Question about fuel and brake lines
- Thread starter SlyMart
- Start date
From what I can tell from the cluster of info on everyone has a different answer Sly.... The answer I would trust would come from @nascar03, @taylorsk8 or @Jr. Corvette And I'm sure we have a few more that know....
Last edited by a moderator:
Hey Sly. I’m not sure what size they are but I’ll measure mine today and let you know.
Update - One brake line to master cylinder measures 3/16” another measures 1/4”. Porportioning valve to front brakes are 1/4”. I couldn’t measure from the porortioning valve to rear brake ‘T’ but it appears to be 3/16” and from there I believe it goes down to 1/4” to each rear caliper.
The return fuel line measures 1/4”, the supply measures 3/8”, and the gas tank vent to canister line is 1/4” as well.
Update - One brake line to master cylinder measures 3/16” another measures 1/4”. Porportioning valve to front brakes are 1/4”. I couldn’t measure from the porortioning valve to rear brake ‘T’ but it appears to be 3/16” and from there I believe it goes down to 1/4” to each rear caliper.
The return fuel line measures 1/4”, the supply measures 3/8”, and the gas tank vent to canister line is 1/4” as well.
Last edited:
Thank you very much Jr. Corvette.
I will buy 1 of each.. 1/4 and 3/16
I will buy 1 of each.. 1/4 and 3/16
Last edited:
By no way take this as gospel but.....
Small block Fuel supply 5/16" OD Tube
Big Block Fuel Supply 3/8" OD Tube
Return Line 1/4" OD Tube
I have read/heard of guys putting in 3/8" OD as replacement for the supply because why not. Most after market lines tend to go to a -6AN fitting instead of just rubber hose connections. This would be the same 37deg angle and thread as JIC.
Brakes 1/4" and 3/16" OD Tube, 1/4" OD runs the long part. These would be a 45 deg double flare end (I think)
I will try to get out to the shop to verify this.
T
Small block Fuel supply 5/16" OD Tube
Big Block Fuel Supply 3/8" OD Tube
Return Line 1/4" OD Tube
I have read/heard of guys putting in 3/8" OD as replacement for the supply because why not. Most after market lines tend to go to a -6AN fitting instead of just rubber hose connections. This would be the same 37deg angle and thread as JIC.
Brakes 1/4" and 3/16" OD Tube, 1/4" OD runs the long part. These would be a 45 deg double flare end (I think)
I will try to get out to the shop to verify this.
T
Brake and fuel tubing is sold as OD size. The 1/4, 3/16, are OD sizes. The handheld straightener you are considering is sold by OD as well. So if you are buying bulk 1/4 and 3/16 stainless brake lines, you will need one of each of the straighteners/benders. If you are putting new 3/8 fuel supply line in, you will also need a 3/8 straightener/bender.
Or.....in case you didn't know, you can also buy pre-bent sets if that makes your life any easier...
Or.....in case you didn't know, you can also buy pre-bent sets if that makes your life any easier...
I bought some prebent stainless ones. They are not installed yet just laying on the frame. They are seem to be a good fit. They did come bent in half to fit in the box so there was one bend to straighten out on each but I did it by hand. Depends how much customizing there is going to be as for if it makes sense for you or not.
T
T
Shipping is a problem with pre bent lines. I don't think you can ever get a kink out.
All that work to get them perfect and nobody ever sees them again. Oh well you know it is correct and that is what counts.
All that work to get them perfect and nobody ever sees them again. Oh well you know it is correct and that is what counts.
Hey Sly..
I found this pic on FaceBook today.
It looks great.
Graham
