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Morel 5206 lifters ????

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Old Jan 15, 2015 | 06:40 AM
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Default Morel 5206 lifters ????
I am building 5.3l boosted engine, shooting for 800-1000 Rwhp. I want to go with a nice set of lifters. Are the morel 5206 the best option? Car will mostly see street use. But the street use won't be granny driving lol. I'm running stock rockers with trunion upgrade.
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Old Jan 15, 2015 | 08:23 AM
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If you want the best I would get the 5294's (PAC-LFT109-LS). The 5206's are a great lifter though (PAC-LFT-105-LS)
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Old Jan 15, 2015 | 08:57 AM
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from what I understand lunati use morel lifters. is this the same as the high rpm morel lifter? http://www.ws6project.com/user_stor/...oller-lifters/
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Old Jan 15, 2015 | 09:08 AM
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Originally Posted by TurboBuick6
If you want the best I would get the 5294's (PAC-LFT109-LS). The 5206's are a great lifter though (PAC-LFT-105-LS)
Well my engine builders recommends 20w-50 oil but morel sais 5294 lifters need thinner oil because of tighter clearances. That would be the next issue with those.
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Old Jan 15, 2015 | 09:09 AM
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Morel 5294
http://www.briantooleyracing.com/mor...r-lifters.html

Morel 5206
http://www.briantooleyracing.com/mor...r-lifters.html
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Old Jan 15, 2015 | 09:40 AM
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Wondering if I should just go with the cheaper ones so I can run the vr1 20w-50 oil still
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Old Jan 15, 2015 | 09:51 AM
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Originally Posted by josh4ku
Wondering if I should just go with the cheaper ones so I can run the vr1 20w-50 oil still
I would do the 5206's if you are planning on running 20/50 oil.
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Old Jan 15, 2015 | 10:06 AM
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They're literally identical, and both have link bars. The difference is the 5274 will fit the Warhawk blocks as well...
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Old Jan 15, 2015 | 10:07 AM
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Originally Posted by dr_whigham
They're literally identical, and both have link bars. The difference is the 5274 will fit the Warhawk blocks as well...
I just noticed that! thanks
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Old Jan 15, 2015 | 10:11 AM
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Are we talking about 5294's or 5274's. 5294's cannot use 20/50 oil.
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Old Jan 15, 2015 | 10:17 AM
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Originally Posted by TurboBuick6
Are we talking about 5294's or 5274's. 5294's cannot use 20/50 oil.
I was going to go with the 5294 but decided not to because of the smaller clearance so requiring thinner oil. Now I am looking at the 5274 which apparently is the same thing as the 5206. Now I just need to know what the lunati part # is for the 5206 because they are cheaper through lunati. Apparently lunati uses morel lifters.
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Old Jan 15, 2015 | 11:16 AM
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They are "Lunati 72437". Not sure why you're builder made an engine to run on sludge though. Must be some pretty big tolerances for the boost. I got the high RPM (5294 equivalent) through Hinson where I got the best pricing.
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Old Jan 15, 2015 | 11:19 AM
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Originally Posted by svede1212
They are "Lunati 72437". Not sure why you're builder made an engine to run on sludge though. Must be some pretty big tolerances for the boost. I got the high RPM (5294 equivalent) through Hinson where I got the best pricing.
It is thompson motorsports. Seems like lots of people are running the vr1 20w-50.
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Old Jan 15, 2015 | 12:21 PM
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Is the link bar lifters going to make more valvetrain noise?
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Old Jan 15, 2015 | 01:06 PM
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I doubt you will be able to tell the difference.
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Old Jan 15, 2015 | 05:36 PM
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Run the 5206's if its a true street engine. The 5294's are sensitive to anything in the oil, and what your engine builder said is right about the clearances is why I say that. The valvetrain noise will depend on what preload you set it at and the ramp aggressiveness on the cam not the linkbars themselves.
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Old Jan 15, 2015 | 07:18 PM
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Originally Posted by josh4ku
Is the link bar lifters going to make more valvetrain noise?
Mine dont really make any.
Also make sure you measure the pushrod length correctly. Morels use a different cup height than a normal LS lifter.
my pushrods ended up being 7.375 IIRC with .050 preload
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Old Jan 15, 2015 | 10:40 PM
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Originally Posted by dckmn52
Mine dont really make any.
Also make sure you measure the pushrod length correctly. Morels use a different cup height than a normal LS lifter.
my pushrods ended up being 7.375 IIRC with .050 preload
Planning on it... I have the tool somewhere I need to dig it out soon.
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