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Old 07-07-2013, 09:40 AM
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Split fuel line, Holly 670

Holly 670 (Street Avenger) on a crate 350 HD. I need to find or make a line that splits to both bowls. I've seen some real 'single car garage' jobs out there that look like a plumber's nightmare.

There has got to be a nicely made, chromed or paintable piece available *perhaps* that will connect at the rear of the engine (elec pump).

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Old 07-07-2013, 10:26 AM
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go buy one already made? chrome solid,braided steel,or buy the pieces separately and make w/e you want,,,
stock fuel lines from the tank are likely adequate for a stock engine.If you plan to make power,then increase the fuel delivery line diameter from the tank
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Old 07-10-2013, 02:03 AM
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I made mine... the brass fitting in the rear line is there because I broke the AN fitting trying to get it installed on the an-line.. and the only shop that stocked those fittings locally was out of parts

i never worried about the bigger fittings under the regulator, up until I installed the carb spacer, you really couldn't see them ~

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Old 07-10-2013, 06:15 AM
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Quote:
Originally Posted by kc8oye View Post
I made mine... the brass fitting in the rear line is there because I broke the AN fitting trying to get it installed on the an-line.. and the only shop that stocked those fittings locally was out of parts

i never worried about the bigger fittings under the regulator, up until I installed the carb spacer, you really couldn't see them ~

Wow. I've been working so hard on cramming a 350 into a shoebox-sized space, I forgot how carverous a real engine compartment is!!!!

I may have found what I'm looking for. I got Jegs on the horn, they said this one will fit. We'll see.
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Old 07-10-2013, 10:03 AM
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That will work as that is what I am using on both of my carbs but you must tell them that its either a 4150 or 4160 style carb. Since yours is a 670 street avenger its a 4150 which is a dual metering block setup. The 4160 has no metering block on the back but a metering plate that is inside on the back of the carb.
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Old 07-10-2013, 10:07 AM
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Mr. Gasket 1552 Mr. Gasket Chrome Fuel Line Kits

http://www.summitracing.com/parts/sum-g3100

either one will work but the summit one has a gauge port that you can put a fuel pressure gauge into if you want or you can just use the plug it comes with to plug it up.
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Old 07-10-2013, 10:57 AM
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Originally Posted by eric32 View Post
That will work as that is what I am using on both of my carbs but you must tell them that its either a 4150 or 4160 style carb. Since yours is a 670 street avenger its a 4150 which is a dual metering block setup. The 4160 has no metering block on the back but a metering plate that is inside on the back of the carb.
I thought 4150. The line show is correct.... on paper anyway.
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Old 07-10-2013, 11:16 AM
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Since you have an electric fuel pump, you may need to regulate the pressure. You might not have room for the regulator using that type of line to the carb. You might need to use a setup like kc8oye used with the regulator in the middle and lines to each bowl.

I have a mechanical fuel pump and tried to use a fitting like the one from Jegs (but from the front), but it interfered with the A/C pump bracket I am using from March. I fabricated mine using flared fittings.
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Old 07-10-2013, 12:44 PM
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Originally Posted by sedanbob View Post
Since you have an electric fuel pump, you may need to regulate the pressure. You might not have room for the regulator using that type of line to the carb. You might need to use a setup like kc8oye used with the regulator in the middle and lines to each bowl.

I have a mechanical fuel pump and tried to use a fitting like the one from Jegs (but from the front), but it interfered with the A/C pump bracket I am using from March. I fabricated mine using flared fittings.
Interesting.... there's always something, huh?
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Old 07-11-2013, 12:56 AM
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Quote:
Originally Posted by Mitchman View Post
Wow. I've been working so hard on cramming a 350 into a shoebox-sized space, I forgot how carverous a real engine compartment is!!!!

I may have found what I'm looking for. I got Jegs on the horn, they said this one will fit. We'll see.
i'll leave you with this pic to make you jealous since I don't run a mechanical fan or fan shroud, I can stand between the engine and the radiator ~ (it's a '72 monte carlo for those wondering)

https://fbcdn-sphotos-a-a.akamaihd.n...05903274_n.jpg
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Old 07-11-2013, 06:48 AM
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Quote:
Originally Posted by kc8oye View Post
i'll leave you with this pic to make you jealous since I don't run a mechanical fan or fan shroud, I can stand between the engine and the radiator ~ (it's a '72 monte carlo for those wondering)

https://fbcdn-sphotos-a-a.akamaihd.n...05903274_n.jpg
Oh Yea????? Well I can fit a whole finger between my fan shroud and A/C compressor. So there!
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Old 07-11-2013, 10:50 AM
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Old 07-11-2013, 11:52 AM
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Quote:
Originally Posted by kc8oye View Post


WOW. You weren't kidding, you can hold a dance up there.

See below. I seriously considered modding the motor mounts to slide the engine an inch to the rear. I've got a custom grill insert being made and it'll clear the front of the rad by about 3/8", so moving the rad forward isn't much of an option.
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Old 07-11-2013, 07:29 PM
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I made mine from 3/8" SS tubing and Hoke fittings.



Vince
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Old 07-11-2013, 09:13 PM
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Clean and right for the purpose. I like it.
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