Sounds like you never shifted into OD. TC locks up around 45-ish mph IIRC. Feels like a 5 speed as the shifts are 1 - 2 - 3 - TC lockup - 4(OD). I may get a chance to get back on the expressway this Saturday so I can try it then. I remember the shift after 45.Dec 18, 2020 · This chart is based on 65 MPH and a gear ratio of 1:1, on a manual transmission in 4th gear. Please NOTE: If you have an automatic transmission your RPM will higher due to slippage in the transmission and the torque converter. 1989 Pontiac Firebird T he 1989 Pontiac Firebird came as a base, Formula, Trans Am, and Trans Am GTA. With a wide range of engines and options, the Firebird spanned several price points, ranging from $12,000 - $20,400. Someone told me it is a vehicle speed sensor or another sensor. Antfire Shifter Brake, Bicycle Gear Shifters Bike Speed Shifter Brake Lever Combo Set (3×8 Speed) with Shift Cable for Mountain Bike Cycling (1 Pair). trans #4r70w - Answered by a verified Ford Mechanic 94 f150: 302 automatic, trans been rebuilt, been. Currently the two best options are the 2004r and the 700r4 but they both are hydraulic transmissions, meaning no electronics, meaning the brainless things are in control of gear selection, not you. However, with a lock-up torque converter which both come with you do have the equivalent of a 5 speed transmission with overdrive.
Max out one parameter, retune for your new shift points and you're on your way! 1964-1965 GTO 4-speed automatic shifter conversion kit with cable for models with 4L80E transmission. Energy Suspension short GM 1 5/8″ transmission mount (GMTM-S) is recommended. Oct 21, 2008 · If you have your TV cable too tight, the tranny will think you are under a large throttle opening situation and it will make the shift points later. You are right to look at the governor too, if you have excess dirt or wear in the tranny (in this case in the gov bore), your gov may not be operating correctly. New for the 1984 model year was a new option, the Turbo Hydra-Matic 200-4R four-speed overdrive automatic. Available with the 305 V8, it improved highway gas mileage. The Grand Prix continued on the same rear-wheel drive platform, now under the name 'G-body', at the time w hen most A-bodies were moving to a new front-wheel drive platform in 1982. I think I need to have both for all the shift points (1-2, 2-3, 3-4) plus what is happening with the the downshift from (4-3) to get a good grasp on the complete operation. This 200R4 is a 1986 unit, and is not from a Monte Carlo SS or a Buick GN , so the valve body may be the factor in the shifting. If you put in low compression pistons (~9:1 or maybe a little more with the cool heads in the LT1) you can easily go to 15 psi, maybe more on good gas (as long as you intercool). With the larger displacement (5.7L vs. 3.8), you need 1.5 times the flow with similar shift points, so that would be like a TA44 or TA49.
Please list your 1-2, 2-3, and 3-4 shift points in RPM and MPH, including programmed vs. actual, if you know off hand or have access to such information. You could be a street driver or 1/4 mile racer with huge slicks, even better!dropping in speed to under 8 mph (from over 20 mph) without selecting first gear in 2WD mode. shifting to any of Park, Neutral, or Reverse gears. In Auto mode: Gear is selected according to a 16x9 (speed X load) shift table which selects the target gear based on the current vehicle speed and load (the lookup table is user configurable). Discussion 2012 Sandhills Open Road Challenge R/C Blogs. R/C Blogs UNGN's blog Discussion 2012 Sandhills Open Road Challenge UNGN's blog Discussion 2012 Sandhills Open Road Shift shock when the automatic transmission changes gears. This is an intermittent, ongoing occurrence. Mazda has issued a "technical service bulletin (tsb)" (#05-005/05) to the dealers to repair ... Currently the two best options are the 2004r and the 700r4 but they both are hydraulic transmissions, meaning no electronics, meaning the brainless things are in control of gear selection, not you. However, with a lock-up torque converter which both come with you do have the equivalent of a 5 speed transmission with overdrive.
Shifting points are not fixed, and depend on a lot of factors, including the car's incline, the accelerator pedal position (if you floor it, it shifts later than if you'd accelerate moderately or let the pedal back for a tiny bit for a second), and also If you're not satisfied with the "factory" shift points, just use the latter.You can see effects 1, 2 and 3 in the figure above. In this figure, you can see that the two gears are rotating in opposite directions, that the smaller gear is spinning twice as fast as the larger gear, and that the axis of rotation of the smaller gear is to the right of the axis of rotation of the larger gear. Mar 11, 2004 · The 200-4R has closer ratios, and a deeper overdrive. Basically, the 700-R4 will complement a car with numerically-low rear gearing (eg, 3.08), while the 200-4R will complement a car with numerically-high rear gearing (eg, 3.55). In general, the 200-4R seems to be the superior transmission, but it depends on your specific application. • Erratic shift points • Weak shifts • Will convert a 350C to a 350 • Erratic passing gear shifts • Premature clutch failure • Premature band failure The 200-4R Shift Correction Package Kit (K200-4R) Helps eliminate the following problems: • Sloppy 1-2 shifts • Erratic 4-3 shifts • Throttle There are 6 1970 Chevrolet Monte Carlos for sale today on ClassicCars.com. More listings are added daily. Email alerts available.