Driven FR50 and Morel Lifters.... - Chevelle Tech
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post #1 of 8 (permalink) Old May 19th, 17, 11:51 AM Thread Starter
 
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Driven FR50 and Morel Lifters....

There has been some questions from the Engine Builders that they want to run a 50W oil. The “W” winter rate doesn’t really tell whether you can use a specific oil with hydraulic roller lifters as I have learned from both John Callies and Lake Speed Jr. What does matter is the centistoke number.

Driven has supplied this chart on flow ratings on the Driven FR50 and other popular 50W oils:

Ambient Temperature Oil Flow Rates
Oil Driven FR50 VR1 Brad Penn
SAE 5W-50 20W-50 20W-50
60F 328 cSt 786 cSt 627 cSt
75F 213 cSt 451 cSt 373 cSt
90F 144 cSt 275 cSt 235 cSt

High Temp Flow (for reference)
275F 9 cSt 9 cSt 9 cSt
300F 7 cSt 7 cSt 7 cSt

I have talked with John Callies at Morel about the Data above and he said the FR50 will work with the Morel lifters. For those that want to run a heavier oil you can run this with your Morel lifters.

Chris Straub
Mfg Performance Parts

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post #2 of 8 (permalink) Old May 19th, 17, 3:12 PM
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Jarad
 
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Re: Driven FR50 and Morel Lifters....

Chris what is your recommendation with the Black Mamba's?

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post #3 of 8 (permalink) Old May 19th, 17, 3:44 PM Thread Starter
 
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Re: Driven FR50 and Morel Lifters....

I would break in with the BR30 Driven. Mamba's do have a breakin proceedure. It is on the card in the lifters. You should have gotten your stuff today I think.

Chris Straub
Mfg Performance Parts

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post #4 of 8 (permalink) Old May 19th, 17, 6:18 PM
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Jarad
 
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Re: Driven FR50 and Morel Lifters....

Quote:
Originally Posted by cstraub View Post
I would break in with the BR30 Driven. Mamba's do have a breakin proceedure. It is on the card in the lifters. You should have gotten your stuff today I think.
Yes and have read the breakin procedure. Just didn't see oil weight. Thanks.

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post #5 of 8 (permalink) Old May 19th, 17, 8:56 PM
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Re: Driven FR50 and Morel Lifters....

Morel used to list the recommended oil weight, a 5W30, but for some reason is not listed now?
Basically you want a cst of ~10 at the oil's operating temp.
So, a 30 weight and oil at 210-220°F is considered correct.
Www.Bobistheoilguy. Motor oil university 101 is a good read.
If you don't have an oil temp gauge, add ~20°F on the water.

FWIW, Driven's LS30 is a 30 weight deliberately aimed at the LS's roller lifters.
It also just happens the weight that GM have supplied and recommended since the 60s.

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post #6 of 8 (permalink) Old May 20th, 17, 10:26 AM Thread Starter
 
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Re: Driven FR50 and Morel Lifters....

Quote:
Originally Posted by BlackoutSteve View Post
Morel used to list the recommended oil weight, a 5W30, but for some reason is not listed now?
Basically you want a cst of ~10 at the oil's operating temp.
So, a 30 weight and oil at 210-220°F is considered correct.
Www.Bobistheoilguy. Motor oil university 101 is a good read.
If you don't have an oil temp gauge, add ~20°F on the water.

FWIW, Driven's LS30 is a 30 weight deliberately aimed at the LS's roller lifters.
It also just happens the weight that GM have supplied and recommended since the 60s.
I got asked about the LS30 oil yesterday from an LS customer. Here is Lake's email:

Chris,

Here is the info:

LS30
60F 204 cSt
75F 132 cSt
90F 89 cSt

275F 6 cSt
300F 5 cSt

Please let me know if you need anything else.

Thanks,

Lake Speed, Jr
STLE Certified Lubrication Specialist
STLE Oil Monitoring Analyst
Driven Racing Oil - Born From Joe Gibbs Racing. Driven To Win

Chris Straub
Mfg Performance Parts

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post #7 of 8 (permalink) Old May 20th, 17, 8:40 PM
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Re: Driven FR50 and Morel Lifters....

LS30
212F (KV100°C) = ~10.9 cSt.

Not sure why you were sent a list with the relevant KVs/cSts omitted. ?

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post #8 of 8 (permalink) Old May 20th, 17, 9:14 PM
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Re: Driven FR50 and Morel Lifters....

Quote:
Originally Posted by BlackoutSteve View Post
If you don't have an oil temp gauge, add ~20°F on the water.
I have an oil temp gauge and the only time it is +20 is purely coincidental.

On Drag Week last year i had consistent 250° oil temp for 3+ hours and could have water temps from 170-210°.

Fact is, if you don't have an oil temp gauge, you are flat out guessing.

1967 Chevelle Malibu 4 door


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