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Re: Is the 360 an inherently inefficient engine?
[Re: 70Cuda383]
#1622062
05/21/14 04:07 AM
05/21/14 04:07 AM
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Quote:
Same heads, same cam, same intake, same exhaust, the 318 will make the same HP as the 360, just at a higher RPM.
In other words, more head, more cam, and the 360 will blow away the 318.
My 5.9 had eddy heads, is making around 400 crank HP. and still gets 16 mpg overall... With a heavy foot.
Sounds good. Its still hard to get excited about putting a 318 in a mean looking muscle car, but as long as it outpowers my old A66 70 340 i'll be happy, and i cant see it not doing that.
Quote:
The mustang 4.6 has much better heads than the 318 or 360, thus why it makes more power and gets better mileage than any 5.2 or 5.9 with stock heads.
Yup... better everything, plus the fuel injection and computer that lets me lug a 7000RPM screamer around at 2000 RPM (if need be) and still get wicked MPG. The best part is the 425lb weight and direct 5/6-speed bolt-up... but i digress...
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Re: Is the 360 an inherently inefficient engine?
[Re: 340duster340]
#1622063
05/21/14 04:08 AM
05/21/14 04:08 AM
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Quote:
what car is this going in?
70 Challenger T/A clone. Street-legal road racer i can daily drive... thats the goal.
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Re: Is the 360 an inherently inefficient engine?
[Re: RUNCHARGER]
#1622064
05/21/14 04:28 AM
05/21/14 04:28 AM
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The ripoff gas prices in Canada has everyone rethinking their builds lately. I kept the 383 in my sweptline rather than dump in a 440 like I normally would have and on my Challenger I went with a 528 rather than a 572. Both decisions were strictly based on potential fuel economy. I would have done a 472 for the Challenger but I wanted to lose the 20 lbs from the cylinder walls going out to 4.5 would do.
Sheldon
Tell me about it. You're doing pretty well, so if YOU'RE thinking economy, then imagine where i'm at.
First plan was a 800HP 6-71 B1 lowdeck (stock stroke) 400 or offset-crank 426 (had collected every single piece but the cam). That was when gas was a LOT cheaper. Next plan was a N/A 400 or 426 lowdeck B1 with about 600HP (that was about 10 years ago). Next plan was a 450ish HP 383 (still have all the stuff for this). Now i'm thinking 318 Magnum wishing i could afford a Coyote swap. I hate this province.
I just want to DRIVE my car... every day. Commute in it. I dont know a single car guy with an old car that actually DRIVES their stuff more than once a month now. I'm not gonna be that guy. I'll sell the car first and buy a Cobra. The goal is to have a fast enough, fun enough, efficient enough and reliable enough car that i can finally sell my 96 GT and not hurt for it
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Re: Is the 360 an inherently inefficient engine?
[Re: Rob C]
#1622068
05/21/14 08:59 PM
05/21/14 08:59 PM
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Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
70Cuda383
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Marysville, O-H-I-O
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Here's my 4,000+ lb pick up truck with a 318 The only aftermarket pieces are the cam, intake, headers, and computer re-program. http://youtu.be/PSFEIY5_iwsImage what the same motor and trans would do in an Ebody that's 500 lbs lighter and has better aero.
**Photobucket sucks**
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Re: Is the 360 an inherently inefficient engine?
[Re: PHJ426]
#1622075
05/22/14 03:07 AM
05/22/14 03:07 AM
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Quote:
My old 72 RR 508 RB pump gas 6 pack stage VI max wedge port heads extrude honed HP manifolds into 3" TTI X PIPED exhaust 9 1/2" ultimate converter concept driving a 2.94 sure grip and 255/50R16 in a 4000# package would muster 19 mpg highway at 65 mph.
Don't put yourself through all the trauma. Go with the new tech Coyote......it's the logical choice......Don't let your love of all things old Mopar cloud logical decisions from being made.
If you truly love the Challenger give it the gift of life with the new tech Coyote engine. You will not regret it.
Hahahahahahaha.... TAKING DONATIONS... . . .
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Re: Is the 360 an inherently inefficient engine?
[Re: gdonovan]
#1622076
05/22/14 03:12 AM
05/22/14 03:12 AM
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Quote:
Quote:
I just want to DRIVE my car... every day. Commute in it. I dont know a single car guy with an old car that actually DRIVES their stuff more than once a month now.
Good luck with your plan, I wish I could do the same. Unfortunately I live in a very congested area where..
1) People don't have an ounce of consideration for other peoples property. My neon is covered with purse, coat and body scratches, door dings and food cart dents.
2) Other drivers with poor driving skills, some with no license and insurance at all 'nuff said. CT has a sanctuary city for those fleeing oppression, paperwork is for suckers.
