Lockup only drops the RPM by about 300 at cruise. I have lockup & doubt that I gain more than .5MPG. My problem is that at cruise I am still below the torque peak. Make sure that your cam, torque converter & rear gears are matched to your performance goal.
On Wed, 02 Feb 2005 13:07:54 -0500, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > I'm running a 700R4 in my BMW SBC > project.http://www.personal.kent.edu/~wbainey/BMW.htm > I went with the NON-lockup converter based on the rebuilders > recommendations. It works fine for me but I would imagine if I would > have gone with the Lockup and a manual switch gas mileage would have > gone up a few MPG if I could keep my foot out of it. > Walt > > > ----- Original Message ----- > From: Wayne <[EMAIL PROTECTED]> > Date: Wednesday, February 2, 2005 1:01 pm > Subject: [Chevelle-list] th700R4 > > > I am gathering parts from my up coming street rod Project. 38 > > chevy coupe. I > > have a 700 R4 in my 65 Elky and like it . > > I stoped at the local HP trans builder. and we talked about what I > > wanted...He suggested a 89 later with all the transgo stuff HD > > sun shell > > 39 sprag and 13 vane pump.. ect But also said " In his opnion" > > He would > > prefer I use a NONE lock up converter with the none lock up valve > > and none > > lock up converter... > > 2000-2300 RPM none lock up converter and modified to run full > > fluid/oil > > flow in 4th gear. > > This will go behind a ZZ4 350 with the LT1 hot Cam (395 HP and 425 > > ftlb > > tourque) 9" ford .370 rear and 3300 LB aprox. > > > > Any feedback on the None lockup VS Lock up ? > > > > Wayne > > ACES 1556 > > TC 186 > > > > Ps I use the TCI scheme lock up with a vacumn switch on the > > elky.. > > > > > > > > > > -- Rick Schaefer
