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Author Topic:   351C oil restrictors
SteveLaRiviere
Administrator

Posts: 20027
From: Saco, Maine USA
Registered: May 99

posted 01-15-2002 12:00 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
There's a lot of great minds in here, I'd like your opinion.

I've used Moroso's oil restrictor kits in four hydraulic cammed 351Cs with no problem now. The Moroso catalog says not to use this kit with hydraulic cams. I emailed their tech department asking about this, and their one response was 'cus it will make your lifters pump up.' I asked for a more detailed explanation, but it looks like you only get one question with them.

I'm running Rhoades anti-pumpup lifters.

What do you guys think, am I asking for trouble?

------------------

'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC

"Speed costs money. How fast do you want to spend?"

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Hans olsson
Gearhead

Posts: 135
From: Eskilstuna Sweden
Registered: Apr 2000

posted 01-15-2002 12:22 PM     Click Here to See the Profile for Hans olsson   Click Here to Email Hans olsson     Edit/Delete Message   Reply w/Quote
Steve, we use the Moroso kit with a comp cam and crane hyd lifters #99280 anti pump up. Hans.

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  • 71 Mach1 351c
  • E/SA 11.89-110
  • F/SA 11.92-110

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SteveLaRiviere
Administrator

Posts: 20027
From: Saco, Maine USA
Registered: May 99

posted 01-15-2002 12:28 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
No problem, right?

It just bugs me that they warn not to. I want to understand why.

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'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC

"Speed costs money. How fast do you want to spend?"

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Moneymaker
Administrator

Posts: 10487
From: Lyons, IL, USA
Registered: May 99

posted 01-15-2002 02:21 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Partner, I have used them FOREVER and NEVER had a problem with lifter oiling. The purpose was to keep oil on the bottom and it does the job. Bearings live with the restrictors.

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Alex Denysenko
Co-Administrator and Moderator
NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
US Class Nationals link

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SteveLaRiviere
Administrator

Posts: 20027
From: Saco, Maine USA
Registered: May 99

posted 01-15-2002 02:26 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Cool. I'll put it out of my mind, then. Moroso's warning always made me feel like I was doing something wrong.

{..by the way, Alex, as soon as it warms up a little I'll get out there and measure my pushrods and order them from you. Cold sucks!}

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'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC

"Speed costs money. How fast do you want to spend?"

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Mpcoluv
Gearhead

Posts: 280
From: Charlotte NC usa
Registered: Apr 2001

posted 01-15-2002 04:26 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
Moroso's restrictor is .090 for the lifter gallery. Price motorsports sells a kit with a .110 restrictor.
If you are paranoid (like me) drill it out to .125.
I am running standard eaton lifters and have no problem with the .125 restrictor.
When I run the engine each side seems to oil the same.

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MrWesson22
Gearhead

Posts: 541
From: Dacula, GA
Registered: Sep 2000

posted 01-18-2002 12:05 AM     Click Here to See the Profile for MrWesson22   Click Here to Email MrWesson22     Edit/Delete Message   Reply w/Quote
While I'm doing this headwork and valvetrain swap, I'm planning to install some oil restrictors. I'm running a solid cam. Which restrictors should I get? Also, what's involved in the installation of them? Thanks!

------------------
Neal
Member #723
[email protected] AIM: MrWesson22

69 Gulfstream Aqua Grande
351C/Toploader 4sp

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Mpcoluv
Gearhead

Posts: 280
From: Charlotte NC usa
Registered: Apr 2001

posted 01-18-2002 08:01 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by MrWesson22:
While I'm doing this headwork and valvetrain swap, I'm planning to install some oil restrictors. I'm running a solid cam. Which restrictors should I get? Also, what's involved in the installation of them? Thanks!



Just tapping a few holes.
I like the price motorsports version, although the Moroso kit is easier to get.
The main difference is the diameter of the lifter gallery restrictor. Moroso has a .090 and Price has a .110.
Also do not put a restrictor in the #1 cam bearing passage. The extra oil helps the cam gear.

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Just Strokin
Gearhead

Posts: 130
From: Tuscaloosa, Alabama
Registered: Dec 2001

posted 01-18-2002 08:03 AM     Click Here to See the Profile for Just Strokin   Click Here to Email Just Strokin     Edit/Delete Message   Reply w/Quote
There was a hotrod or phr article one time about drilling a gallery plug to oil the timing chain area.

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Moneymaker
Administrator

Posts: 10487
From: Lyons, IL, USA
Registered: May 99

posted 01-22-2002 06:30 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
You can always drill the Moroso's out to .110 also.

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Alex Denysenko
Co-Administrator and Moderator
NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
US Class Nationals link

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kid vishus
Gearhead

Posts: 1756
From: between the end of the road, and the middleof no-where
Registered: Oct 2000

posted 01-22-2002 10:23 PM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
I like the Moroso kit. I like to keep as much oil in the pan as possible. But, I only run solid camshafts so its not a concern to get as much oil up top.

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Mpcoluv
Gearhead

Posts: 280
From: Charlotte NC usa
Registered: Apr 2001

posted 01-23-2002 09:49 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
I mentioned the drilling out to .125 because my 372 is in a street car w/hyd. cam.
With solids and roller lifters .090 is probably plenty large enough.

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Moneymaker
Administrator

Posts: 10487
From: Lyons, IL, USA
Registered: May 99

posted 01-23-2002 11:41 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
We have never had any problems using the Moroso kits regardless of lifters. I have used them since they were introduced.

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Alex Denysenko
Co-Administrator and Moderator
NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Part time secret agent license #0089
US Class Nationals link

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Mpcoluv
Gearhead

Posts: 280
From: Charlotte NC usa
Registered: Apr 2001

posted 01-23-2002 03:59 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Moneymaker:
We have never had any problems using the Moroso kits regardless of lifters. I have used them since they were introduced.


But you are not as paranoid as I am

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