Making modded fuel rails - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 01-27-2008, 01:12 AM   #21
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Well I didn't get it from intense or pay $349 and this is a brand new one. Yeah, the inlet/outlets are 3/4"
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Old 01-28-2008, 09:40 PM   #22
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Look what I got in the mail today and installed on the rail. Now just to find time to finish the install and see if it actually works after all this work.





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Old 01-28-2008, 10:27 PM   #23
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how much cost in materials are we looking at?
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Old 01-28-2008, 10:32 PM   #24
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LIM mod - machining - $50
LIM intercooler - $75
Hoses - $50
Intercooler rad - $200
Fuel rail mod - $100
Fluid Pump - $150
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Old 01-28-2008, 10:34 PM   #25
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I was asking specifically about the rail since that is what this topic is about. Price breakdown?
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Old 01-29-2008, 12:17 AM   #26
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For the rails:
I was adding it up and without the AN lines I spent about $50 in materials. Then all the AN fittings and adapters, Braided SS lines and the pressure guage were about $80.

I could have made it for about $10 if I made them the same way the Wbody store makes theirs, but I wanted it to be a little nicer and look good too. Overall I spent way less than modded rails from one of the distributors and got an upgrade to AN SS lines too in my opinion.
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Old 02-01-2008, 12:23 AM   #27
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Well I had some time and I knew that it was going to be a big project getting something custom to fit in right so I took a few hours yesterday and today to work on it. I had a couple of issues with the injectors sitting in right and they where leaking when I pressure tested the system, so I had to fix that issue. I also had a small pin hole leak in the welding at one end, but only one. So I had to take it all apart two or three times to get it right. Also had to cut the stock fuel lines to install my swagelocks to install the AN fuel lines directly to them without having to mess with flaring. They are awesome. Good to 10,000PSI when install right. Solid as a rock. That was a pain. Then I ran into a few issues with running the lines. Mainly I ran into the thermostat housing unexpectedly so I had to do some last minute modification on that. Took the supercharger off for my other projects, and it made it easier to install the rail. I installed it with the blower on the first time and with the leaks it was hard to see and fix everything, so after it came off it was much easier to test it all out and get it right. Replaced the injector O-rings too for good measure since it hadn't been done.




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