Rear Main Seal
#13
RE: Rear Main Seal
stall converters and torque converters for the most part just make the car burnout better, then may give you a couple tenths in the quarter mile. Shift kits, you put in the tranny. They are usually like 50-100 bucks, and give you a couple tenths. They make the tranny shift quicker and at a better rpm.
#17
RE: Rear Main Seal
A shift kit may actually lengthen tranny life. By shifting more quickly and a bit firmer you reduce heat caused by the clutches slipping. If you go with a mild shift kit, such as a towing/rv shift kit, you will get snappier shifts that won't damage the tranny. These usually come in the form of plates that bolt unto the valve body. Some kits require you to modify the valve body. This is kinda risky if you've never been shown how to do it.
To understand a stall converter you have to understand a torque converter. Even though your torque converter is directly connected to the trans and motor, the motor is not directly connected to the input shaft on the transmission. Therefore there is a medium between the motor and the tranny. This medium is the trans fluid in the torque converter. As your motor revs when you take off, fans in the torque converter spin up. The motor turns the first one, a second one directs the fluid and the third one turns to spin the input shaft of your tranny. Pretty much it works on hydraulic principle (you cannot compress a fluid.) Anywho a Stall converter replaces the torque converter and just slows down the process and delays the power transfer. Your motor will rev very quickly to a desired RPM (that's the stall bit, a 3000 stall delays full engaging of the trans until 3000 rpm) and then the power will come in. This helps because it doesn't bog the motor down in low RPMs. See for a 302 it's not a big deal because a 302 usually will have plenty of torque so a 1500 or 2000 stall is enough but a 4.6 is puky down low so a bigger stall is needed. Got it?
Headers are a huge power improver. You may notice a night and day difference. If you are gonna have the car stored all winter, you may as well put headers on it. Full lengths are a pain but sound great and are better than shorty headers at producing power. Shorty headers will still sound good and are a performance gain and will go in easily. Shorty headers will also maintain use of your exhaust, whereas full lengths will require you to buy new exhaust.
Erik
To understand a stall converter you have to understand a torque converter. Even though your torque converter is directly connected to the trans and motor, the motor is not directly connected to the input shaft on the transmission. Therefore there is a medium between the motor and the tranny. This medium is the trans fluid in the torque converter. As your motor revs when you take off, fans in the torque converter spin up. The motor turns the first one, a second one directs the fluid and the third one turns to spin the input shaft of your tranny. Pretty much it works on hydraulic principle (you cannot compress a fluid.) Anywho a Stall converter replaces the torque converter and just slows down the process and delays the power transfer. Your motor will rev very quickly to a desired RPM (that's the stall bit, a 3000 stall delays full engaging of the trans until 3000 rpm) and then the power will come in. This helps because it doesn't bog the motor down in low RPMs. See for a 302 it's not a big deal because a 302 usually will have plenty of torque so a 1500 or 2000 stall is enough but a 4.6 is puky down low so a bigger stall is needed. Got it?
Headers are a huge power improver. You may notice a night and day difference. If you are gonna have the car stored all winter, you may as well put headers on it. Full lengths are a pain but sound great and are better than shorty headers at producing power. Shorty headers will still sound good and are a performance gain and will go in easily. Shorty headers will also maintain use of your exhaust, whereas full lengths will require you to buy new exhaust.
Erik
#18
RE: Rear Main Seal
I installed the shift kit, IDK how much time it has shaved off of my 1/4 mile times (I still have yet to get to the track it's like 100 miles away... literally) but it made a big difference, I imagine once I put some 3.73s in I'll be able to chirp into second. But I'll just have to see.
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tj@steeda
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09-01-2015 08:16 PM