i know this has probably been posted about a million times but i can't really find any good info on the trap door,if anyone has cut the trap door into their trunk can you please give me the measurements you used and tell me how you covered it? thanks oh and if you had to modify the fuel lines at all..thanks agine

 

Just drop the tank it's not that hard just make sure the tank's not full and if you have a buddy to help its fast maybe.....3 hour's

Alot better than hacking up your car

 

https://www.thirdgen.org/forums/fabr...mp-access.html

Yes, you will have to modify the lines. Most people cut and splice them. I wouldn't recommend it as it's pretty easy to just drop the tank, but it's your car.

If you do do it radius your corner cuts, else they may stress and rip.
Becareful when cutting because you will be close to the tank and lines. I wouldn't recommend just hacking away with reckless excitement.

Summit Racing sells some nice access door panels for a nice finish.

 

thanks man,but how do you recommend that i "splice" the lines?

 

oh and pabs i can't drop the tank i have no way of taking the back end of the exhaust off its a solid pipe all the way up to the Y pipe so i can't get the tank out

 

cut the lines with a tubing cutter,then use compression fittings.

 

thanks regal,i need to flare the ends of the line for the compression fittings right?,sorry if i ask anything stupid i've never done any work like this on a car before

 

The post I link has a link to: https://www.thirdgen.org/forums/faq-...tal-above.html

That basically covers what to do.

 

thanks dude,according to that post i just need to use some rubber hose and clamps sweet!

 

no flares for compression fittings,i would try to NOT use rubber hose.

 

so a compression fitting just clamps onto the line? seems like it would need a flare to hold it on the line under pressure...no?

 

yes they have ferrels that crimp on the line and they are normaly used on hydraulic systems.better and safer than rubber hose.you just tighten them with a wrench

 

I'd use fuel injection rated hoses and fuel injection clamps OR go with ones you can tighten with a wrench like stated. I wouldn't attempt to push the high pressure fuel through a normal rubber hose.

 

thanks regal compression fittings seem much easier the having to flare the pipe i'll go with those you've been a great help thanks dude

 

hey regal would you happen to know what size compression fittings i would need? i'm trying to get all the parts and stuff before i start cutting and stuff,any ways thanks agin bud

 

If I remember correctly compression fittings do need flared, anytime you put a fitting on a hardline you need to flare the line so it stays on there to the best of my knowledge.
While that is indisputably the better route to go, and easier to connect/disconnect and less likely to leak or cause problems, you can use rubber hose, Idk why so many people think you can't use rubber hose in fuel systems, when you get a new fuel pump, it has a hose right on the output side to connect to the sending unit, and theres 2 hose sections in the engine bay also to allow the system some flexibility when the engine moves.
As for covering it, summit sells some trap doors, probably the best way to do it, though I wish there was one out there that used seals of some sort.

 

Thanks project but I've got what I'm going to do figured out I just need to know what size the hardline is coming off the top of the tank so I can get the right fittings

 

the only reason I,m considering putting a trap door in my car is that with putting in the C4 IRS is the amount of work to pull the tank, I already have an external pump, so the only reason is the sending unit.
So why?? pros- can change sending unit in short time, cons- how often do you need to change a sending unit or fuel pump??