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#1
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Engine RPMs - Converter not locking up?
What RPMs should the engine be turning at various speeds? I just had the transmission rebuilt on my 92 and at 70 mph it's turning 2500. That seems high to me. I would think it should be around 2000 if the torque converter clutch is engaged. Mine's turning that at 40.
How can I tell if the torque converter is locking up or the trans is slipping? Marvin 92 LsL pearly |
#2
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That seems right. A little low actually. I turn 3500-4000 at 85mph.
If you hit the gas, and nothing happens, your transmission is slipping.
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*No SVX at the moment...* 1987 Winnebago Elandan 35' 2001 Yamaha Roadstar 1600 2004 Ford Excursion Eddie Bauer, 6.0litre Power Stroke Diesel - Daily Driver. Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well-preserved body, but rather to skid in sideways, scotch in one hand, body thoroughly used up, totally worn out and screaming HOOOOYA !!!!! |
#3
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When gently accelerating from zero to freeway speed, you should feel a total of four 'shifts' and corresponding drops in revs. The last is actually the torque converter locking.
I don't remember what revs you should be turning at 70, but if the car is warmed up and has been traveling at a pretty steady speed for awhile, the converter should definitely lock up. Dab the throttle a little and release it. If the engine revs independent from vehicle speed, then the converter isn't locked. Of course, if you give it too much the car will just unlock the converter anyway - but then you can see the drop in revs when it locks again. If the engine speed is locked to vehicle speed (the same way a car with a manual is when it's in gear), then the converter is locked.
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2005 RX-8 Grand Touring 2005 Outback 2002 Mercedes-Benz E320 wagon END OF LINE |
#4
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2000-2500 @ 70 MPH seems about right to me. At 3000 I'm generally showing a tick over 80. It's no secret when my teal reaches TC operating temp because it lugs the engine a bit at low speeds when it hooks up. The silver, I barely notice.
With the car fully warmed, get on a freeway and set the cruise. If the tach reading varies with engine load, I'd say something's up. dcb |
#5
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Both of my svx's have always been at 2,000 rpm at 60mph and 3,000 rpm at 90mph with the stock transmission gearing and torque converter locked.
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Matt Locker Link 2015 BRZ Limited 6MT 92 Ebony LS-L ECUtune Stage2av1, Z32 MAF, 370cc injectors, TomsSVX intake, BontragerWorks 22mm RSB #003, HID Hi and Lo beams, OT endlink and bushing mods, PWR Aluminum radiator, Harvey's QC shift kit, 2.5" flowmaster 80 exhaust, 17" Michelin Pilot Sport A/S, Poly sway bar bushings, Slotted Bradi rotors, AFBeefcake powdercoated calipers, 97 grill, and a huge set of air horns. 300,000 miles and counting 92 Ebony LS-L. ecutune stage1v4, motorsport 1pc pulley. Garage Queen - sold to Dad in upstate NY 155,000 miles 19 Subaru Ascent Premium - -Hers !. 89 DL 4x4 little red wagon - a.k.a. The immortal suby. 275k R.I.P. |
#6
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I'm gonna check this out as soon as i get a chance. At lower speeds on the back roads (around 45) the lockup is noticeable but on the highway it does'nt seem as apparent.
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Joshua 92 Ls-L pearlie 73,000 miles |
#7
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Picture.56
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"That which can be asserted without evidence can be dismissed without evidence." '92 Dark Teal SVX LS-L, >146,000m 3 pedals, 5 speeds., restoration underway. 2012 Honda Insight, slow but cute. |
#8
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120 Mph = 4,200 rpm's don't know how that will help >.x
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1994 SVX L - FWD Barcelona Red 190K miles ~ SOLD 1994 SVX LS - 5spd AWD Emerald Green 202k miles PWR Radiator, HID 5000k, New paint job with issues, 17" STI BBS wheels, converted to 5spd AWD from FWD. Purchased from SVXyGirl 2/20/09 -- Undergoing complete rebuild 1993 Justy 4wd 5door- Teal of sorts , beater. 2008 OBXT Newport Pearl 65k miles |
#9
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Thanx i'll check that one out too.
