87-88 t/c v.s 87-88 5.0-3.8 fuel tanks October 19, 2005, 11:24:43 AM what is the differance between the t/c and 5.0/3.8 tank.i am sorting thru fuel starvation problems with my t/c tankall help will be apperciated:D Quote Selected
87-88 t/c v.s 87-88 5.0-3.8 fuel tanks Reply #1 – October 19, 2005, 12:16:10 PM AFAIK, all 1987-88 tanks regardless of engine size are 22.1 gallons. There is a thread here that may help you more:http://natomessageboard.com/Forum1/HTML/015393.html Quote Selected
87-88 t/c v.s 87-88 5.0-3.8 fuel tanks Reply #2 – October 19, 2005, 03:45:31 PM Quote from: EricCoolCatsAFAIK, all 1987-88 tanks regardless of engine size are 22.1 gallons. There is a thread here that may help you more:http://natomessageboard.com/Forum1/HTML/015393.htmlhmm then why do t/c have fuel issues and 3.8/5.0 doesnt.this is what i am trying to get to the bottom of.even my converted car the 429t/c still has fuel issues at 1/2 tankwere i can run my driver 5.0 down to 2 gallons and not have starvation problems? Quote Selected
87-88 t/c v.s 87-88 5.0-3.8 fuel tanks Reply #3 – October 19, 2005, 03:49:28 PM The tanks (5.0 & 2.3) I've seen are identical, you wimp ass 5.0 just ain't got enough power to push the fuel into the back of the tank... Quote Selected
87-88 t/c v.s 87-88 5.0-3.8 fuel tanks Reply #4 – October 19, 2005, 03:53:09 PM When you do a hard right turn in a TCat speed, the fuel pump can't pick up fuel when you have less than half a tank. Most of the TC owners just keep it at a full tank to solve the problem. It really is strange....it may be the pickup tube, or the fact that the TC used higher-flow injectors, therefore is needing more fuel...who knows. Isn't there a fuel pulse dampener inline too? If you've bypassed all that stuff then you could probably just use a 3.8/5.0 tank and pickup, and reuse your fuel pump if it's still good. I am not sure if you can use a V6/V8 pickup with the 4-banger tank. Quote Selected
87-88 t/c v.s 87-88 5.0-3.8 fuel tanks Reply #5 – October 19, 2005, 03:58:30 PM Quote from: EricCoolCatsWhen you do a hard right turn in a TCat speed, the fuel pump can't pick up fuel when you have less than half a tank. Most of the TC owners just keep it at a full tank to solve the problem. It really is strange....it may be the pickup tube, or the fact that the TC used higher-flow injectors, therefore is needing more fuel...who knows. Isn't there a fuel pulse dampener inline too? If you've bypassed all that stuff then you could probably just use a 3.8/5.0 tank and pickup, and reuse your fuel pump if it's still good. I am not sure if you can use a V6/V8 pickup with the 4-banger tank.it has the stock tank,modifyd pickup with dual 1/2 pickups 1/8 off bottom of tank1/2 fuel line to holley blue pump 1/2 line to regulator 1/2 to n20 selonoid and 3/8 to carb.this is all an issue with my 429- c/6 converted t/c. Quote Selected
87-88 t/c v.s 87-88 5.0-3.8 fuel tanks Reply #6 – October 19, 2005, 03:59:59 PM Quote from: TurboCoupe50The tanks (5.0 & 2.3) I've seen are identical, you wimp ass 5.0 just ain't got enough power to push the fuel into the back of the tank...dunno, it runs good for what it is:D .but seriously i need to figure out what is wrong Quote Selected
87-88 t/c v.s 87-88 5.0-3.8 fuel tanks Reply #7 – October 19, 2005, 04:21:30 PM http://www.foxtbirdcougarforums.com/showthread.php?t=4624&page=2 heres a description of my problem Quote Selected
87-88 t/c v.s 87-88 5.0-3.8 fuel tanks Reply #8 – October 19, 2005, 05:17:41 PM Uhhh...when I'm driving my TC I always run it down to 1/4 tank or less before filling up, and I've NEVER had issues with fuel starvation. And we have some windy roads around here. Quote Selected
