A well built AOD or AODE. With the 3.73 gears, you're going to be taching very high at freeway speeds. An overdrive Transmission will at least drop your RPMs back down to a manageable level on the freeway.
with that kind of power i personally wouldnt even consider an auto. manuals are way too much fun. if youre building that kind of engine and running those gears you cant be worried about mileage and your engine should be just fine running high rpms. of course if you can afford it i think summit sells a richmond six speed for smallblock fords. thats the only tranny i would ever consider for a street car. but since i cant afford one i happily bang through the four on my toploader. just my opinion though
I have a C-4 that is so unmodified it scares me behind a 392W. Going on two years, no problems.
Interstate driving is not that much of a problem with a 1/1 transmission and lo gears. If you insist on running 80 or 90 with everybody else, your motor will be buzzing! All you have to do to live with lo gears is drop your cruising speed a little.
In my '68 with a well built 351W the first C-4 blew while on the test drive from the tranny shop. I am not sure what it was other than a lot of smoke and no more tranny. The second version they used the stronger pieces from later versions of the C-4 and worked fine until I sold the car. The best traction aid was a sometimes unwilling fat person in the back seat.
I have a toploader in my convertible. I wish instead of spending $600 to rebuild the toploader I had purchased a short shaft Tremec 3550 for the lower first gear and overdrive 5th gear. The vert has 3.25:1 rear gears and revs a little over 3,000 RPM at 70 MPH. Local freeway speeds sometimes exceeds 75 and even 80 MPH.
If you want an auto, any would work. A C4 will sap up the least HP from that 351. I ran mid 12's in my 70 coupe with a 351w, c4, 411 gears, and 9 inch slicks. Only mods to the trans was a rebuild, and a shift kit. Worked well.
What is so special about the 289 HiPo fan over the standard 289 Ford factory 4 blade fan? Does each fan use the same spacer? If you had a Hipo fan, did it always come with the fan shroud?
Not building concours car, but just competed my 22GT style HiPo like 289 2 bolt main and will be...
After reading this .pdf from a 2014 post on this board I'm fairly sure that a standard 289 v8 coupe came with the rubber isolated drive shaft.
Starting to lean towards putting re-balancing money (100-150$) towards a new driveshaft while pursuing other avenues of the vibrations. I've found that...
This is probably a dumb question... So I just realized the two middle headlights in my 69 coupe is not working. Are those two considered the high beam lights?
Is there a specific way to turn it on? As far as I know, there are two stages when I pull the light switch and that's it. Even...
Hi all! I didn't want to hijack the other thread I was looking in so I thought I'd start a new one. As others in that thread stated they are getting at least 20 mpg, but after some calculating I did when I filled up on Monday I found out I'm getting about 11. I don't have a lead foot, but will...
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