TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Anyone changed the hard lines for braided???

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Old Nov 9, 2010 | 08:12 AM
  #1  
Gallileo60's Avatar
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Joined: Dec 2005
Posts: 1,244
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From: Texas City, Texas Area
Car: 89 RS, 92 Z28
Engine: 305 TBI, 350 TPI
Transmission: 700R4 Both Cars
Axle/Gears: 3.23 Posi.. 4 wheel disc both cars
Anyone changed the hard lines for braided???

Anyone out there running good looking fuel lines to their TBI, is so please either post pics, or tell me what you have done....I cant figure out how to get rid of the fittings on the back of the TBI unit.....Thanks, Tom
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Old Nov 9, 2010 | 07:06 PM
  #2  
xch3no2's Avatar
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Joined: Oct 2009
Posts: 676
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From: Pacific NW
Car: 89 K3500 Fleetside
Engine: RAT *tbi* EBL
Transmission: TH400
Axle/Gears: 3.73-Dana 60
Re: Anyone changed the hard lines for braided???

In short yes, however mine is necessarily larger than you will need so you get to look up your own parts.

The fitting's from the tbi to the hardlines must stay cuz tightening anything shorter would be next to impossible. Mine required 16mm x1.5 to -8an adapter from which I used a 45* hose end fitting.

First determine the extensions fitting size (metric). You will want to use -6an line & fittings. Search function on Summits website will show a selection of tbi to AN adapters.

http://www.summitracing.com/search/D...s/?Ns=Rank|Asc

Yours will be easy compared to what I've gone through just to get enough fuel to the tbi.

I have seen a lists posted here so searching this site could also be productive.

Last edited by xch3no2; Nov 9, 2010 at 07:26 PM.
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Old Nov 9, 2010 | 10:05 PM
  #3  
Gallileo60's Avatar
Thread Starter
Supreme Member
 
Joined: Dec 2005
Posts: 1,244
Likes: 1
From: Texas City, Texas Area
Car: 89 RS, 92 Z28
Engine: 305 TBI, 350 TPI
Transmission: 700R4 Both Cars
Axle/Gears: 3.23 Posi.. 4 wheel disc both cars
Re: Anyone changed the hard lines for braided???

xch3no2, not sure what you mean by yours being larger...Do you mean diameter???..i have a ported TB on mine, am just trying to get my pressure gauge hooked up, and the one I bought from CFM Tech is too long to clear the eddy intake....So, I just thought there might be a way to go braided on it, and put the gauge in line..Thanks for your reply...Tom
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Old Nov 10, 2010 | 08:27 AM
  #4  
xch3no2's Avatar
Senior Member
 
Joined: Oct 2009
Posts: 676
Likes: 1
From: Pacific NW
Car: 89 K3500 Fleetside
Engine: RAT *tbi* EBL
Transmission: TH400
Axle/Gears: 3.73-Dana 60
Re: Anyone changed the hard lines for braided???

By larger I meant -8 not -6 line size, it's a thirsty big block.

I found these, maybe shorter than the stock standpipes.

http://www.summitracing.com/parts/TRD-2458/

Is there another joint in your fuel line where the pressure port might be installed?

You may have the best excuse ever for installing a tbi spacer under the tbi.
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Old Nov 10, 2010 | 06:27 PM
  #5  
Gallileo60's Avatar
Thread Starter
Supreme Member
 
Joined: Dec 2005
Posts: 1,244
Likes: 1
From: Texas City, Texas Area
Car: 89 RS, 92 Z28
Engine: 305 TBI, 350 TPI
Transmission: 700R4 Both Cars
Axle/Gears: 3.23 Posi.. 4 wheel disc both cars
Re: Anyone changed the hard lines for braided???

Oh ok I see what you mean, yes the spacer would solve all my problems, but the hood is too low..I am going to get a harwood glass 3inch ASAP....Thanks for your input..Do you have any pictures you could post....
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Old Nov 11, 2010 | 08:08 PM
  #6  
snflupigus's Avatar
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Joined: Jul 1999
Posts: 2,184
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From: Tempe, AZ
Car: 92 RS, 02 Tacoma, 2 73 Porsche 914s
Re: Anyone changed the hard lines for braided???

https://www.thirdgen.org/forums/tbi/...r-pod-mod.html



i think i have 7 or 8 brand new pods that I could have done up for people.
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Old Nov 13, 2010 | 10:11 PM
  #7  
gregs78cam's Avatar
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Joined: Dec 2005
Posts: 54
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From: Idaho
Car: 1978 Camaro
Engine: 385 Dual TBI, '7427
Transmission: 4L80E
Axle/Gears: 4.10, Posi
Re: Anyone changed the hard lines for braided???

For my dual TBI 383 I simply turned off the big hex portion of the stock fuel line adapter and tig welded a -6 male on in place of it. Basically reproduced the Russell fittings in steel.
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