318 potential?
11-24-2008, 01:37 PM
#1
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318 potential?
hey i'm new on here and lookin at my first hot rod. its a 67 coronet wagon with a 318. i was just wondering what kind of power has been made on the little 318? i've heard it can be stroked to a 360, is that right? i'm looking for, ideally, a street/strip setup to run maybe 12s on a not too big budget
11-24-2008, 05:13 PM
#4
Admin
You would be better off pulling the 318 for a 360 rather than spending the money on machining the 318. They are can had for pretty cheap plus parts are cheap and they are easy to build.
As for the rear end it could be a 7 1/4.
As for the rear end it could be a 7 1/4.
11-24-2008, 07:13 PM
#6
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what kind of numbers could i be looking at with the 318 if i bored and stroked it and did headers, intake, heads, cam, etc.? i dont think i quite have the budget for 12s, anyway, that was mostly wishful thinking. what about mid-13s, though?
Last edited by pbpunisher; 11-24-2008 at 07:16 PM.
11-24-2008, 07:52 PM
#8
Administrator with a large ban hammer !
If you're looking to put more under the hood either with a 318 build or a 360 swap, I'd suggest replacing the 904 with a 727. You will also probably need to have a new driveshaft made for it as the two transmissions are different lenghts.
11-25-2008, 02:21 AM
#9
Admin
The 904 is a good tranny for stock to mild built engines (intake, carb and exhuast). You can build up the 904 but it is cheaper, and a better deal, to buy a 727 as they can be built stronger and better for less money due to the fact that they are everywhere. They are equal to a TH400 tranny.
Once again, I wouldn't waste my money on machine work for a 318, they are just not worth it. If you want to install an intake, carb, headers, dizzy, then thats fine because all of those parts will fit onto a 360. You can then look for a 360 while you having fun with the mildly built 318. When you find one, install a larger cam, get some machine work done, then swap over the carb, intake, headers, dizzy, etc from teh 318 to the 360. While your at it, find and rebuild a 727 or buy a TCI street fighter with a stall convertor, I'd say somewhere around 2300 RPM since you will still want to be able to drive it on the road.
you'll have to upgrade the rear axle as well then and the gearing. I'd look for a D60 5 lug or 8 3/4, install posi and look into going with about a 3.73 to 4.10 gears. Match that up with a goo set of wide tires in the back and you will probably have a mid 13s to mid 14s car.
Once again, I wouldn't waste my money on machine work for a 318, they are just not worth it. If you want to install an intake, carb, headers, dizzy, then thats fine because all of those parts will fit onto a 360. You can then look for a 360 while you having fun with the mildly built 318. When you find one, install a larger cam, get some machine work done, then swap over the carb, intake, headers, dizzy, etc from teh 318 to the 360. While your at it, find and rebuild a 727 or buy a TCI street fighter with a stall convertor, I'd say somewhere around 2300 RPM since you will still want to be able to drive it on the road.
you'll have to upgrade the rear axle as well then and the gearing. I'd look for a D60 5 lug or 8 3/4, install posi and look into going with about a 3.73 to 4.10 gears. Match that up with a goo set of wide tires in the back and you will probably have a mid 13s to mid 14s car.
11-25-2008, 05:29 PM
#10
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it all good
i have a 318 in a demon and its all good man.but i do work at a machine shop so all my machine work is free.im getting around 360-380 hp.but its got .030 over forged pistons,port and polished heads with 360 size valves,284/484 purple shaft cam,single plane intake with 650 double pumper holley and roller rockers. dontbe afriad of cheaper stuff.it all dont have to be crane or comp stuff.theres a company called PRW thats makes really good roller rockers for about all engines and there half the price of those big name guys. but i must say i only did all this to a 318 because it already had the forged pistons and all the other stuff will go on a 360 or 340 running a 727 with b&m shift kit and 3000 stall.there is also a company that sells b&m stalls at half the price but i will have to check on that for you if you want?mine was around $180 not 300 like in summit
too bad, i'm really startin to like mopar.
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