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Not a great example, torsion bars can't work with a live front axle and anything is better than front leaf springs if ride and handing matter. Look at late-model GM trucks and Dakotas, they used torsion bars for packaging reasons so there could be space for the CV shafts for IFS and 4x4. Other...

Thanks for the details on how to check rotor phasing, I'll confirm the cap from one of my spare distributors will fit this one and try it out. I got a chance to work on it today, I swapped the pickup leads and had to retard the timing a bunch just to get it to start. Seemed to run a little...

That's where I messed up, if I had known then what I know now I would have tried swapping the pickup leads first. Or... are you saying the rotor-to-cap phasing shouldn't have been off even with the leads reversed?

He could adjust the carb he has first before getting a whole other one. I have an AVS2 I've tuned on my stock 360 after running a 1406. AVS2 is more sensitive to the idle and light throttle cruise mixture being too lean and causing an off-idle stumble. Could also be a bunch of other things, we...

Well I don't really know a way to tell for sure if they're backwards but based on the fact that it runs better now with the ign box set to rising edge and that I had to change the phasing of the reluctor wheel (swap roll pin location) when I first got the distributor so it wouldn't misfire like...

Cutouts will pick up power especially if the exhaust system is a bit undersized or restrictive to begin with for the size and HP of the engine. What's really important is to have the cutouts sufficiently downstream of the collectors to keep the secondary tuned length. Iirc around 30-44"...

The tires definitely have drag. Back when I had an XJ Cherokee I put these same tires on it and it went from averaging 20 mpg down to 17-18. I will say I drove the truck yesterday and I'm not convinced the ported vacuum advance is the way to go. Performance was fine but when idling in traffic...

Understood, I do try to keep measurement methods accurate. I guess "horrible" is a relative term, it is after all a 3/4-ton truck and has 33" tires with fairly aggressive all-terrain tread pattern. Based on what most people over at Ramchargercentral tend to get on their old Dodge trucks though...

The Summit Billet distributor uses the same trigger setup as factory Mopar electronic distributors; it looks exactly the same under the cap. Where it differs is in the mechanical advance, it uses weights and springs supposedly adapted from the old Mallory units; much easier to adjust than the...

I did read that in the first post but I got to (over)thinking and confused myself with all of the factors involved. I like to think I have a degree of intuition when it comes to mechanical systems but with electrical... not so much lol. The main reason I ask is I have a Pertronix Digital HP...

Hey all, sorry to bring back an old thread but I think my question might be helpful to others... If the leads from the dist pickup are reversed but then the ignition module being used (aftermarket) is set to rising edge trigger instead of falling edge, would the trigger signal end up being...

Magnum lifters tend to be noisy when they have too little preload as opposed to too much. How much was removed from the cam base circle and how much longer are the current pushrods from stock?

I tried something else... I'm running a Pertronix Digital HP ignition box which allows you to change the trigger type between rising edge and falling edge. I changed that and reset the timing and it seems to run smoother; took a short test-drive and it runs great. I'm also going to experiment...

I got around to doing some more digging today. I'm leaning towards it being ignition-related. As I was watching the timing marks with a timing light while revving the engine I noticed it occasionally scattered a bit; mind you the timing chain is new and it has a Summit Billet distributor I...

Hmm maybe I should do that with .308, I don't go through much on the rare occasion I make it out to the range anyway.

Well I didn't want to spoil it but... the video is definitely a joke, read through the comments the creator basically admits it C'mon, "In 1964 after Britney Spears came out with that song Barracuda..."???

I'm surprised no 'Something something gubmint tryna shut down our hobby and force us into EVs' ? Oh this thread is hardly a day old yet silly me I was curious and checked torsion bar prices over at Sway-a-Way, $495!!! I paid $319 for a set from them 3 years ago. Hmm maybe I should start...

Good catch AJ, @604B1duster at about what road speeds does your Dart tend to upshift to 2nd and then to 3rd under part throttle?

I agree with the others on checking the servo spring first. One simple mod to firm up the 1-2 shift is to remove the servo spring and install a blocker rod; if that was done in your 904 along with a shift kit like a TransGo TF-2 or TF-3 the shifts will be extremely firm. I installed a TF-2...

I could add on to a bunch of what everyone else is saying to modify the engine with but until the tune is confirmed to be good there's not much point. 100-110 psi cranking sounds about right for a stock-compression 360 LA with a mild cam at that altitude. I lived in CO for 15 years, the thin...

N&P forum needs to exist, it's just a fact of life. Like said above, it keeps the negative garbage (well, most of it anyway lol) out of the rest of the forum so we can stick to just talking about cars and enjoyable things. I've been off and on it a few times but it does nothing for me because...

"Jay Leno went for a ride, I think he paid 50 bucks, probably worst 50 bucks he ever paid since it killed him" :rofl:

Scary stuff for sure, glad you came out not making impact! Good idea to get those BFGs swapped asap. When I occasionally drive my Duster nowadays it tends to be to and from work, worst times of day but don't get many other chances. Needless to say I watch the traffic around me like a hawk. I...

It's about 12 initial but I'm also running MVA, might try switching to PVA and re-tune, see what happens.

I briefly mentioned it in post #5 but not in the OP. Not sure of the condition of the seats on the new heads but the old ones were sunken badly, one exhaust valve was almost 1/8" up into the head. I'm trying to find the conversation with the FABO member to find more details on them. How can I...

I'd agree with this but I have doubts that's the problem as I replaced the original heads less than 10k miles ago with rebuilt late-70s castings I bought from a fellow FABO member that had stainless exhaust valves put in. I guess I could still check the stem heights at some point. I'll be...

It's about time for an oil change, I might dump some Marvel Mystery Oil in it and see what happens. The truck sat without running for 10+ years according to the seller when I bought it, might have some gunk in the lifters that never worked its way out. I have some new valve cover gaskets to...

That's a good idea, they can be removed through the cylinder head on an LA engine right?

I've been trying to figure out a weird issue with the 360 in my D200 pickup for years. Basically what happens is on rapid decel or when free-revving it, when the revs fall it sounds and feels like it's not running on a few cylinders for a few seconds. Does it worse when it's cold. I went...