My nv3500 in my 03 Dakota behind a 239 v6 has been trouble free for 400,000 miles other than changing the clutch. Not sure what you would do for a speedo though
I did a mockup of this very thing for my 67 318. The oem roller lifters are too tall and the oil band cleared the top of the lifter bore with just the stock 318 cam. If you wanted to bush the lifter bores, i’m sure that would correct that problem. But after all that hassle, it would probably...
Depending on the chamber volume and what they actually measure at, you could use kb399’s. They’re domed and could put your compression up higher where it won’t be a lazy low compression combo. What axle, gears and tire size does your car have? That has to be considered for your cam. Stall of...
Everything has it’s limits. Weight, sticky tires or street tires. They do make 29 spline axles and crush sleeve eliminators for them. In the end, you may be money ahead in the long run with a 60 if you intend to race
Not sure on the un reliable part. Hit or miss perhaps. My 03 dakota with it’s 3.9 just passed 401,000 this week. I bought it new 21 years ago. My daily driver