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take the car out now, put it in 2nd gear and cruise 60 mph for 30 minutes. IF that drives you nuts, then you don't want 3.55's or 3.73's.

248* @ 050 in a stock engine and stock converter :lol:

I see you just posted what i was typing :lol:

Too much here. If it's lumpity lumpity lumpity camshaft, then it needs better compression than 104-108 psi Is the converter even remotely close to supporting the cam??? Who knows, could be stock for what we know I personally would replace that cam with a smaller one. Simple, not that...

that ^^^ (aggressive lump) + your low compression + your high altitude = a dog.

Also, if the timing set is retarded it will add to the symptoms.

Yes, and the cam could be a factor in lowering the compression. The compression is pretty even across the board, which generally isn't just one or three bad valves or a couple of cylinders with bad rings. It would be kind of strange that all would be equally hurt. But, I know cars suffer...

at that elevation, and that compression, you are correct, it will be a dog. Your gears help. But in the end, 140 psi per cylinder would be a huge difference. 125 psi minimum to have some "snap". We don't know about the cam or converter....??

could be rings, could be valves. what elevation are you at ?

Compression is low. Even too low for a stock 360

Your TF heads and Victor intake will double the cost ..... I'll go halves with ya if it goes in my car :)

DODGE ATK High Performance Engines SP61 ATK High Performance Chrysler 408 A Stroker Short Blocks | Summit Racing I just did without getting greasy !!!! :D

most all these answers are correct. All will net better performance. I think it would be best to pick a goal (ET or something) that is your target and see where your 3k can work the hardest to get you there. Move the dial closer to the target (or past it!) so to speak.

Man, all I see anyone getting is a "general" at best ball park number. And that's using MPH from the time slip and weight at the start line. But sooooooo many variables still yet... HP = *** give or take 65 LOL

I think you have more in that combo than 12.8's. However, most stock blocks will handle a 100 shot, but that "extra 100 hp" on top of the already "extra hp" of stress will shorten the life of a stock bottom end

My opinion, my way, I let the engine decide what the total timing should be. My 360 in one Duster is about 35*, and the 318 in my other Duster is about 40*. So many variables, that honestly, for best performance I believe the engine must decide.

I should have said what I meant at low lift. .400

flow at low lift is important matching the rest of the car to the engine is important having the car "work" in itself is huge. My point is, a well sorted out 385 hp powered Duster can beat a 485 hp powered Duster if the 385 mule is in a car that is well sorted out.

You can echo that 9x in my canyon.... LOL Truth of the matter, I love multiple projects :) It's how I enjoy the hobby

This thread has me reconsidering some things..:realcrazy::realcrazy::realcrazy:.....

I get ya, and not to nit-pick but just incase somebody else reads this you need air/fuel mixture to be somewhat ballpark correct, timing (be somewhat close on both ignition and valve), and compression to go along with your spark/gas. I know it's not the OP's issue, and I don't know what it...

100% agree! A lot of "12 second" street cars go down to make a 14 second pass... LOL. And it isn't always traction, sometimes they have a 12 second car because somebody "told" them it should be 12's... LOL

I was there... too. I thought I had a decent build, as you described. Until a guy with much less ran a second faster than me. I wasn't upset, I only wanted to learn the "why's". I don't count myself as a super tuner or anything of the sort. But my personal expectations for my cars and...

I took the first comment as a joke. :) 2nd comment - J par complimenting me on tuning??????? ... LOL :D 3rd comment - no more to tell. My car's details are on this site - you all know the car as well as I know it. (not looking for a platform.. LOL) You are correct, though, I expect sarcasm from...

I sense a lot of sarcasm in these posts.....

…oops, double post :D

LOL.... I can think of somebody..... :D

there is only one logic with me.... give the car what it wants.

yeah, most wouldn't put a 750 Double pumper on a stock 360 with stock converter and 2.76's..... I get told all the time how I do it wrong, ya know, traction bars on a Mopar? And that Carb?

LOL... Cordova Dragway. Flat and asphalt, 600 ft above sea level.