Manual trans swaps: Cheapest vs Easiest vs Best Performing vs Best Driving Experience
Also, if a stick car is bucking at low speeds, that is 100% carb tune up. No cam should ever do that. It’s a carb tuning issue.
I disagree with this.
In my experience;
I'm talking about a 230* to 248 * @.050 (the 292/292/108 Mopar cam), running with a manual trans, and a 750DP carb, at 500/550 rpm in gear; It bucks because;
a) the timing is all wrong, and b) the powerpulses at 185psi cranking pressure are just too high.
Simply retarding the timing to delay, and reduce, peak cylinder pressure, cures this everytime. I have to do the same for fuel-injected cars.
I have tried other things but nothing works as well, or as easy, as just good old-fashioned retarded timing. And with the dash-mounted, adjustable, timing box, this takes about a second.
Your experience may be different.
Please note; I'm not attacking you or your work. This is simply my experience.
A 30 pound flywheel covers a multitude of errors.
As for this, I totally agree, and I run one in mine, for two reasons, OK three,lol.
1) It smooths those pulses at low-rpm. and
2) When I take off normally,with a 10.97 starter gear, I blip the throttle to put some energy into that bad-boy, and more or less just dump the clutch. Not enough to chirp the tires, but enough to just take off nicely. 800 rpm in 10.97 gear is ~6 mph, and my 750Dp is happy to start pulling that just fine. and
3) it's what I had, and after I found out how to use it, I stopped looking for a lighter one at swap meets. and
4) Since my combo spins the tires so easy, and my shift splits are 78-80-78, with attending rpm drops of ~1200 rpm from 5700, as a streeter, I have never felt the need for a lighter flywheel.
I think I know where you're coming from, but not many can boast 1200 rpm drops.
I do this by using the GVod as a splitter, with a 3.09 Commando box. The ratios are 3.09-2.41-1.92-1.50 and 1.50 ratio with 3.55s gets me 88mph@5700, 93@ 6150
My 230 cam peaks around 5300 but the peak is fairly wide, so I let her buck, sometimes to 7000, the tires still spinning. Yeah, BFGs,lol. It's a streeter so I don't care about fast, just slipping and sliding.
And mathematically first-over gets me to 60@~6380rpm, tires blazing, but the tach is on the limiter at 7000.
