I was asking if the Herko pot was for 97 only or the whole run of 97-02. Judging by Rockauto the Grand Prix had a 1 year only fuel sending unit in 97.

 

It fit my 99-02 sender which I got from Rockauto also. I did have to drill a couple holes and attach it with some very small bolts.

 

Forgot to ask about the sock. Not seeing it on Advance's site and would prefer to replace it. Also, when I copy/paste part numbers from Rockauto to Amazon, Amazon tells me it won't fit a 2002 F body.

 

My car uses different socks because they're racetronix, sorry.

 

Got my Herko sender today and it's a little off.



So I moved the circuit board over, but messed up the fingers in the process.



Hoping to swap the Herko arm with fingers over to fix that. Also remembered I had an LM4 regulator on the shelf, so gutted that to reinstall and have the bucket function as it should. Intent is to reinstall fuel tank and pin the axle back in tomorrow or Saturday.

 

Changed my mind and decided to zip tie the Herko piece into place. The Herko connector wasn't compatible with the bucket so I pinned the circuit board over to the stock connector.



This was after I'd trimmed some stuff off the Herko connector.



All buttoned up and ready to go.



Gave the tank another wipe down. I was told to keep the can in place and the filling/venting would work out just fine so I did. The hose will be routed up by the filler neck and I'll put a vent cap on the end.



Gonna have to expand the trap door area, get a couple gallons in there, and fire it off and check fuel pressure before calling it good. The axle can go back in though, it anything's wrong only the bucket will come back out.

 

Strange. Like I said I didn't need to mess with the board but I did use two small bolts/screws to hold it in place.

It should fire right up though, mine did!

 

For anyone looking to plastic tank swap an LT, save yourself the asspain and start with a V6 tank! Not only do the lines not reach my V8 tank, but feed and return are both 3/8"!




This is after cranking on the hard line to gain the length needed for the stock plastic lines to play ball. Problem with the feed is that it puts the fuel filter in a vulnerable location. I'm no stranger to off roading this thing so I need all that hardware tucked up nice and high.

 

I still haven't fired the car off, but I did discover something today. The spare shell is a 98, not a 99 so it had a metal filler neck. I'm going to have to check and see if the 98 V6 bucket will drop into a metal tank. If so, that'd be a slam dunk.

 

Finally dropped this thing off the stands and put a couple of gallons in it. Gauge reads just off of E which is about how much I put in and the car fired right up. This pump is way quieter than the old LT setup. Going to load it tonight for the dyno tomorrow.

 

So am I correct, get a V6 plastic tank if I ever have to change mine out? Thanks for the detailed process bud, appreciate it. Good luck this year

 

I'm pretty sure the V6 and V8 tanks are the same. The pump and sender are different, IIRC though. For me the plastic tank went in just fine.

Just keep in mind the 98 tank is metal and different than the 93-97 tank. The 99-02 tank is plastic.

All the plastic tanks have a metal filler neck connected by gas proof hose and clamps. Makes the tank way easier to get in and out than the 93-97 tank with the metal filler neck you have to twist and bend 5,000 times to get out, lol.

 

You did the trap door mod???

 

Only 5000? You must have some skills.

 

I think so. The return to the bucket would function better and the lines would be the right size.

I did it with the LT tank which had its pump up front, then had to hack out even more for the LS tank which puts it out back. I'm debating how to reinforce this in the future, that's a lot of metal I took out.

I dyno'd with the tank and it made the numbers so it must be good to go.

 

I raced this past weekend and on Friday practice decided to run the tank down a bit. I went down to 1/4 tank before they shut down practice for weather and the car never popped once, so my concerns about it spitting the return fuel out the top and not routing it back to the bottom are for naut. Tank works great!