3) The ice melt this idiot state blows all over the roads if there is a single snowflake sighted. Don't laugh but I watch the plows go by my house with the blades down without a speck of ice or snow on the road.
As it is I'm buying a new Challenger for a daily driver and trying to get into the mindset of its a "disposable" car because if I try to keep it free of dents and scratches I'll lose my mind since that isn't going to happen.
Minus the snow bit... sounds like here. Yes, people suck. My Mustang cost 2K and i have a whole 1K more in it. It came with dings and tiny dents, a few scratches and really... if i need a panel i can find one in a junkyard and probably not even have to paint it.
BUT... My Challenger is faded to the primer (original paint) patina'd, dinged, dented a bit... It was daily driven by someone who wasn't a car guy (read: it was disposable too in a way), and so really... accidents aside i wont worry about it. I love ugly cars. Quite honestly... if it was painted and pretty when i bought it i would have sold it years ago. I'll NEVER paint it.
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Re: Is the 360 an inherently inefficient engine?
[Re: Rob C]
#1622077
05/22/14 03:15 AM
05/22/14 03:15 AM
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Quote:
These engines were only so good out from the factory. Basic bolt on's do wonders and even better with a MSD or equal ignition system. For a realitively quick ride, your missing a bit of compression and a decent cam. A converter and gears finish it up. It is possible to do well with dead stock heads as well.
I have an MSD Pro Billet for a lowdeck. I'll probably try and swap it for a small block one.
Phase one is as described above. Phase two will be a cam, maybe minor porting (i do myself) and shaving, maybe new heads if i find more money. No need for a converter... its a 4-speed.
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Re: Is the 360 an inherently inefficient engine?
[Re: 70Cuda383]
#1622078
05/22/14 03:25 AM
05/22/14 03:25 AM
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Joined: Jan 2005
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the frozen wastes...
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Quote:
Here's my 4,000+ lb pick up truck with a 318
The only aftermarket pieces are the cam, intake, headers, and computer re-program.
http://youtu.be/PSFEIY5_iws
Image what the same motor and trans would do in an Ebody that's 500 lbs lighter and has better aero.
Try 1000lbs lighter. This things GOING to weigh 3000lbs, tops. Just a bit more if i stick with the steel wheels.
And yeah, impressive. Like i said, i'm sold. I also have this lingering personality flaw stuck in my head. Had a friend that used to street race a 289 Maverick years ago. He had 302's, he had 5.0L's, he had 351's... all sitting in his shop, but no one could convince him to pull that 289. He built a second 289 that was even faster. All iron, all old parts. That was a scary car. He couldn't convince anyone it wasn't a 347 or sprayed... Guys started coming out from the city to race the 'nitroused Maverick'... It definitely liked the stratosphere, but he'd drive it from one city to the next one he worked in at 5000-5500 RPM the whole way (STEEP gears). Thing lasted forever. 289's got a lot in common with a 318...
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Re: Is the 360 an inherently inefficient engine?
[Re: 340duster340]
#1622079
05/22/14 03:29 AM
05/22/14 03:29 AM
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Quote:
would you consider an SRT4 swap? never seen one completed but have seen various threads about attempting to run a srt4 backed by an ma5 transmission.
its lighter, makes more power and is way more tunable in relatively stock form.
No chance. I'm a V8 guy. I dont care if you show me a 4 or 6 that will make 500HP at 40MPG... Zero interest. Wouldn't even put a Viper V10 in if it was free. Its all about the SOUND...
Funny though... while i was still in Pinto mode a few years back, i did the math on an AP1 (Honda s2000 2L) swap. Would have ended up lighter than an actual s2000 with that powertrain in my Challenger. Those are high 13-second cars. Chew on that...
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Re: Is the 360 an inherently inefficient engine?
[Re: JonC]
#1622080
05/22/14 03:32 AM
05/22/14 03:32 AM
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Joined: Jan 2005
Posts: 4,862
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Quote:
I agree, it is stupid and very distracting. Don't read most ov his (hers) posts because of it.
No... stupid and distracting is you not knowing how the internet works.. and having pretty much everyone else here wondering what or who the hell you're talking about...
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Re: Is the 360 an inherently inefficient engine?
[Re: PHJ426]
#1622081
05/22/14 03:35 AM
05/22/14 03:35 AM
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Quote:
http://www.allpar.com/mopar/la4.html
PR put one of these 1/2 an LA engines in that my Challenger. Weight savings of minus one head and some of the block and less intake.
Its missing the other half. Small detail i know...
For that kind ov coin i could pull a Coyote from an actual Boss and get the good stuff, plus a handful ov big cams for it. Maybe buy some nice wheels...
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