Today, dollar for dollar, is the 318 faster than the 340 ???

would you agree ?

  • yep, the 318 wins if buying and building for under 3k

    Votes: 48 41.7%

  • Nope, the 340 always has and always will beat the 318

    Votes: 57 49.6%

  • Actually, never thought about it like this... Good Point !

    Votes: 10 8.7%
  • Total voters
    115
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mygasser said:
UTG seems to be somewhere between a bit of fun and a laughing stock really so his results can be taken with a pinch of salt. the 320/325 hp 318 ought to fairly easy with the $3000 budget though in reality.
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I agree I think it can be done also though if one were to score a good running 68-71 340 "core"within budget they are already there hypothetically. I guess the 318 guy has his work cutout where the 340 guy may just have to lay a set of bearings and rings and a hone down. Hypotheticallly speaking for the challenge, 340 guy has to run his engine for three or so dyno pulls then get it home and tear it down and rebuild because tat that point the 3 grad cap is over. 318 guy is doing this and doing that, buying parts, heads, cam I don't think stock ported 318 heads will do it. (320 HP)well they didn't with that UTG Lunar outlaw engine dyno pull.
 
Acknowledging the parameters of the test, i think it simply comes down to the budget.
$1000 budget, free 318 vs $1000core 340, 318 clear winner
$6000 budget, 340 clear winner.
$3000 budget, i can see it going either way, depending on a lot of factors. I would probably lean toward a 318 with good aftermarket aluminum heads over a 340 with stockers.
 
Dartswinger70 said:
I agree I think it can be done also though if one were to score a good running 68-71 340 "core"within budget they are already there hypothetically. I guess the 318 guy has his work cutout where the 340 guy may just have to lay a set of bearings and rings and a hone down. Hypotheticallly speaking for the challenge, 340 guy has to run his engine for three or so dyno pulls then get it home and tear it down and rebuild because tat that point the 3 grad cap is over. 318 guy is doing this and doing that, buying parts, heads, cam I don't think stock ported 318 heads will do it. (320 HP)well they didn't with that UTG Lunar outlaw engine dyno pull.
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with decent heads compression and cam the 318 is easily capable of that and more. they are the 3 main things crippling 318's as we all know. same as with most 440's too, lol.
 
Can anyone predict how much HP a 318 will make for 3 grand and lay out the

recipe? I think I already know it will be in the heads and bumping up compression.

and a 340 ish cam grind.
 
not sure how to work it out but the 318 i've put in my valiant ran a 13.2 1/4 with a 4 speed and 4.11 gears in another 68 valiant. can anyone do a calculation for a rough hp idea?
 
mygasser said:
not sure how to work it out but the 318 i've put in my valiant ran a 13.2 1/4 with a 4 speed and 4.11 gears in another 6t valiant. can anyone do a calculation for a rough hp idea?
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Basics of it are power to weight ratio and HP/Torque. The 340 A body in its day had these specs dialed in.
 
mygasser said:
the 320/325 hp 318 ought to fairly easy with the $3000 budget though in reality.
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If I was to build a 3k 318, I'd be expecting 375 gross hp minimum. That would be my expectation. Just for funs off the top of my head, something like this parts list:
  • Promaxx heads -1400 fully assembled
  • maybe something like the lunati 702 cam kit - 240
  • edelbrock timing set - 75
  • KB167 standard bore pistons/rings - 390
  • Full gasket kit - 70
  • used RPM intake - 200
  • If the engine ran good, I'd most likely re-use the bearings and oil pump
  • 750 carb - 450
I have change left over....... You'd be pressed to buy and build a 340 to run with my combo.....
 
mygasser said:
not sure how to work it out but the 318 i've put in my valiant ran a 13.2 1/4 with a 4 speed and 4.11 gears in another 68 valiant. can anyone do a calculation for a rough hp idea?
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If you want a basic HP figure, all you need is weight and trap speed in MPH, ET is not a accurate indicator.
 
mygasser said:
not sure how to work it out but the 318 i've put in my valiant ran a 13.2 1/4 with a 4 speed and 4.11 gears in another 68 valiant. can anyone do a calculation for a rough hp idea?
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Do you remember the 1/4 mile mph?
Assuming 13.2 at 106, 3000lb car, 200lb driver, i got between 275 (et) and 295hp (mph), crank horsepower.
 
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318willrun said:
As of today, this day! To a point, yes! I'm on record stating a 318 is faster than the 340 "dollar for dollar". Not better than the 340, not worth more than the 340, not faster equally built than a 340, but faster dollar for dollar.

I looked TODAY, and I found this complete but disassembled 340 for 1500.00. This would be in my "region", and I'd travel round trip about 5 hrs, so add gas and a burger/fry to that making it 1575.00 and we donate the time!!
340 Chrysler Mopar Engine - $1500 (54603) | Auto Parts Sale | La Crosse, WI | Shoppok

Seems to be the claim here on FABO that 318's are "free", good running ones too.

So for the sake of discussion, lets give the above 340 the benefit of doubt that its a solid core. So we are re-ringing it, honing it, and apply a valve job w/new springs and new exhaust valves at the local machine shop. We got lucky, valve guides were ok to use. Next we add a FT hyd cam of choice, with an aftermarket intake such as a Eddy RPM or Stealth. We can assemble ourselves and we are sitting at about 2500-2800 into this re-ring/bearings oil pump timing set fresh heads and assembled at home.

Could one put the 2500-2800 into the free 318 and out run the 340 ?? I say yes.... and easily !! So at TODAY's prices, if your budget is 3k or less, you'll go faster with a 318 than 340.

AGREE ? BE RESPECTFUL .... please. This is NOT about the 360 or UTG.
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Especially on today's gas.
 
mygasser said:
what aftermarket heads, a decent aftermarket cam and decent compression via aftermarket pistons (just for starters). no 340 stuff really.
same parts as pretty much any engine out there.

ps i'm enjoying this thread now :thumbsup:
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I am contemplating springing for Edelbrock 340 heads, the ones with 2.02s and the big chambers for my 340 build. As opposed to finding used heads with 2.02s I also beleive the aluminum parts will lighten the car up a bit. See? "Variables" in the setup, car weight etc.
I haven't looked into it yet but those heads used to be $1500 a set.
 
Dartswinger70 said:
I am contemplating springing for Edelbrock 340 heads, the ones with 2.02s and the big chambers for my 340 build. As opposed to finding used heads with 2.02s I also beleive the aluminum parts will lighten the car up a bit. See? "Variables" in the setup, car weight etc.
I haven't looked into it yet but those heads used to be $1500 a set.
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so, if you found a running 340 for $1500 and added those heads it's be pretty darn good for $3000 :thumbsup:
 
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