Hays offers stock size and weight as well as custom applications built to order. Why can't I get my clutch to release and shift properly after it is completely installed? This is typically means the clutch needs adjustment. Adjustment procedures vary by vehicle and can be found in most service manuals. Why do I need to use a SFI-certified steel flywheel instead of a cast iron flywheel? How much static pressure clamp force do your Hays clutch pressure plates give out? Neutral internal Balance engines and flywheels are each balanced as an individual unit.
In other words, the engine and flywheel are in balance with or without the flywheel mounted to the crankshaft. A Factory Balanced external , or Detroit Balanced engine uses the flywheel to balance the engine assembly. With the flywheel off of the engine, both the engine and flywheel are out of balance. No, all Hays pressure plates and flywheels are dynamically balanced to extremely close tolerances. However, if you are having an engine assembly re-balanced, it would be a good idea to include the clutch components to insure tolerances be as tight as possible.
Static pressure, also referred to as base pressure, is the amount of spring pressure in pounds per square inch that is exerted by the pressure ring to the clutch disc when the clutch is engaged.
Certain Long-Style pressure plates use levers that have extra weights on the levers to provide centrifugal assist. We receive returned discs for warranty that are installed inside-out and bent when a customer tries to put the disc in backward. With the flywheel installed on the engine, lay the clutch disc on the flywheel and rotate it some. It must sit flat against the flywheel and not be contacting the flywheel bolts as you rotate it.
If the disc does not sit flat, make sure you have it in correctly. We do not recommend this. Tightening down the cover puts a load on the clutch cover flange since you are pulling it down against the pressure of the diaphragm or coil springs. Using power tools can cause this flange to bend which will leave the fingers uneven once the clutch is fully tightened down. This can cause extreme clutch chatter. Please see in our Hays website. Yes, setting the proper release on your clutch is very important — not only initially, but periodically going forward.
A mechanical linkage should be adjusted for minimum release; that is only enough release that the clutch will disengage cleanly for shifting. This will result in a pedal lower to the floor and leave maximum free play. As the clutch disc wears, the fingers of the clutch will get taller, and if you have the bearing adjusted too close, it could ultimately unload the clutch fingers and not let the plate put its full load on the disc.
This will cause undue slippage and wear. This applies to mechanical or cable type clutch linkage. My flywheel looked pretty good so I just went ahead and installed the clutch. Do I have to resurface my flywheel before a new clutch install? We have been asked this many times. No matter how good the surface may look, if you want the new clutch to seat properly, it needs a fresh friction surface to seat against.
Obviously the clutch disc is the part of your system that will physically wear the most. Changing only the disc is setting yourself up for problems. As the clutch, disc, and flywheel wear in, the surfaces build a taper that the clutch disc will conform to.
If you install only a disc, it is going to make contact on the outer edges only and will never properly seat. Ultimately this will cause premature slippage and will most likely chatter on takeoff. First of all, be sure all mounting fasteners are torqued correctly, this is very important. The actual adjustment will vary depending on the type of pressure plate being used.
With the clutch pedal completely depressed, a diaphragm should have. On vehicles with mechanical linkage, with the pedal released, an air gap of. On cable and hydraulic applications, the throwout bearing face should rest lightly on the pressure plate fingers. No we do not recommend this. A way to damage the flange of the clutch cover is to tighten the bolts down completely in one shot instead of in a star-shaped pattern.
This can damage the flange and also cause the fingers to sit unevenly. Tighten the cover bolts ONLY with hand tools, and use a star-shaped or crisscross pattern, a few turns at a time, just like torquing your wheels in place. Where do I need to send my flywheel back to in order to get it "recertified" for SFI?
Please refer to the "support" section of our website to fill out a repair form for recertification. The Super Shifter makes no modifications to the mounting hardware and will not fit into factory consoles; they typically mount high and at the end of the tailshaft to use the straight linkage rods. I would like to add a T-Handle to my Hurst shifter. What thread size do I need? One exception to this is the T six speed shifter.
Parts are no longer available for Hurst Lightning Rod automatic shifters. I have all of the factory numbers off of my transmission, can you tell me what it is and what it came out of? Unfortunately, it would be impossible for us to have listings for all of the different years and types of OEM transmissions by part number. What we have done is put pictures of the various 3 and 4 speed transmissions, as well as automatics, in the back of the Hurst catalog.
Below each picture is a 3 digit identification number which can be used to determine the correct shifter and installation kit for your application. I have often wondered what the difference is between the nylon and steel bushings you offer in the Hurst Pit Pack. Steel is better right?
Maybe not, the steel is stronger then nylon, but with nylon you do not get the harsh rattle noise on highways with a softer tone ,it makes life a bit more pleasant.
Part Be the first to write a review. Notify Me When Available. Your Price. Add To Cart. Add to Wish List Create a new list. Does it fit my vehicle? Our Hi-Tek deep transmission pans are constructed from AT6 aluminum and are cast with thick internal and external fins, adding additional strength and increased cooling properties.
The deep pan design increases fluid capacity by 4-quarts over the stock O. All these features combined help dissipate heat quicker netting lower transmission and fluid temperatures prolonging the life of your transmission, transmission fluid and corresponding components. Other features for this popular pan include a filter, filter extension, gasket and drain port with magnetic drain plug for clean and easy servicing.
Includes detailed instructions with all necessary hardware for an easy at home installation. Service Parts.
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