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  1. GNVYUS 1

    Rear gear ratio

    I have a feeling Spool is lower than 3.42 because he's like a 3.70 on a 30" tire (3.22). Hahaha https://tiresize.com/gear-ratio-calculator/ Effective gear ratio is what most of us 28" tire guys are really running, 3.42 turning into a 3.20. Most guys on here are lower than 3.42s since the 28"...
  2. GNVYUS 1

    Anyone use the complete UMI rotojoint rear end control arm set?

    Got those arms, the theory seemed worth the money if I could get the weight to transfer and tires etc to hook. I got the rear end aligned and with all the components the car hooks the way I want but it's many pieces, not just control arms.
  3. GNVYUS 1

    Governor Springs ?

    What rpm range are you looking to shift at? KC valvebody, juices shift points higher with stock Governor, then you can go even higher with governor weight reduction like Hyper stated. I still have 45mph 4th gear engagement etc.
  4. GNVYUS 1

    What’s the purpose of these blue boxes on LH side ?

    Not happening on mobile, DuckDuckGo.
  5. GNVYUS 1

    IDLE Vacuum issues - Need Assistance

    I have Holley HP in my GTO with my custom 12-1 setup so here's how we confirmed timing in the software/engine in these 2 ways.... Might need 2 people here.... 1500rpm Lock it out to 15 degrees in the V6 software, test light, confirm and tweak if needed. 3000rpm Lock it out to 25, test light...
  6. GNVYUS 1

    1984 Buick Grand National Wont Start

    Deleted reply once I read it is dead.
  7. GNVYUS 1

    IDLE Vacuum issues - Need Assistance

    Thanks Steve for the correction, I'll have to find a new calculator. LOL Brakes Help In case you're not Hydroboost or Manual Since you're at 7", which doesn't seem too low for your giant cam considering, you'll need help with your vacuum brakes. Leed Brake Vac Pump, in my GN sees 23" Hella...
  8. GNVYUS 1

    IDLE Vacuum issues - Need Assistance

    Sorry I'm wrong, 75kpa comes out to 22" vacuum on a different online calculator.
  9. GNVYUS 1

    IDLE Vacuum issues - Need Assistance

    75kpa is roughly 11" of vacuum correct? In my 400ci GTO when I had a 288/294 on a 110 I had the same 11-12" of vacuum, you have a 297/306, you're lucky to even have 11" IMO. BTW, this cam seems huge for a possible 4.2 to 4.5L V6, and getting it to idle at 800rpm would be tough in gear in the...
  10. GNVYUS 1

    Oil additive

    Yes, VR1 is maybe 1000 miles tops, I swap in that interval because damn it gets dark. Also as an ethanol car I don't want that building up in there.
  11. GNVYUS 1

    Oil additive

    VR1 is still a great oil at a great price in a 5qt jug, VR1 says they have roughly 1400 ppm zinc and 1300 ppm Phosphorus levels, my own Blackstone oil analysis did NOT back that up, way lower at 940ppm and 740ppm. If you're on the stock cam like 1kwiksix asked you'll want to keep your ppm up...
  12. GNVYUS 1

    Turbo Upgrades

    109 engine, Comp 58/58, 62/62 or 64/66 in 3 bolt .63 vs .85? V band. 83 vs above? T4 vs above? We've seen Dynomans big 69/71 but that's serious 109 splitting power.
  13. GNVYUS 1

    Turbo Upgrades

    A Supra online did a nice G30-770 (58/55) in a V band .61 vs .83 vs 1.01 and it was crazy how the .61 spooled slower and made way less torque and power on higher boost, big cubes mega choke in the smaller housing even on small wheels. Go to 8:30ish, the above dyno comparison is there. Curious...
  14. GNVYUS 1

    Turbo Upgrades

    If we're not on minimum 275-60 SS or Street Rs (DR2 Hoosiers etc) our torque will just obliterate the tires and be scary. The PTE 6062 is newest tech by them Comp Hubless is even better tech Garrett G Series Gen2 is on par with Comp Spool, curious what you see over time with the Comp 58/58...
  15. GNVYUS 1

    What's New Since My 2008 Killer 200-4r Build?

    I'll only drive it 2k a year if I'm lucky, that luck just started up so when you've had it since 97 and only 32k on it total, your bottom is pretty easy to jump over with joy. Hahaha
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