charlesvolare
Well-Known Member
I have a 904 behind a mild 360, probably around 350 hp and 325 ft/lbs I'm guessing. I built the trans with beefier clutches, and had it behind a stock 360 magnum for a bit as well. Has about 8,000 miles on it total, and I drive the thing hard. Stoplight to stoplight, there's never really much of a chance to get into third gear quick, but merging on the highways third gear has always been great. Second time I took the car to test & tune I noticed engine rpm would flare up on the 2-3 shift, so I messed with the kickdown cable (lokar cable, set up correctly as per instructions and internet for 7,000 miles prior) and it didn't do much so I put it back. A couple weeks later it started flaring on the street as well. Today, i discovered I can no longer drive on the highway due to the fact it won't stay in 3rd gear anymore.... there's a sweet spot in the pedal where it'll stay in gear, anymore and it'll downshift (not entirely onto second though, it's weird) any less and I'm just coasting. Not good for driving the highway with 3.55 gears. Whenever it would stay in gear, it'd hold. Pulled hard in third too. 65mph is right at the start of the good stuff at 3200 rpm, pulled to 90 in about .000001 seconds it felt like. The first 904 I built was for the original slant six, and that started doing the same thing; when I pulled that apart after the engine swap the front clutch pack was a disaster. I haven't touched the bands since I built it but every other gear is strong with hard shifts. Fluid is good. I'm just trying to come up with any reason it'd do this other than the front clutch pack is toast, any thoughts?
Here's a video of a pass, notice the 2-3 shift where I let off the throttle for it to go into gear:
It WAS like this, today is wouldn't even stay in gear...
Here's a video of a pass, notice the 2-3 shift where I let off the throttle for it to go into gear:
It WAS like this, today is wouldn't even stay in gear...