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  1. 9

    8.8" Rebuild Help

    The stock visteon unit will probably be good for 20k miles but it really depends on how much horsepower you have. It is really hard to say. The Visteon units do ok but when they start to one wheel peel they will glaze the discs almost immediately. This is because the discs are just slipping and...
  2. 9

    8.8" Rebuild Help

    You obviously know you differentials. I think it has to do with the marketing. I work for Eaton and I have conducted various competive analysis on different units and Eaton is by far the best. Eaton does not spend a lot of money marketing towards the aftermarket. We focus primarily on oem...
  3. 9

    8.8" Rebuild Help

    The Tru-Trac is not a bad unit but there are a few things to consider. The unit is very similar to a Torsen in design and does not use any clutches. It basically creates bias torque (torque applied to the low traction wheel) by the angle of the spiral gears. When there is not any load on the...
  4. 9

    8.8" Rebuild Help

    The stock limited slip made by Visteon is just a weak unit. It can be rebuilt but is not a very strong unit. The clutch discs are not very durable in design and they use a weak S-spring to preload the packs instead of a spring pack like Eaton or Auburn (cost save). The Auburn is ok but it uses...
  5. 9

    Rear End Noise

    After setting up hundreds of ring and pinions and conducting testing on hundreds of prototype differentials I have diagnosed many many rear end noise issues and I have gained a pretty good understanding of what noises different components will make. Ring and pinion (gear noise) will usually...
  6. 9

    AFR 165s PS3 install issue

    I did not know there is a PS2 kit. You are right about the seals. I was able to gently pry them off carefully without damaging the seals in order to reshim the springs. I first took a pocket screwdriver and gently popped off the garter spring on the seal. I then coated the valve stem with...
  7. 9

    AFR 165s PS3 install issue

    I am not using hardened shims (shims with the AFR heads not hardened). But the .030 shims with the kit are hardened so I am putting the non-hardened shims under the hardened shim from the kit. According to the PS3 instructions this is fine as long as the hardened shim is the last shim installed...
  8. 9

    AFR 165s PS3 install issue

    The first thing I did is follow the instructions from the kit and just removed the spring cups and left the shims. But after I did this and re-measured the installed height ranged from 1.809 to 1.817. Which is too tight according to the specs of 1.830-1.845. The next thing I did was measure...
  9. 9

    AFR 165s PS3 install issue

    I have the PS3 kit and I am having problems with the set-up. The stock AFR spring installed height that the heads originally have is 1.800-1.815. Ed Curtis set up the PS3 kit with shims that will get you .030 longer than the stock height. So since the kit shims off of the stock height the...
  10. 9

    Spring install height?

    The stock AFR height that the heads origionally have is 1.800-1.815. Ed Curtis set up the kit with shims that will get you .030 longer than the stock height. He does this by suggesting that people remove the srping cup which measures .060 and replacing it with the included .030 shim. So...
  11. 9

    What clutch ?????

    Thanks for the tip. I should have posted this in the tech section.
  12. 9

    What clutch ?????

    I am looking at the King Cobra or the Ram clutch kit. The King Cobra is rated to 400hp and the RAM is rated to 550hp. I have AFR 165cc heads, Edelbrock intake, Comp XE270hr cam, and it is estimated around 300RWHP. I also may be putting on a blower in the future. I am leaning toward the RAM, but...
  13. 9

    Rear End Noise

    It sounds like the ring and pinion is not properly meshed. It may have not been se-up right when the ring and pinion were installed. Does the noise change pitch when you let off the gas or accelerate? If this is the case then this indicates the ring and pinion are improperly meshed. The shimming...
  14. 9

    Best combination H/C/I, most power.

    Is the RPM available anymore? It seems like all that is available is the RPM II. Maybe if I get a Typhoon and send it to Tmoss I will be in good shape.
  15. 9

    AFR heads, intake/cam?

    That Cobra had a stock cam, ported lower intake, and reached 303 rwhp at 5300 rpm. Pretty impressive.
  16. 9

    AFR heads, intake/cam?

    I am just looking at what options would be the best bang for my buck. I am confident with the AFR heads, but just want to know what intake will work the best. You mentioned the rpm II is a good choice for these heads. But what type of low to mid power will the intake give me?
  17. 9

    AFR heads, intake/cam?

    Intake I already purchased the AFR 165 heads and upgrade valve spring kit from Ed Curtis (PS3). My question is what is the best intake to work on this motor? It is a weekend car butI want it to be streetable. I also want to get the most bang out of my combination. I was looking at other...
  18. 9

    Best combination H/C/I, most power.

    I just made the plunge for the AFR 165cc heads. I was thinking of going with the Edelbrock perfromer intake. You mentioned the Edelbrock RPM II. I am using this setup mainly on the street and want to have the option of a blower down the road. I am not sure which intake will be the best for my...
  19. 9

    Which roller rockers??

    Thanks. It seems like tons of guys are running the scorpions. They are all pretty competitive at around $200.00.
  20. 9

    Best combination H/C/I, most power.

    Best street strip combo N/A setup.
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