Tech Area > Transmissions
Torque Convertors/Turbo Combos-Real World Results
Scoobum:
The biggest question I get is, why is my MPH off from ET. 9 times out of 10 they're running a LU convertor unlocked...at it's slipping like a whore on the big end. I'm well aware of RPM drop at the shift points and what the convertor flashes to on launch as being critical...but I'm gonna post the best of what I've seen in regards to how well the convertor is coupling on the big end. All engines are stock stroke with good heads.
Scoobum-11.5 at 121 for Street Class. 6.7 at 105 for Sportsman Class. Turbo 6262. Convertor. Art Carr 16930
Norbs-10.3 at 134. 70 P Trim with large exhaust housing...poss ibly .91. Precision multidisc 2800 LU
Grumpy-9.97 at 138-6776-9/11
Brandon-11.01 at 123-6131 DBB-Off the shelf 2800 PTC NL
Rich aka Bird-9.68 at 138-70 GTQ-Art Carr 19930
JB Racing-10.2 at 13x-70GTQ-Art Carr 19930
Bison-9.97 at 134-6265-PTC 9.5
Jim aka gusszgs-11.4 at 117-60 series-Husek 3021
Dan Keller-11.5 at 123-6262-PTC 9.5
Grumpy:
Ours is a 9/11 LU :cool; 9/11 is sitting with an old motor an trans. Her new set up is a stroker with a PTC NL. Still hung up on LU's here unless your trying to get every single 100th out of the car :rofl:
Forzfed:
Dan, did you do a run with it not locked up? And if so what was the ET and mph difference?
reality:
--- Quote from: Forzfed on January 20 2018, 02:27:24 PM ---Dan, did you do a run with it not locked up? And if so what was the ET and mph difference?
--- End quote ---
And how does that compare with a good nonlock? ET and mph
Scoobum:
--- Quote from: Grumpy on January 20 2018, 01:17:47 PM ---Ours is a 9/11 LU :cool; 9/11 is sitting with an old motor an trans. Her new set up is a stroker with a PTC NL. Still hung up on LU's here unless your trying to get every single 100th out of the car :rofl:
--- End quote ---
Dan...the reading I've done says you really have to buzz the RPM's to maximize a stroker. Any truth to that with you guys.
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