RDOG
Joined:
Jun 2001
Ontario. California U.S.A.
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I did the LA3 swap in my 86 TC and car is very responsive but I am still having a problem when I hit red line 6000-6500rpm( car parked in driveway). The car shakes and sputters and does not want to continue to accelerate. It has new 255 walbro fuel pump, kirban adj fpr, new flowed and cleaned injectors, plugs gapped at .34, new fuel filter, new ranger cam and I replaced one bad HLA that took forever to pump up. I didnt replace the other ones which may be as old as the car.
Am I experiencing valve float? Are the old HLA's giving out at high rpm? Whats up?
1986 Turbo Coupe. Boport StageIII head, Boport 2.1, Performance Techniques 50 trim hybird, StageII.63, stinger 3" exhaust, Phenolic spacer, Boglog header,NPR FMIC intercooler setup, kirban fpr, bigrmotorsports fuel rail, diablo water meth kit, CAI, remote mount TFI, CHE rear adj control arms, MAC girdle, 8.8 rear disc, aluminum drive shaft, H&R lowerings springs Tbird Turbo Specific, y MAS!!
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Pete D
Joined:
Apr 2001
Northern OH
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At redline it hits the fuel cutoff rev limiter. It's programmed into the EEC
Pete Dunham
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dd88T/C
Joined:
Jun 2009
Tampa, Florida
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+1 for the rev limiter. that ranger cam isnt one to make power that high anyway unless youve got a cam gear thats retarded a few degrees. sounds like youve got a good setup tho. fmic too?
'88 tc daily driver
.48 t3, stinger fmic, boblog, ebay twin piston BOV, 3" stinger dp, 3" exhaust shop straight pipe to the axle, ported/knifed lower, gutted upper, 3" intake tube & k/n filter, kirban fpr (42 psi), walboro 255, gillis @ 22 psi, pony wheels
shelf:
sn95 tb, rr, zeitronix zt2 wideband, magnaflow muffler/turndown, MAF swap, tune
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Kev
Joined:
Apr 2001
Harrison Arkansas
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Kev
Posting Freak
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Computer says "no more go" at 6250. You'll need an EEC tuner if you wanna bypass the limiter.
Kev
1988 TC 5spd
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it prob. doesnt make any usable power after 5500-5700 rpm
o4 mach-1,white,4at 1 of 169 ,MAC air filter and x-pipe, SCT tune / o9 BMW 328 M-SPORT, white, 6at/ 87 Turbocoupe ,white,4at,KIRBAN afr,GILLIS boost valve,Garrett/SVO T3,cold air,3" STINGER down pipe and tail pipe, DYNOMAX ultra flow stainless muffler, Walbro 255L fuel pump,cleaned and flowed injectors,STINGER BOV, built A4LD trans w/all
4x4 Explorer guts, K245/F57FA torque converter.
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natmac3
Joined:
Mar 2002
Aberdeen, MD
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+1, Anything past 4500rpm is wasted time on stock intakes/head/turbo/intercooler. The graphs fall off. I've seen'em run faster shifted sooner than what I'd feel is proper, but that's how it goes.
-n8-
1987tc
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BJL
Joined:
Apr 2001
Williamstown, New Jersey
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Quote:Originally posted by natmac3:
+1, Anything past 4500rpm is wasted time on stock intakes/head/turbo/intercooler. The graphs fall off. I've seen'em run faster shifted sooner than what I'd feel is proper, but that's how it goes.
-n8-
i always shifted at 5k cuz i ost power and thought it was just my car set up, now i liek that im not the only one..... friend of mien told me to run it out to 55 or 6, i think tha too far... i have it confirmed now from other tcr's thanks!
Brian Larkin
88TC 330,000 miles
Slightly Modified
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Pete D
Joined:
Apr 2001
Northern OH
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The little legit drg racing I did with the IHI and stock cam yeilded the same conclusions as BLJ is sying. The car did better short shifting into 4th than trying to wind 3rd tight to the end
Pete Dunham
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AllAboutCars101
Joined:
Jul 2009
suffolk, VA
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i just expierenced the loss of power in high RPMs too. i finally got to run my car with 15lbs and she pulled gret until about 4k-4,200. 3rd just takes me so long to hit high revs and by the time i hit 5k the boost is at max but im not pulling, as sson as i hit 4th she starts to pull again, so i agree with the shift into 4th sooner and not try to hit those high revs, seems almost like a loss of power.
and ofcourse im running all stock at the moment. i actually thought it was just me, thought something was wrong because 3rd took so long to get in high rpms. good to know its not just me
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dd88T/C
Joined:
Jun 2009
Tampa, Florida
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yes you need a t3 to rev past 5k rpm really. and a bigger one at that. the tiny ihi turbo is good for instant low end boost, but it runs out of steam up high. even with a bigger cam, ported intakes, and the like, youre really just adding mods that opperate out of that turbo's power/rev range.
'88 tc daily driver
.48 t3, stinger fmic, boblog, ebay twin piston BOV, 3" stinger dp, 3" exhaust shop straight pipe to the axle, ported/knifed lower, gutted upper, 3" intake tube & k/n filter, kirban fpr (42 psi), walboro 255, gillis @ 22 psi, pony wheels
shelf:
sn95 tb, rr, zeitronix zt2 wideband, magnaflow muffler/turndown, MAF swap, tune
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