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Mine are solid body, no cutouts, but short.
A nice flat tappet solid will do the trick. lol
LOL... "wild" was your word. I said "rev and likes to move it move it". Most look at 318's as 14, 15, and 16 second engines that shift a 5 - 5500 rpms. I think a streetable 318 on pump 91 that starts at 12.99 and goes Southward and shifts Northward of 6k is a "scream'n teener". Especially if the budget stays well South of 2k.
I thought about that too, but both blocks are rollers, so I thought that would be the right thing to do....
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Here, I can clear the air of one thing. If somebody is waiting for me to build a stock-stroke 318 to pull the front wheels of an all steel Duster past the 330 ft marker and click off a 9.20 run @ 150, LOL, please don't hold your breath...
and be turning 8200 rpm threw the traps!!
Right! Keeping it realistic, this 318 will hands down ground pound the "low dollar under 500 318".
I just want you to have enough compression to run any cam you want. You said you were sticking .500 lift or so. Duration would be the place to play. lol
273 has a good stock head flow cfm per cid similar to a 340, 318 and 360 not so much.
a 6500 redline for your hyd roller works with your 360 heads, thinking 450ish hp, cant guess at time slip till we know what its going in, should be a killer lil 318 tho!
It's going to take more than $1500 for a 450 HP 318
not if he already got most of it!
Here are some of my thoughts, the "what if's". LOL WHAT...If I pulled my 360 out and went faster with the 318, I'd be thrilled!If it pulled DT into the 12's..... imagine a full size hitting 12's on all motor 318. I'd be thrilledI know a guy that raced a 331 olds engine in a F85 with 373 gears. Drove it to the strip and back full street car and went 12's. Why not a 318?
hope you do get this built! interested in your parts selection and to see how much hp you squeeze outta the lil punk ass 318!!
I'm pretty sure this will happen. I really want make these extra parts into complete, running engines. Time is a big thing. I work full time, active in our church, home-life and the cares of life. Also, putting together youtube videos. YouTube has been an absolute joy to this hobby for me, the guys have been great there. Unbelievably supportive and fun.
I like the video the popped up next after the 318 one...
Reference post 178 in 12 second combos
Oooook, well, it makes a little more sense now. I saw the title of the thread and thought you were actually building something....you know....Fast (scream'n)....like a 10 second 318 that spins up in the stratosphere. Then I saw that you were looking at stock iron heads and the word "fast" went right out the window, lol. Still, sounds like you will have a spunky little 318 that makes good steam. Considering your budget, I think you would get a lot more bang for the buck with a solid flat tappet cam (vs an expensive roller) and put your $$$ into something else (better heads maybe). Best of luck with the build.
What's your opinion on those roller cam 318s, with 302 heads, as opposed to the earlier 318s? I've got one I'd like to do the same high revving build you're doing. I think they all need help breathing, to start.
I know you asked 318WR, but my personal 2 cents is spend some money on good heads to couple it with a solid roller and you’ll be way way ahead of the game. If stock heads are the sticking point and all you have are 328 heads, your behind the 8 ball and I’d start looking at some restricted racing classes & how they do it. A fella that knows a little something about it would be @Hysteric and a few other members who’s names are escaping me right now.
The #302's have a small efficient chamber but not much more port flow than any of the 273/318 heads.
I guess my concept would be to see what they're capable of in "mostly stock" form. At the bare minimum, I'd gasket match, port and polish the 302s, go with a solid roller cam slightly larger than stock, and 1.88/1.60 valves. 4bbl intake and carb as well. All things considered, it would be an entirely different motor than it started life as, with minimal investment. It was a 2bbl lean burn with smog pump, AC, and two catalytic converters. Suffice it to say my baseline has nowhere to go but up. Not trying to get crazy (yet).
Any idea how they respond to mild home porting and larger valves?