Carburetors Carb discussion and questions. Upgrading your Third Gen's carburetor, swapping TBI to carburetor, or TPI to carburetor? Need LG4 or H.O. info? Post it here.

Quick question;)'s

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Old Oct 1, 2001 | 11:24 PM
  #1  
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SSC
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Joined: Jul 2001
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From: Pueblo Co
Car: 1989 C4
Engine: L98
Transmission: 700r4
Axle/Gears: 307
Quick question;)'s

Last time I went to the track they got on my case about too much rubber fuel line. Im running rubber from the fuel pump on the block to the carb.
Last night when I was in home depo I was looking at the braided water line and I found two little adaptors that would allow me to connect to the fuel pump and also to the carb.
Any one done this. What size "ID" "OD" would I need? Would the plastic inner line stand up to gasoline?
I know these lines are rated at 60PSI so it should hold the wussy 5/6 psi the fuel pump puts out. Yea I know this isnt steel line the track wants but it stonger than rubber and should fool em.
Thanks!
SSC
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Old Oct 2, 2001 | 02:49 AM
  #2  
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
I wouldn't trust that stuff. Get the proper hose, it's not that expensive.
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Old Oct 2, 2001 | 11:15 AM
  #3  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
I agree with Apeiron - don't bother with anything that isn't intended for your application. The braided water line may be able to handle the gasoline, but how about the under-hood heat?

And, you should limit the amount of hose you have. On the '57, I have a 90 degree fitting at the pump (ID enlarged slightly for flow), then an in-line 3/8" filter connected with those short pieces of hose, then aluminum 3/8" line up to the carb line. I fell in love with that aluminum line this year; never used it before, easiest stuff in the world to form without kinking. Cuts and flares nicely, too.

------------------
82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4. 2.93 limited slip. 2-1/2" cat-back, ZZ3 intake, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LG4 CC system w/'87 LB9 block, ZZ3 cam, ported World 305 heads, Hooker 2055 headers, 3" Catco cat & 3" catback, restalled TC, Spohn SFCs).
57 Bel Air, my 1st car. '66 396, 9.7 CR forged TRWs, Weiand Action+, Holley 750VS w/4150 conversion, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 600 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).
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