ardentindustries
Well-Known Member
Is that cam, Lifters and Springs? 2nd pic on the summit website shows everything as a kit.
Thanks for the input!
Yep...another request for camshaft suggestions.
- Thread starter ardentindustries
- Start date
-
Thanks for the input!
i highly doubt it. isky kits carry a CL prefix for "cam & lifters" and their site shows it at $600
Cam And Lifter Kit [CL390127] - $603.00 : ISKY Racing Cams, Do It Right
ISKY Racing Cams Cam And Lifter Kit [CL390127] - Cam And Lifter Kit Hyd. Valve Lift Int/Ext. 0.445 Valve Lash Hot Int/Ext. 0.000 ADV Duration Int/Ext. 270 0.050 Duration Int/Ext. 216 Lobe Center 108
iskycams.com
if you're going isky, i'd tag this one in to the fight:
DODGE Isky Racing Cams 3901TA Isky Hydraulic Flat Tappet Camshafts | Summit Racing
Free Shipping - Isky Hydraulic Flat Tappet Camshafts with qualifying orders of $109. Shop Camshafts at Summit Racing.
www.summitracing.com
Curious, Why would you go with a cam that has more intake lift and duration than exhaust?
ardentindustries
Well-Known Member
What do you mean by "open the window" on the intake? The divider?
The intake openings. Easy enough to blend them up. Leave the divider alone, especially if you run and open spacer.
Put that 214/224 cam in on a 108 installed centerline with a low compression 318
ardentindustries
Well-Known Member
Ahh yes. I've opened them just smaller than the intake gaskets (same I did on the heads) and got rid of a couple "lumps" that were clearly in the way of things.
I'm really leaning towards the 23203 from Melling. A few have called it an "old school grind", but it looks really similar to the XE262 cam dyno'd in the HR article (slightly less Intake lift and larger LSA).
eh, why not? it makes about as much sense as every other recommendation being thrown around.
everybody seems to be stanning for cams that have more lift and duration than a 340 cam.
which again in a heavy truck with a low comp 318 and the choke point of a performer and 600cfm carb will be hot garbage.
so i'll brook dissent. and that would probably be my choice if i was picking isky. also, i could add some boost to it down the line if i was feeling frisky.
Edit* Wasn't meant to be a criticism was just curious.
I agree, the OP should pick a fairly mild cam, I liked his Howard's cam choice.
The port window at the intake flange is cast to a 318 port size, but you can deep port match it to a 360 gasket. I don't know how much more you're willing to spend on your stock heads but you had mentioned increasing the valves to 1.88/1.60 360 size... But, since you've ported them anyway, ask your machinist about going with a set of 11/32 Chevy 1.94/1.60 stainless nail head valves .150 or .200 longer, if it's an option. It would probably run into more after guide and seat work than you'd want to put into an iron 318 head. But if you go that route, have the valves stood proud in the chamber to reduce chamber volume and increase the bowl size to 88% of the seat diameter.
Asking about cams is same as asking everyone "what's your favorite meal?"
As many answers as the number of respondents.
Just my take on why I like the 214, ported heads and matched intake, access that air. The performer is not a dog intake from my experience with 360, Same builds with a RPM and matched performer were very close on the curve all the way from the bottom to top with better heads than the OP has. Should cripple it with the 318/360 intake, it didn't. About the same TQ down low and maybe lose 5 hp up top to the RPM, IIRC. It's one of those intake that with a little work, you can create the "this is a dog" looking engine, with a 318/360 intake, that runs real hard.
Howards is definitely a more aggressive lobe profile. That would be a great cam too.
no argument from me on that.Asking about cams is same as asking everyone "what's your favorite meal?"
As many answers as the number of respondents.
Just my take on why I like the 214, ported heads and matched intake, access that air. The performer is not a dog intake from my experience with 360, Same builds with a RPM and matched performer were very close on the curve all the way from the bottom to top with better heads than the OP has. Should cripple it with the 318/360 intake, it didn't. About the same TQ down low and maybe lose 5 hp up top to the RPM, IIRC. It's one of those intake that with a little work, you can create the "this is a dog" looking engine, with a 318/360 intake, that runs real hard.
the performer will, ahem, perform but careful attention to detail is needed and it's just so easy to over cam with the small cubes and low compression.
his heads may be a saving grace, but that compression is just pulling a yoko on the whole band here.
I personally would deal with the .070" in the hole long before I would be worried about about a camshaft choice, but that's just me.
Tom
Tom
Close thread with the Yoko reference! LMAO
I value your take, I wouldn't dismiss any of your recommendation that easliy, you just don't see reverse split patterns all that much and seems like engines generally like more exhaust than intake, why I was curious.
ardentindustries
Well-Known Member
Thanks for the continued responses.
The heads are pretty heavily ported. Bowls opened to 90-ish percent of stock valve seats, valve guides really smoothed and tapered, opened to gasket size on outside faces, removed the hump in the roof on the exhaust side.
Honestly, pretty proud of them for my first iron heads. Also honestly, way too much work and gonna be way too much money into a 675 head casting but...I've put the work in so I'll stupidly spend too much money on them at the machine shop as well.
Melling 23203 vs. Howards I listed in the first post...anything stand out to you guys as making one superior?
The heads are pretty heavily ported. Bowls opened to 90-ish percent of stock valve seats, valve guides really smoothed and tapered, opened to gasket size on outside faces, removed the hump in the roof on the exhaust side.
Honestly, pretty proud of them for my first iron heads. Also honestly, way too much work and gonna be way too much money into a 675 head casting but...I've put the work in so I'll stupidly spend too much money on them at the machine shop as well.
Melling 23203 vs. Howards I listed in the first post...anything stand out to you guys as making one superior?
I would go with the Howard, faster ramps give less overlap and advertised duration and higher lift for any given @ 0.050" so should give better performance and driveability for any cam with same @ 0.050" but with slower ramps, is the difference gonna be huge though, probably not, but noticeable yes.
You had talked about having the heads surfaced, a .030 cut with a matching .0285 intake flange cut on the head. This will give you about 6cc of chamber reduction with your 675 heads.
ardentindustries
Well-Known Member
Yeah, figured they need to be surfaced to be sure they're flat so may as well cut them at least .020" to get something in the CR dept...though very minimal I know.
Every stinkin time.
You ain't kiddin.
I had the same combo, no porting, but with a 3 angle valve job and "decked" 675 heads.I used the .028 head gasket to boost the compression a little. There were "supply chain" issues and I took a chance on what was available at the time and it's working great. The cam and lifters were a kit and I got the Comp 901 spring kit. Its very inconspicuous. With a 323 Sure Grip in my Duster, it chirps the tires at a start and keeps pulling when it has the room, plus it came with a cool sticker too.
I have to agree with Rusty and say, at least in my case, sometimes too much information is worse than none at all.
I have to agree with Rusty and say, at least in my case, sometimes too much information is worse than none at all.
ardentindustries
Well-Known Member
Anyone know if the Howards 711381-10 requires new springs? I'll replace them regardless but want to know which ones to use. Their website and listing's don't seem to mention that.
Not to mention, that cam is out of stock everywhere I look. I'll try to call them tomorrow and see if they'll sell direct.
Thanks again to all!
Not to mention, that cam is out of stock everywhere I look. I'll try to call them tomorrow and see if they'll sell direct.
Thanks again to all!
-
