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Started by mally69, October 08, 2008, 12:08:30 AM
Quote from: Steve P. on October 08, 2008, 12:16:06 AMSheesh... Mally, you are NOT having any kind of luck with those heads.. Have you pulled any retainers yet??
Quote from: firefighter3931 on October 08, 2008, 07:18:22 AMThis one is worth a sticky ! Thanks for the "heads up" Mally....no pun intended. Ron
Quote from: mally69 on October 08, 2008, 08:01:00 AMNone taken I shouild have just bought a set of indy heads for this also.
Quote from: dstryr on October 08, 2008, 02:21:29 PMI think these are the options:Comp Cams 7 degree locks 601-16 and retainers 782-16Comp Cams 10 degree locks 613-16 and retainers 741-16 Here is a link to their on-line catalog pages:Locks:http://compcams.com/technical/Catalogs/106-07/310-311.pdfRetainers:http://compcams.com/technical/Catalogs/106-07/309.pdf
Quote from: my73charger on October 09, 2008, 09:32:59 AMWhat will a full set of 10 degree locks and retainers cost me?
Quote from: RD on October 09, 2008, 09:26:44 AMI guess me and my friends warning wasnt good enough for a sticky?
Quote from: my73charger on October 10, 2008, 10:12:30 AMHi Ron,What do you think of the comp locks and retainers above? I am probably going to order them up next week. THe heads are definitely coming off this winter to be ported and polished as well, but I want to get the new hardware on them asap.Thanks Ron,Tim
Quote from: dstryr on October 10, 2008, 11:21:07 AM It doesn't seem like moparts is a swear word around here so here is a quote from the tech archives I read this morning while looking for some Edelbrock flow numbers. This is back from 2002:IMO, HARDENED (like the Comps) 7 degree locks are fine for most apps, although I've used 10 degrees and see no adverse effects either way. I have seen a few three groove locks 7 degree pull through. Valve weight spring load and how the motor is slung have the biggest bearing on how the valvetrain holds up. Give me two heads, one off a stick and one off an automatic with the same valvetrain and you can tell the stick car just by the way the valves come out.Most aftermarket complete heads use cheap stamped locks, they get tossed right along with the as delivered valve job. A good single groove hardened lock and matching retainer, whether 7 or 10 degrees is money well spent.
Quote from: metallicareload99 on October 09, 2008, 12:24:33 PMAll of it 10 degree. If possible, I think it has been suggested to get locks and/or retainers that are set up so that a little bit more of the valve stem is showing compared to as shipped from 440 Source. Not sure if that Comp Cams set up will do that, and it might not be too critical. I think the important thing is to have good hardware keeping those valves and spring heights where they are supposed to be
Quote from: Chatt69chgr on October 13, 2008, 08:12:29 AMThat would put the retainer .040 inch closer to the underside of the rocker. What rocker are you using and what is the actual distance in thousandths of an inch to the underside of the rocker from the outer edge of the new retainer?
Quote from: firefighter3931 on October 10, 2008, 12:16:59 PMGood luck with your build....do your homework and it will turn out right. It allready sounds like your pre-planning is moving this build in the right direction. Ron
Quote from: dstryr on October 14, 2008, 04:29:58 PMThanks, RonThe ongoing stroker threads here have been consistent in staying on topic and providing lots of build details which made it easier for me to choose parts and plan this out.
Quote from: frederick on October 12, 2008, 07:06:09 AMI also fitted the comp cams 10 degrees retainers and locks.But I used these and noticed the compressed height increased by about 0.040", so I am going to get shims under the springs to compensate.CCA-613-16 (locks)CCA-748-16 (retainers)I'm going to measure the actual compressed spring force with the shims, will let you know the results when I have them.Frederick
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