glhx
Well-Known Member
Lol.....
If anyone has a cheap used cam and lifters around the 250-260 range I’d be interested.....
If anyone has a cheap used cam and lifters around the 250-260 range I’d be interested.....
Would you put fresh rings in this thing. I was just gonna put the old ones back in. I’ve never done that before though.
I agree with RRR, you've past the point of just cleaning it. Can you find a rebuild kit like PAW that will have everything you need? Then pick your best set of heads, hone the cylinders.
If you plan on running it for five more years.
OK, makes sense. I could stand some some smoke for 200 miles per year LOL. I had a '71 Toyota Celica that burned a qt of oil every 100 miles..... did not smoke while cruising.....just slowly burned the oil out. Ran it for a couple of years and then gave it to my sister-in-law to commute 60 miles per day to college for a couple of years LOLWith this engine ....I couldn’t ....not take it down. It was so dirty inside and clogged up that all that garbage would have been really hard to get out otherwise. It would have dislodged all the sludge and hardened fuel particles and made it way worse rather quickly. I do regret going now this far into it but at least I know where it stands and what’s been done to it for some peace of mind.
I wonder about the @50 number
I’ve seen cams with a smaller @50 and a larger advertised duration and it makes no sense
I was taught that the @50 was to accurately compare cams from many companies.
But then I see a lot of mixed up stuff.
A 262 with 218/224
Then see the he268 with 218/218
And I think the k6900
With like an advertised 285
But he @50 is much lower than even the 262.
Which cam is bigger?
I wonder about the @50 number
I’ve seen cams with a smaller @50 and a larger advertised duration and it makes no sense
I was taught that the @50 was to accurately compare cams from many companies.
But then I see a lot of mixed up stuff.
A 262 with 218/224
Then see the he268 with 218/218
And I think the k6900
With like an advertised 285
But he @50 is much lower than even the 262.
Which cam is bigger?
That tells you the steepness of the ramps. Less advertised duration with more duration at .050" means steeper ramps on the cam lobes which opens and closes the valves quicker. Modern performance cam designs use faster ramps, old-school cams (like the older Mopar Purple Shafts) use slow ramps. Others can chime in regarding how that affects performance I'm not super knowledgeable in that realm.
"Except that 285 increases low end torque.....and the 268 robs it."
better edit the above post- you got it backward or did you mean 258
The 318 sits on a fine line of cam selection. Too much and it’s no fun-- exactly- andwith any motor