Thread: custom fuel rails

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  1. #1 custom fuel rails 
    SE Level Member reallyfast1's Avatar
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    So im installing an i/c in the near future and im in the process of making my own rails for my L32. i have a L67 rail that ive chopped up to make returnless and was wondering if the injectors line up the same from the L67 to the L32?
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  2. #2 Re: custom fuel rails 
    I live here. SlowNA06's Avatar
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    They're definitely the same spacing. I don't see why the angles would be different, either. Edit: Looking at photos, angle looks the same. I'd say you're good to go.
    Irridium spark plugs last 100k mi and work just as well as copper. Copper is a waste on N/A and only lasts 15k mi. Don't use Platinum.
    Use 195* tstat unless you can thoroughly explain why not; 99.9% don't need a lower temp.
    Almost any oil filter, ever, is of higher quality than ACDelco. Spend $6+.
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  3. #3 Re: custom fuel rails 
    SE Level Member reallyfast1's Avatar
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    Cool thanks man i will be ordering all the fittings tomorrow!!
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  4. #4 Re: custom fuel rails 
    Moderator dsmuts's Avatar
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    How did you mod it? I have a set of l67 modded fuel rails and if i could use them that would be great
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
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  5. #5 Re: custom fuel rails 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Yes the l67 and l32 rails fit the injectors the same. I would have just put a line and fitting in the l32 rail instead of making the l67 rail returnless...

    NHRA rules state that you can have no more than 12" of braided fuel lines in the engine bay, which gives you a lot of room to make a braided arch over the blower.
    Quote Originally Posted by W-Body Store
    Remember, GM engineers didn't take into account your need for speed.
    Daily Driver: 06 Grand Prix GT / 9.4:1 CR / IS3 Heads / Ported Gen V / ZZP Headers / HPT Pro / Pulleys: 4.25, 3.8, 3.5, 3.4, 3.2, 3.0, 2.9, 2.7
    Projects: 86 Monte Carlo SS / 98 Sonoma / 74 Honda CB750
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  6. #6 Re: custom fuel rails 
    SE Level Member reallyfast1's Avatar
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    I am using l67 rails bc the scrapyard is down the road and i can get alot of l67 parts cheap but theres no l32s in the yard and i still drive my car so i dont wanna hack my rail up yet! I have an extra blower and lim for mock up im using, im gonna use jegs AN hard line fittings from rail to the braided line with a T in the line near the rear for the inlet.. i was gonna go around the blower but it actually might be easier to go over top, and will also keep the braided line to a minimum!
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  7. #7 Re: custom fuel rails 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Right on. If you want a little cleaner look, summit sells fuel logs for a pretty low price iirc.
    Quote Originally Posted by W-Body Store
    Remember, GM engineers didn't take into account your need for speed.
    Daily Driver: 06 Grand Prix GT / 9.4:1 CR / IS3 Heads / Ported Gen V / ZZP Headers / HPT Pro / Pulleys: 4.25, 3.8, 3.5, 3.4, 3.2, 3.0, 2.9, 2.7
    Projects: 86 Monte Carlo SS / 98 Sonoma / 74 Honda CB750
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  8. #8 Re: custom fuel rails 
    SE Level Member reallyfast1's Avatar
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    Are the l67 rails aluminium or SS?? They feel like aluminum to me..
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