North American Turbocoupe Organization



Won't rev above 3.5k under load
servingGod Offline
Member
#1
88 TC 5-speed all options:

I finally got done with my 3g upgrade [Image: biggrin.gif]. But I am still having a problem when running at WOT. I can get whatever boost I set the gillis to, currently 15psi, but I am not able to tach over 3.5 grand. If I put the car in nutral it will tach all the way up, but under load 3.5 is it.

Thanks,
James

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88 TC 5-speed Black, all options.
88 Thunderbird LX 5.0 All options except Leather.
87TC Parts car five speed all options.
85 tbird 5.0
88 TC 5-speed maroon, all options, plus t3/t4 hybrid, 255 pump, RR, Centerforce DF with weight fingers, MSD tfi coil.
88 TC 5-speed Black, all options.
88 Thunderbird LX 5.0 All options except Leather.
87TC Parts car five speed all options.
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Pete D Offline
Administrator
#2
What happens when you hit 3500? Does it miss, like ignition? Does it run out of fuel? Is it leaking boost?
Pete Dunham


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Glenn 88TC Offline
Posting Freak
#3
Does it fall on it's face really hard? Might be the vam hose collapsing.

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mods: SDS Digital Fuel Injection, ported & polished big valve head(1.89/1.59), Solid lifters, Esslinger roller cam #2277, Esslinger adj. cam pulley, custom upper and ported lower intakes, 60-1 stage III .63 turbo, powerstroke intercooler, 60mm throttle body, 75pph injectors, Walboro 255HP pump, Kirban adj. fuel reg., ATR header, 3" exhaust with Dynomax Ultraflow muffler, MSD 6al, MSD coil, MSD Launch Control, MSD 8.5mm wires, K&N filter, Spec stage III clutch, Greddy Profec B boost controller, Weld Draglites with M/T ET Street 26x11.5/15
NO TC and NO headaches.
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Mark'87TC Offline
Member
#4
check your fuel pressure, if thats ok, it porlly ignition
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Jeff K Offline
Administrator
#5
When you check fuel press, do it with gauge taped to windshield so you can see press under WOT & boost. SHould be base (39 psi stock) plus boost press.

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Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 21 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 02 Taurus Vulcan(wifes car)
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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servingGod Offline
Member
#6
Thanks guys! I found my rev limiter. The guy who had the car before me installed a front mount K&N and used a 3" rubber hose to get it from the vam to the K&N located in front of the radiator. I found the rubber hose was collapsing at the 90 where it turns to go in front of the radiator. She finally tachs out, builds boost, and puts a smile on my face.

The only problem I am having now is if I try to run it WOT before it warms up it will sputter and run terrible. once it warms up it runs fine, any suggestions. I know I should let it warm up anyway, but it still should not do this.

Thanks,
James
88 TC 5-speed maroon, all options, plus t3/t4 hybrid, 255 pump, RR, Centerforce DF with weight fingers, MSD tfi coil.
88 TC 5-speed Black, all options.
88 Thunderbird LX 5.0 All options except Leather.
87TC Parts car five speed all options.
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Pete D Offline
Administrator
#7
Quote:I try to run it WOT before it warms up it will sputter and run terrible. .....any suggestions.

Weekly contributions to a rebuild the engine account. [Image: biggrin.gif]

Pull the codes.
Pete Dunham


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Nitro_X Offline
Senior Member
#8
With respect to what Pete said, Amen!

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87 TC, T-5 swap, billet quadrant / adj. cable, solid state IVR, fog light relay mod, PST suspension, KYB-AGX fronts, Gas-A-Just rears, K&N cone, billet alum BCV, med. red, 90's wing, polished snowflakes and centers, 189K+ Mi's., daily driver, feeding on ricers!
87 TC, T-5 swap, billet quadrant / adj. cable, solid state IVR, fog light relay mod, PST suspension, KYB-AGX fronts, Gas-A-Just rears, K&N cone, billet alum BCV, med. red, 90's wing, polished snowflakes and centers, 195K+ Mi's., daily driver, feeding on ricers!
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servingGod Offline
Member
#9
I will pull the codes today. I actually have a motor and tranny I am pulling out of my parts car. I was planning on taking some time and building it up right and then swapping it into the car. I just wanted to make sure that I had everything working before I did that. But if the problem is in the engine I guess it is time to start deciding which parts I want to use. I will still pull the codes to see if it is something simple. Now if I can just find a hidden stash of money somewhere I'll be set.
88 TC 5-speed maroon, all options, plus t3/t4 hybrid, 255 pump, RR, Centerforce DF with weight fingers, MSD tfi coil.
88 TC 5-speed Black, all options.
88 Thunderbird LX 5.0 All options except Leather.
87TC Parts car five speed all options.
Reply

Import Killer Offline
Senior Member
#10
My car used to stall if I didn't give it time to warm up and then I got on it. I changed the coolant temperature sensor and now I can start it and never stall.

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1987 Turbocoupe, black, 5-speed, all options besides leather and moonroof, 198K+ and running strong, 17x9 Chrome Detroit Cobra Rs w/ 255/45/ZR17 Kumho Ecsta Supra 712s, MOMO shift knob and boot, mustang shifter (easier to reach), K&N cone air filter with cold air induction, dynomax super turbo exhaust, brute force clutch, tinted windows, white faced indiglo gauges, 2 12" Rockford Fosgate subs and RF amp, Sony XPlod and Pioneer speakers, Pioneer CD player, painted the faded red molding lines blue, painted interior parts blue, neon dome light, aftermarket foglights, runs great, eats rice for dinner. New motor going in soon.
Wanna see my beast? http://www.cardomain.com/member_pages/vi..._id=314900
1987 Turbocoupe
Painted sonic blue pearl
Ground effects w/S351 wing
17x9 Chrome Cobra Rs
255/45/ZR17 Kumho 712s
KYB suspension
MOMO shift knob and boot
K&N cone air filter, Gillis boost valve, T-3 turbo, ported intake and E6, A237 roller cam, MSD coil, Kirban FPR
Full 3" exhuast w/Ultra Flo muffler
Brute force clutch
White faced indiglo gauges
2 12" Rockford Fosgate subs and amp
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