In need of yalls advice, Trying to shore up some tidbits Options

[tscrihfield]

Okay, so I have made more progress on the car in the past few months than I have in the past two years and I want to keep the momentum. to give everyone an idea of where I am going with my car, it is going to be a driver for good weather and a trackday toy. But heavily used at the track... ( wife won't let me go all out track cuz she wants to ride around in it...(IMG:style_emoticons/default/sad2.gif) ... But that is her only wish without any complaint til now, I won't pry...

I need some advice/guidance based on folks experience...

First
I have heard good and bad about aluminum fuel lines. I know that I want hard lines that will be mounted along the longs. I am wanting to run them with AN fittings on each end with braided lines running to the tank and engine. What's you're opinion?

Second
Can someone provide non factory seat mounting. I am running bride low max seats and I do not like their seat rails or the height of them so I am looking into other options if I don't modify the factory setup.

Last...
I am torn in the Gauge area.... I love the look of stock 914 gauges but I really like the AIM dash. Does anyone have one of these and driven on the street? I am looking for the good and bad to this...

Thanks,
Thomas

[Cap'n Krusty]

Aluminum fuel lines? Not a chance. They don't like ANY vibration. Use stainless steel. IME, SS braided fuel/oil lines tend to develop leaks. Not worth the extra bux, IMO.

The Cap'n

[tscrihfield]

Aluminum fuel lines? Not a chance. They don't like ANY vibration. Use stainless steel. IME, SS braided fuel/oil lines tend to develop leaks. Not worth the extra bux, IMO.

The Cap'n

Have heard that about the aluminum, just wanted continuity.

On the SS braided lines. What would you prefer? Regular lines with AN? I know that hose clamps are frowned upon with PCA.

Thomas

[ArtechnikA]

On the SS braided lines. What would you prefer? Regular lines with AN?

The problem is not with the SS braid, but the nitrile/Buna-N liner which will oxidize in time, after exposure to heat, ozone, and oxygenated fuels. Seen it happen, yes, it's real. Race cars just replace all the hose every so often.

The alternative to all hard line is braided-sheath Teflon hose. Yes the hose and fittings are expensive. But the Teflon will stand up to methanol, as will the fittings which are typically also stainless. Or at least plated steel - the key point is they are _not_ aluminum.

[Dave_Darling]

The problem is not with the SS braid, but the nitrile/Buna-N liner ...

Is nitrile or Buna-N still the most common liner? I believe that there are at least some of the SS braided lines that have Teflon liners.

No, I'm not sure which ones. No, I'm not sure how you can tell which is what.

--DD

[ArtechnikA]

Is nitrile or Buna-N still the most common liner? I believe that there are at least some of the SS braided lines that have Teflon liners.

Yes, there's Teflon-lined braided stainless hose.

I think I said that...

in AN-3 it's popular for brake line and in AN-4, clutches and other hydraulic actuators.
and -6 is good for fuel lines for even high flow rates - i think the smooth(er) walls help.

I've seen it in -8 and larger but you better have a F1 budget for that stuff... even -6 is pricey.

Here's the blurb from the Perform-O-Flex (IMO - Earls' good stuff - Aeroquip and Goodridge have good stuff too...) on the hose:

Top racing teams depend on Earl's Perform-O-Flex hose. The hose features an inner liner of Temprel synthetic rubber, a partial-coverage protective sheath of stainless steel braid embedded in the liner during manufacturing, and a full-coverage outer protective sheath of high tensile stainless steel wire braid.

So what's Temprel? I donno - this isn't my research project ;-)

'Speed-Flex' (6000-series...) is the PTFE-lined stuff, and in -6 it's $6 a foot. The fittings and olives are the pricey bits, tho, and the PTFE has a fairly large bend radius. But in today's oxygenated fuels environment, it's what you gotta do...