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Engine Mechanical TopicsDiscussion for motor builds, cams, head work, stripped bolts and other engine related issues. The good and the bad. If it goes round and around or up and down, post it here.
It's possible that he has the cams already or got a great deal on a set. Some people do set a budget and stick with it...not me personally but I've heard that they're out there lol. Op if you don't already have a set of 255s I have two sets for sale as well as a set of s&s 570s...they require a little bit more compression though. The 255s are a decent torque cam on a budget
Do not have the cams yet and am not on a budget.
The 255 seems like a tried and true torque cam.
I have looked at other cams but get lost in the descriptions.
I do understand cams but don't always get good info looking at the specs.
I also had not planned on using adjustable pushrods and do not want a cam with a different base circle.
Would prefer a true bolt-in cam.
So what cams are same base circle and good low end torque.
Streetglide usually two up and spend most of my time cruising 2k rpm. Don't need a big HP cam just better torque with out buying a new bike with larger bore.
The Andrews 48H is arguably the quintessential torque cam for the 96” & 103” twin cams. Personal experience with both the SE255 and the 48H, the 48H basically does everything better and has a wider powerband. The SE255 really hits a wall past 4,000/4,500 RPM. Both are very responsive and torquey right off idle. The additional overlap with the 48H also results in a better sound (subjective) and less heat felt post tuning. Sounds like either would suit you well but just my .02 in the torque cam space.
Edit: No personal experience with this one but the CR 570-2 would be worth a look also. Wood 222 and S&S 583 are other torque grinds that come to mind as well.
Do not have the cams yet and am not on a budget.
The 255 seems like a tried and true torque cam.
I have looked at other cams but get lost in the descriptions.
I do understand cams but don't always get good info looking at the specs.
I also had not planned on using adjustable pushrods and do not want a cam with a different base circle.
Would prefer a true bolt-in cam.
So what cams are same base circle and good low end torque.
Streetglide usually two up and spend most of my time cruising 2k rpm. Don't need a big HP cam just better torque with out buying a new bike with larger bore.
Why would you pull the heads just to do CAM. . Using adjustable push rods means no pulling the head.
Pulling heads when you do not need to is just asking for more cost and more work.
SE cam are lame as it gets . Only thing tried and true is they are weak.
Last edited by smitty901; Jan 13, 2023 at 10:28 AM.
Why would you pull the heads just to do CAM. . Using adjustable push rods means no pulling the head.
Pulling heads when you do not need to is just asking for more cost and more work.
SE cam are lame as it gets . Only thing tried and true is they are weak.
ummmm, you don't need to pull heads to change push-rods. You need to remove rocker box covers.....
Just dawned on me the time I was riding a tuned/stage 1 Dyna LRS with factory 255 cams through Tennessee on the way to Jack Daniels. That damn bike was burning me up, had to turn the jug fans on. Was unbearable without the fans. If you plan to do any riding through the mountains in higher temps, the 255s are a real killer with the heat. The twin cams really seem to benefit (heat wise) from cams with some overlap.
If 2k rpms is your sweet spot and don't go above 3k (hey, I'm not judging) and truly on a budget, then the 255's will be fine. To reuse stock pushrods you'll need to pull gas tank, rocker covers and rocker support plates with rockers. A little extra work over using adjustables but it's your bike so time is free. But you probably already know that.
Do yourself a favor and replace inner cam bearings with full complement type and replace lifters with Johnson hi-lift or maybe or Fueling
And if you go the Andrews 48h route be aware that they don't kick in until around 2800-2900 rpm and then they spin up real quickly...
All the other aftermarket cams that have been suggested with the exception of the S&S 583 will react the same way; not hit until about 3000rpms. As for base circles, 48 is marginally smaller but so close to stock, stock pushrods are fine; 570-2, IIRC, is same as stock, the original CR570 base circle was .020" smaller but was changed in the -2 replacement; the 222 is .024 smaller and most run adjustable push rods with that cam. Not sure about the 583 base circle; the 570 does have a smaller base circle so I would expect the 583 (higher lift) would also have a smaller than stock base circle.
JMHO but the 48 is the only cam suggested in this thread that I would use in lieu of the 255.
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