87-88 t/c v.s 87-88 5.0-3.8 fuel tanks Reply #9 – October 19, 2005, 06:26:16 PM Quote from: Red_LXUhhh...when I'm driving my TC I always run it down to 1/4 tank or less before filling up, and I've NEVER had issues with fuel starvation. And we have some windy roads around here.i dunno man . Quote Selected
87-88 t/c v.s 87-88 5.0-3.8 fuel tanks Reply #10 – October 20, 2005, 11:43:01 PM bump for possibly some more help or knowledge Quote Selected
87-88 t/c v.s 87-88 5.0-3.8 fuel tanks Reply #11 – October 21, 2005, 12:04:44 AM I can tell you that according to the Ford/Mercury brochures, I'm almost positive it lists the Turbo-model cars as having smaller tanks than V6/V8 models. Eighteen gallons comes to mind for Turbo XR7's and TC's. I even think there's a difference in an auto TC and a manual TC. I had studied all this stuff back when I had an '88 TC and it's just kinda coming back to me. I think the manual TC had the smallest tank, which in my mind I attributed to the manual having dual exhaust, which left less room under the tail end for a tank. To check myself, I got out a couple brochures. The '84 Cougar brochure says, "21.0 gallons for non-Turbo cars, 18.0 for Turbo (XR7) cars". The '86 Cougar brochure says, "20.6 gallons for non-Turbo cars, 18.2 gallons for Turbo (XR7) cars". I guess in '84 they tended to round off. I also remember references to 22 gallons. Seems like there might have been 3 tank sizes. Eric, I thought there was a section on this info on your site, which is where I seem to remember seeing some of it. I don't know if this has anything to do with your problem. Maybe you've got a car that came with a smaller tank and it's been replaced with a bigger one?? Good luck!Fordman3 Quote Selected
87-88 t/c v.s 87-88 5.0-3.8 fuel tanks Reply #12 – October 21, 2005, 09:09:55 AM The 1987-88 TC's definitely had 22-gallon tanks, not 18 as with previous models. Even the brochures for those cars were incorrect. Trust me, I've been following the situation on the NATO board and those guys know their stuff...no way I'm going to argue with them! LOL! It just seems like the sumps are different for some reason. Honestly I don't know what's up, just that there is a problem and the only real sure way to fix it is with a fuel cell. I'd love to also know why this happens.Sleeper--what do you have as far as a fuel filter? Stock? Quote Selected
87-88 t/c v.s 87-88 5.0-3.8 fuel tanks Reply #13 – October 21, 2005, 10:02:36 PM Quote from: EricCoolCatsSleeper--what do you have as far as a fuel filter? Stock?it has 1/2 fuel line from the tank to pump 1/2 from pump to filter filter to regulator is 1/2 and to carb is 3/8 and to the n2o selonoid is 1/2pump-- aeromotive billet 140 gph (previous holley blue) both were at 8 psifilter-- edelbrock "new" (previous F.I screen style)regulator -- holley ive changed the parts above and it seemed to fix the issue but havent got to put about 1 mile on it since i done the work Quote Selected
87-88 t/c v.s 87-88 5.0-3.8 fuel tanks Reply #14 – October 22, 2005, 01:03:33 AM Quote from: EricCoolCatsThe 1987-88 TC's definitely had 22-gallon tanks, not 18 as with previous models.according to the 88 owners manual, it says 22.1 gallons, it also says that its recomended to change the fuel filter every oil changethe only thing i can think of is that the hanger might be different, i havnt dropped the tank in my 3.8 bird as of yet so i cant compair the twothe fuel pulse dampener on the 2.3L cars is on the fuel rail Quote Selected
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