Originally Posted by A/MP
Street SB w/2.74 and 430 rear about 450HP. Bigger trans tunnel for the 518 plus reliability? Never knew anybody that used a gearvendor. Any thoughts?


GV when not in use is like a clean neutral and robs no HP, only weight. On the other hand, if the 518 is like an A500, you are spinning the entire OD section even when its not in use....I was told I was losing as much as .5 in ET from this on my old pro street truck.

'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk