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  1. BullfrogJohnson

    Need A Pulley For Mechanical Fuel Transfer Pump

    I have a gear driven pump that I am trying to find a pulley or adapter to make it a belt drive set up. I have searched with no luck. Anyone have any suggestions?
  2. BullfrogJohnson

    S475 2.8 Race Cover

    Let me know what you have.
  3. BullfrogJohnson

    GT55. 96ar T6 Housing

    It came on a Turbo my friend bought, looks like its never been run. 300.00 plus shipping. Possibly trade for wastegate and mandrel bends for building twin piping.
  4. BullfrogJohnson

    33's vs 35's

    I currently run 33x15.50x16 mtz's. I carry 4200rpm's down the track in 4th gear. I have zero issues spinning out with mtz's. I came across a deal on a new set of 315 bfg at's. I know my track speed will benefit from a 35, but I am worried about spinning out. For those that run 35's how much...
  5. BullfrogJohnson

    T4 S400 1.25 Housing

    Like the title says. for the 87/83 wheel. Thanks
  6. BullfrogJohnson

    943hp 1326lbft!

    Ran my buddies (02bigstrokin) 03 duramax on the rollers today after installing set of hamilton's new duramax valve springs. Did a before and after run and picked up 100hp with the springs installed. Guess the stock springs weren't closing all the way like they should have been. Thanks for the...
  7. BullfrogJohnson

    billet comp wheel info needed

    I stumbled across a billet wheel and would like to know some more about it. Who makes it? What's it off of? What can it be put on? What's it worth? These are some rough measurements. Inducer: 63.5 Exducer: 93 Shaft: 8 I believe its out of cat charger. Also has extended exducer tips. I will...
  8. BullfrogJohnson

    1.00 S400 Exhaust Housing

    I have a 1.00 T4 housing for the 87mm turbine wheel. Has a machined DP flange to fit HX-40 DP. 100.00 bucks plus shipping or will trade for 1.10 or bigger T4 for the 87 wheel with the standard marmon flange.
  9. BullfrogJohnson

    Bigger Than An HX-82?

    I was looking around at super stock tractors and was curious what turbo this was.
  10. BullfrogJohnson

    What Turbo Is This?

    I found this compressor cover in the dumpster at work. Im guessing it came off a 3500 series genset but really dont know. Inducer is 4.6" and the cover is about 17" tall. Just curious what it was and what it came off of. Shouldn't be too hard to figure out since there aren't alot of big reverse...
  11. BullfrogJohnson

    PT88

    Anyone ever run one as a single? What about a PT8847?
  12. BullfrogJohnson

    Drawbar Hitches

    I am moving up to the 3.0 class and I am wanting to redo my hitch to meet the open hitch rules. I would like to see some pics of a good draw bar setup and eveyones ideas on the best way to set them up. My truck is a ccsb.
  13. BullfrogJohnson

    Issues with S300 wastegate cover plate.

    Buddy has a GT45 over a S366 and the wastegate cover keeps blowing the gasket. Have tried silicone several times and even tried to making a gasket for it out of header gasket material and i keeps blowing through it. I have checked for flatness but it keeps blowing through it. What gives?
  14. BullfrogJohnson

    Velocity Stacks

    Where is a good place to find a 5" velocity stack?
  15. BullfrogJohnson

    Help Identify Turbine Wheel

    I just got a s400 charger and I need a to find a new exhaust housing for it. Taking measurements with my caliper I am getting 87.40mm inducer and 80.30 exducer. I have a housing for a 88mm inducer but the exducer is to small for this charger. Anyone know what wheel I have and is it a stock S400...
  16. BullfrogJohnson

    Hood Stack

    I need a piece of 6" or 7" straight cut chrome. I hate to buy a brand new stack just to cut if down. Anyone got anything laying around? Thanks Travis
  17. BullfrogJohnson

    96/87mm T4 .90 for S400

    Like the title says Thanks Travis
  18. BullfrogJohnson

    S400 .90 Ar 74/83

    I am looking for a t4 .90 housing Thanks Travis
  19. BullfrogJohnson

    Air Pressures with MT's

    I have my first hook of the season this weekend. I ran BFG at's last season with good success. I recently swapped to 305/70/16 MTZ's for a little more bite on our tracks. I have never run mud tires and I am curious as to what pressure I should start at? Track is clay.
  20. BullfrogJohnson

    Need 2nd Gen Tow Mirrors

    I need some 2nd gen Power Tow Mirrors What vender has them, I hate buying things from Ebay Thanks Travis
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