I can't find them as a standalone item. |
lower (need 4)
http://www.busdepot.com/311133261
upper (need 4)
http://www.busdepot.com/311133263
O'Reillys and Napa also show them online but say check local stock.
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Randy in Maine
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beetleman217
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Location: Canada
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| Posted: Mon Jul 25, 2016 12:47 pm Post subject: Re: Carb instead of fuel injection |
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Anyone has a picture of where these go?
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Randy in Maine
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Location: The Beach
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| Posted: Mon Jul 25, 2016 12:57 pm Post subject: Re: Carb instead of fuel injection |
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Essentially they are just 2 O rings. One big and one small. Observe the bottom picture.....
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curtp07
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Posts: 874
Location: Mass
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| Posted: Mon Jul 25, 2016 1:17 pm Post subject: Re: Carb instead of fuel injection |
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The FI system is simple.
New harness
New fuel line kit
Injectors tuned
New CSV
Test other components
Don't mess with vacuum leaks..all new hoses and rubber there and you won't have to bother.
Took a trashed 75 system rebuilt it, didn't have to do much troubleshooting now it's on the road.
Start with garbage....end with garbage. That simple.
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beetleman217
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Location: Canada
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| Posted: Mon Jul 25, 2016 1:22 pm Post subject: Re: Carb instead of fuel injection |
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Ok great advice here. I'm gonna give the FI my best shot.
What is a CSV?
How do I tune the injectors?
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Randy in Maine
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Location: The Beach
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| Posted: Mon Jul 25, 2016 1:41 pm Post subject: Re: Carb instead of fuel injection |
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Normally we just send off the injectors for cleaning and calibration. They come back with new seals and new "short hoses". About $100 to have all of them done. Plan on replacing all of the fuel lines while you are there anyway. I also replace the 4 intake runner hoses at the same time.
I send my CSV (cold start valve) off also since it is commonly referred to as the 5th injector. They clean it and make sure it doesn't leak.
I use:
http://cruzinperformance.com/
http://www.witchhunter.com/ |
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