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  1. motorhead

    Okay, I admit I'm pretty impressed by the 2020 Corvette

    Is it wrong for me to think the exhaust note on a Hellcat is good but still pretty mediocre? I get that a stock cam, manifolds, cats, resonators, active valves, and mufflers are not a fair comparison to a custom cam, headers, and cambered mufflers. But, if I want auditory overload I start my wagon.
  2. motorhead

    MY TRANSMISSION REPAIR 8hp90

    https://www.sonnax.com/tech_resources/263-a-new-path-for-zf https://www.motor.com/newsletters/20121010/WebFiles/MMM_ZF_8HP_Tranny.pdf https://d2q1ebiag300ih.cloudfront.net/uploads/tech_resource/file/559/Sonnax_ZF8_Webinar_Part_1_of_2.pdf?v=1485788168...
  3. motorhead

    2019 "Poverty Pak" Widebody Challenger

    Lots of "not ordered" options on this one, and what I did option it with is less than 10%. I knew I was taking the path less traveled - but, this is an extreme divergence. Interesting that 21.5% of all widebodies came with a stick, and 20 in White Knuckle.
  4. motorhead

    "Project Demons Breath"

    Paint it pink.
  5. motorhead

    MY TRANSMISSION REPAIR 8hp90

    The machining and clutch packs/steels are usually the first step.
  6. motorhead

    MY TRANSMISSION REPAIR 8hp90

    Lots of guys going 9s on bone stock 4L80Es with TransGo shift kits. Lots of TH400s backed by Gear Vendor OD units on Drag Week. You don't want to know what it cost to build the 4L70E in my TBSS to support the Procharger... disgusting. The ZF8 is great, but either you want a race car or you...
  7. motorhead

    MY TRANSMISSION REPAIR 8hp90

    This reinforces the possible limitations of the controlling electronics, and not necessarily the hydraulic pump converting power into motion; but both will eventually hit a wall without physical or program changes.
  8. motorhead

    MY TRANSMISSION REPAIR 8hp90

    Disagree. Modern rollarization and new products from companies like ATI have fixed the legacy misconceptions. Plus, at these power levels you can "turn up the boost" to compensate.
  9. motorhead

    MY TRANSMISSION REPAIR 8hp90

    So is the suggestion here that the pump can/cannot keep up with the demands of the hydraulic system and is therefore RPM dependant? Because input speed and pump capacity aren't what I was addressing. My point is there is a distinct possibility that the limitations of the electronics (TCM...
  10. motorhead

    MY TRANSMISSION REPAIR 8hp90

    Are we talking about engines or transmissions?
  11. motorhead

    MY TRANSMISSION REPAIR 8hp90

    Spinning what?
  12. motorhead

    MY TRANSMISSION REPAIR 8hp90

    I covered this in another thread (think it was when Speedy caused his engine overrev) people fail to recognize that this a hydraulic pump and it's abilities and limitations are dictated by the physics of that system; including the acceleration rate. You can influence it's behavior with...
  13. motorhead

    MY TRANSMISSION REPAIR 8hp90

    Same thing I ran in the TH400 in my Turbo Buick. JD Hygard comes in a high and low viscosity formula, and you can loosen up or tighten up a torque converter with each version. You can tint it with normal ATF. Getting less than 20K miles out of transmission is never fun.
  14. motorhead

    Which Oil??

    I am fan of the Pennzoil Ultra Platinum line of oils and I use Castrol Edge 5w50 in all of my LS engines (it is a synthetic designed for older engines with more zinc and phosphorus). I used to use "German" Castrol Syntec 0w30 until it was discontinued - now it comes from Germany as a 0w40...
  15. motorhead

    2019 "Poverty Pak" Widebody Challenger

    Summit had a flash discount yesterday, the M/T front runners went on sale, and shipping is still free to Canaderp - so an order was placed for the above parts. The sales guy was super cool and helped me split my order so I could use the discount code twice. I am so looking forward to having...
  16. motorhead

    Heat cycle drag radials?

    Drive them on the street a few times and they'll be heat cycled enough. Then do burnouts for even more heat!
  17. motorhead

    C8 Corvette ZR1 to Get Hybrid Twin-Turbo

    1000hrspwrs! OMG! Okay, so what? Zero fucks given. This car could be so much more with less stuff.
  18. motorhead

    Which Oil??

    Any quality oil has never cost anyone an engine.


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