sc1 aero mods

[jjackstone]

If you get to the point where you are going crazy and can't find the answer check the transmission(drive shaft?) speed sensor(assuming that vehicle has one). My ex had that as a problem on a Toyota with similar symptoms once. Four mechanics couldn't figure it out. I found the solution online in about ten minutes.
JJ

[arcosine]

No error codes, could be bad speedway gas, have to burn the tank up.

I welded up a big hole in the frame where the drag link attaches. Time to say goodbye, its become a rust bucket.

[arcosine]

Changed the fuel filter yesterday, seems to be running better the short distance I test drove it.

[freebeard]

I landed back on the front page. Does it have the front wheel skirts?

It sounds like the rust isn't terminal after all?

[Taylor95]

This may have been asked already, but how many mpgs did you gain from adding these mods?

[arcosine]

It needs more welding, but just postponing the enviable and certain rust trough demise.

The car drove fine for 120 interstate miles at 77 mph. But stalled and bogged out several times on the way back from the grocery store. I suspect the fuel pump needs to be changed. At 85 mph I could detect lift on the front end.

Older fuel log in the garage. The best was 63 mpg, last tank, 44 mpg.

https://ecomodder.com/forum/em-fuel-...vehicleid=4394



Only about the top 5 inches of front wheel well covered now.

[arcosine]

After coughing , spudding, stalling and bogging, I finally received the fuel pump element off e-bay.

I took the seats and carpet out and CARFULLY cut out a hole. It looked really good, spot on as they say...


Well, I over looked one thing, can you see it in the picture? Yes, no fittings at the pump. I disconnected the fuel lines at the filter, but just could not yank it through. In for a dime , in for a dollar, so they say...



I got the pump assembly out without destroying the level float. I disassembled it leaving the top and fuel lines in place in the car.

This filter on the bottom was nearly clogged, I cleaned it in gas and detergent. It could have been the problem, but I wasn't in a research mood.



I had to dissemble the unit to replace the pump cartridge, being the cheap ass that I am, I only bough the cartridge for something like $20.


.... sc1 is back to her old self now, though fuel starvation may have had improved MPG somewhat.

Moral of the Story: Lower the gas tank on a saturn to replace the fuel pump.

What is interesting is there is a check valve at the bottom that lets fuel into the aluminum cylinder, around the pump cartage. This keep the pump cool even though the gas level may be lower. Probably about a quart of gas that never empties out of the tank. A better design would have been a large heat sink extrusion around the cartridge.

https://www.ebay.com/itm/Fuel-Pump-F...72.m2749.l2648



... Well now for the rest of the story... The new cheapo Chinese pump fail after 45 miles, the car stalled on the railroad crossing and would start. I could here the pump running. The neighbor mechanic across from my moms house said the impellers fail and not to buy anything but only AC-delco parts. I was hoping to get a year from it, Ha. The car is parked 45 miles from home.

[19bonestock88]

Well that sucks...

[arcosine]

I went to the junk yard and with a hammer, chisel and hack saw was able to remove a good unit in 15 min. I chiseled the strap hinges and sawed the plastic fill pipe. $42. Runs now but not great.

[arcosine]

The MAP sensor was bad, replaced it with a $6 junkyard part, no more bogging. Running good.