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Joshua 92 Ls-L pearlie 73,000 miles |
#10
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1994 SVX L - FWD Barcelona Red 190K miles ~ SOLD 1994 SVX LS - 5spd AWD Emerald Green 202k miles PWR Radiator, HID 5000k, New paint job with issues, 17" STI BBS wheels, converted to 5spd AWD from FWD. Purchased from SVXyGirl 2/20/09 -- Undergoing complete rebuild 1993 Justy 4wd 5door- Teal of sorts , beater. 2008 OBXT Newport Pearl 65k miles |
#11
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Coverter Lockup
Thanks for the info. I'll watch it closer when I drive to work tomorrow. However, I guess I'll have to drive a little faster
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#12
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I think you have 3.90's in that FWD model though. The AWD has 3.55's and should be turning an even 4k at 120
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Matt Locker Link 2015 BRZ Limited 6MT 92 Ebony LS-L ECUtune Stage2av1, Z32 MAF, 370cc injectors, TomsSVX intake, BontragerWorks 22mm RSB #003, HID Hi and Lo beams, OT endlink and bushing mods, PWR Aluminum radiator, Harvey's QC shift kit, 2.5" flowmaster 80 exhaust, 17" Michelin Pilot Sport A/S, Poly sway bar bushings, Slotted Bradi rotors, AFBeefcake powdercoated calipers, 97 grill, and a huge set of air horns. 300,000 miles and counting 92 Ebony LS-L. ecutune stage1v4, motorsport 1pc pulley. Garage Queen - sold to Dad in upstate NY 155,000 miles 19 Subaru Ascent Premium - -Hers !. 89 DL 4x4 little red wagon - a.k.a. The immortal suby. 275k R.I.P. |
#13
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What are you trying to say ??? AWD Is better
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1994 SVX L - FWD Barcelona Red 190K miles ~ SOLD 1994 SVX LS - 5spd AWD Emerald Green 202k miles PWR Radiator, HID 5000k, New paint job with issues, 17" STI BBS wheels, converted to 5spd AWD from FWD. Purchased from SVXyGirl 2/20/09 -- Undergoing complete rebuild 1993 Justy 4wd 5door- Teal of sorts , beater. 2008 OBXT Newport Pearl 65k miles |
#14
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lol, not just awd - but 92's and AWD are the fastest!
But in all seriousness - the fwd stock should whip any stock awd in a straight line provided it has the tires to put it to the ground. You have better gearing and less weight. oops - sorry for the threadjack
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Matt Locker Link 2015 BRZ Limited 6MT 92 Ebony LS-L ECUtune Stage2av1, Z32 MAF, 370cc injectors, TomsSVX intake, BontragerWorks 22mm RSB #003, HID Hi and Lo beams, OT endlink and bushing mods, PWR Aluminum radiator, Harvey's QC shift kit, 2.5" flowmaster 80 exhaust, 17" Michelin Pilot Sport A/S, Poly sway bar bushings, Slotted Bradi rotors, AFBeefcake powdercoated calipers, 97 grill, and a huge set of air horns. 300,000 miles and counting 92 Ebony LS-L. ecutune stage1v4, motorsport 1pc pulley. Garage Queen - sold to Dad in upstate NY 155,000 miles 19 Subaru Ascent Premium - -Hers !. 89 DL 4x4 little red wagon - a.k.a. The immortal suby. 275k R.I.P. |
#15
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With a properly functioning transmission, with stock 3.545 gearing, with the torque converter locked up in 4th gear, the tach should read 2750rpm at 80mph.
If you let off the gas, the tach should not drop. If you coast to a lower speed, the tach should drop slowly as well. If you are in 4th gear and the tranny temperature has not reached high enough to lock up the converter, when you let off the gas, the tach will drop rapidly. Driving steadily in 4th, when the TC locks up, you will see the tach drop slightly and stay there. .
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. Subaru Ambassador 1996 Polo Green LSi #216..138,100 miles...SOLD JFICX8659TH100216.....Date of Manufacture: November 16, 1995..... Fuji Heavy Industries..Ōta North Plant....Ōta City,. Gunma Prefecture, Japan In-Service Date: January 2, 1997 "The Pristine Green Polo Machine” First Polo Green on the Network First Clear front turn signals, JDM Alcyone hood emblem, rear panel, and BOXER engine cover on the Network (US) (2000) First 5000K HID factory fog lights (2007) First SVX JDM BBS wheels on a USDM SVX (2013) HID lighting (5000K) for headlight and H3 fog lights, PIAA SuperExtreme 120W high beams, rebuilt EG33 longblock, Cometic head gaskets, Phase II flexplate, AMR aluminum radiator with custom silicone hoses, 160A high-output alternator in aluminum-ceramic coated case, new design alternator wiring upgrade v.4, rare factory headlight protectors, refinished JDM BBS mesh aluminum wheels and custom, polished billet aluminum new hex center caps, LED grille mod, R1 Concepts high-carbon cryo slotted rotors, Akebono ceramic pads, Goodridge S/S braided brake lines, Smallcar Stage 1 shift kit, ThermalTech aluminum/ceramic-coated valve covers, Energy Suspension urethane front & rear swaybar bushings, Bontrager22 rear swaybar with QS Components Chromoly Teflon/Kevlar endlinks, "$15.00/5 minute" suspension mod. Hella Supertone horns, Custom stainless steel exhaust system with 2" headpipes, Magnaflow cats, AeroTurbine AR25 resonator /AWD "Bullet" muffler. R.I.P. 2010 Subaru Outback Limited 2.5 CVT...338,000 miles. Totaled by a 1,300 lb. COW March 4, 2016 2014 Hyundai Avante Limited ...178,000 miles. Actually quieter and smoother than the Outback 2007 Mazda Miata MX-5 PRHT...102,000 miles. Plenty of parts, service and windshields. 4th Registered Network member —2/21/2001 My NEW locker..I...My Email..I..Wikipedia/SVX . . |
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