Having owned a copo 69 Nova with L72/4spd & Hone overdrive unit and also a 68 El Camino with 468" & 700R4, I can tell you my first preference would be for the GearVenders set-up. Both worked very well w/o any problems but one will require a change of transmissions. A GV unit is more expensive but probably worth the extra bucks. Just my opinion,though.
Clint Hooper
LT5 Registry Director
Wichita Falls,Tx
(940) 855-6636
'91 ZR-1 Callaway Aerobody
TX TAGS: USA ZR1
http://www.LT5Registry.net/
'69 El Camino Pro Street
----- Original Message -----
From: jlon5
 
Anyone have any opinions on Gearvenders under/over drive verses a 700R4 tranny swap. I currently have a TH400 driving a 3.73 12 bolt posi and the revs are way to steep for long highway cruisin', 3000 @ 60 mph. Would like to drop them down to around 2000 @ 60 without swapping out rearend.
 
Thanks in advance,
John L.
70 SS454
ACES #5597

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