I can see your point,Andre,but an 8-71 blown BBC isn't going to get great fuel economy no matter what you do to it. If the car were mine,and it isn't,I would forgo the OD idea altogether and go with a built TH400 and low 3series gearing. Clint Hooper H&H Custom,owner 1969 El Camino ProTourer 2001 H-D FLHR custom bagger http://dalesplace.com/misc/friends/clint/clint_hooper.htm ----- Original Message ----- From: <[EMAIL PROTECTED]>
If you want an overdrive go for a 4l80, if well built they can hadle 1000/1200hp. I do not agree 100% with Clint on the overdrive thing, in my opinion the more gear splits you have(to a limit), the less fuel you will consume. Ciao Andr� > I see many of you talking about having 700 series tranys on your car. I have > a heavy Duty 400 on my Chevelle. Works great! With the 454 engine and the > blower...the gas mileage isn't great. I'm having a 3.73 ratio installed on > my 12 bolt. > > First can a 700 trany handle 700+HP? How much gas savings do you get with > your 700 trany? I know someone will say...what the heck do you expect with > that kind of set up, but I have to ask. I do probably more cruising than > strip! > > Just curious? > > Dan > Wharton, TX > > > >
