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good video on flat tappets cam issues #3229270 04/26/24 08:51 AM 04/26/24 08:51 AM
Joined: Nov 2015 Posts: 875 Missouri J jwb123 OP super stock
jwb123 OP super stock J Joined: Nov 2015 Posts: 875 Missouri	Good video, this shops take on the flat tappet cam issues. https://youtu.be/k_ExoIuTpks

Re: good video on flat tappets cam issues [Re: jwb123] #3229275 04/26/24 09:23 AM 04/26/24 09:23 AM
Joined: Jan 2003 Posts: 10,706 North Dakota 6PakBee I Live Here
6PakBee I Live Here Joined: Jan 2003 Posts: 10,706 North Dakota	Interesting. I had a long conversation with a legacy cam grinder about the "flat tappet failure problem" and he was emphatic that the majority of failures were caused by poor workmanship during manufacture. This video seems to support that, at least with lifters. "We live in a time when intelligent people are being silenced so that stupid people won't be offended".

Re: good video on flat tappets cam issues [Re: 6PakBee] #3229308 04/26/24 12:35 PM 04/26/24 12:35 PM
Joined: Jul 2009 Posts: 112 pa gregcharger72 member
gregcharger72 member Joined: Jul 2009 Posts: 112 pa	Originally Posted by 6PakBee Interesting. I had a long conversation with a legacy cam grinder about the "flat tappet failure problem" and he was emphatic that the majority of failures were caused by poor workmanship during manufacture. This video seems to support that, at least with lifters. Does this mean that NO ONE no longer makes quality flat tappet products . The roller cams seem to fail as well and require more maintenance. Such as periodic rebuilding. I don't see roller cams as the ultimate solution.

Re: good video on flat tappets cam issues [Re: gregcharger72] #3229320 04/26/24 01:50 PM 04/26/24 01:50 PM
Joined: Jan 2003 Posts: 20,504 Eagle, Idaho Neil The Doctor is in.
Neil The Doctor is in. Joined: Jan 2003 Posts: 20,504 Eagle, Idaho	https://youtu.be/e96szd_HbwE?si=YhYyEZYudIUOvG0f https://youtu.be/pP_GYZWcpok?si=_qfYOe85l1pKVujB https://youtu.be/AgMYbNX2DMY?si=nfW-QF1MkcgOh-SK Not lifters, but use the trust but verify method these days to stay out of trouble. https://youtu.be/OqmCeX88-JQ?si=MMJKr1V3JwsXXQo8 Lots of talk about this on Speed-Talk in the last few years if you Google it. Mike Jones aka Cam King on there appears to have good inside knowledge on who makes what. https://www.speed-talk.com/forum/viewtopic.php?t=64079 https://www.speed-talk.com/forum/viewtopic.php?t=36327 https://www.speed-talk.com/forum/viewtopic.php?t=11681 https://www.speed-talk.com/forum/viewtopic.php?t=66769 Hylift Johnson lifters do not come with most the of big guys cam and lifter kits best I can tell. Some might, but I'd only trust a direct call to the cam company for that answer. Number of poor parts in circulation these days and lots of finger pointing going on out there. Also at the bottom they offer lifters with different bleed down rates depending on your cam lift and spring pressures. You have to buy them direct, or find a smaller vendor like Hughes who sells them exclusively. https://toplineauto.com/wp-content/uploads/2019/04/Lifter-Application-Catalog.pdf Last edited by Neil; 04/26/24 03:03 PM.

Re: good video on flat tappets cam issues [Re: Neil] #3229336 04/26/24 02:37 PM 04/26/24 02:37 PM
Joined: Jan 2003 Posts: 2,725 541 slobovia A990 master
A990 master Joined: Jan 2003 Posts: 2,725 541 slobovia	That Hy-Lift catalog is fantastic. Includes a buyers guide with all the body styles and dimensions. Thanks!

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