Roller Rocker Covers??? - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 16 (permalink) Old 09-14-04, 02:15 PM Thread Starter
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Roller Rocker Covers???

if i fit a ford motorsport roller rocker kit for pedstal heads do i need taller rocker covers?
i have old alloy mt (micket thomson) covers at the mo

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post #2 of 16 (permalink) Old 09-14-04, 04:07 PM
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Re: Roller Rocker Covers???

I use standard covers on my 351 with rollers so you should be fine.
Years ago I used Holley alloy covers on a car with a F246 and it banged the tip of the rollers onto these little studs on the inside on the covers. I broke the studs off and all was fine. The studs were there for oil drainback purposes I suspect.
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post #3 of 16 (permalink) Old 09-14-04, 04:38 PM
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Re: Roller Rocker Covers???

The clearance problem only kicks in when you use stud girdles....
I've got a pair of the 4" tall Ford racing covers so never gunna have any internal clearance problems... just external ones...
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post #4 of 16 (permalink) Old 10-01-04, 03:41 AM Thread Starter
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Re: Roller Rocker Covers???

thanx for the advice guys
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post #5 of 16 (permalink) Old 10-01-04, 05:39 PM
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Re: Roller Rocker Covers???

I'm sure they make cheap chrome (Morosso tall style) copies for $80 somewhere !!!

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post #6 of 16 (permalink) Old 10-01-04, 09:32 PM
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Re: Roller Rocker Covers???

Be careful with the morosso's they have no baffles to the PCV will suck oil and foul your plugs and cause detonation. I've seen it on two clevo's runng morosso covers so far.

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post #7 of 16 (permalink) Old 10-02-04, 01:20 AM Thread Starter
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Re: Roller Rocker Covers???

well i allready have a set of old school mt alloy finned rocker covers so i guess they should b fine by the sound of it
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post #8 of 16 (permalink) Old 10-02-04, 01:53 AM
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Re: Roller Rocker Covers???

Quote:
Originally Posted by brenx
Be careful with the morosso's they have no baffles to the PCV will suck oil and foul your plugs and cause detonation. I've seen it on two clevo's runng morosso covers so far.

Brenden
Brenden,

Would this cause detonation throughout the rev range, or only under light loads,
I wouldnt think there'd be too much vacuum through the PCV under moderate to hard acceleration?

You got me thinking now... maybe I should change my covers

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post #9 of 16 (permalink) Old 10-02-04, 02:17 AM
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Re: Roller Rocker Covers???

A lot of cheap rocker covers lack baffles. Not such a bargain.
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post #10 of 16 (permalink) Old 10-02-04, 02:34 AM
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Re: Roller Rocker Covers???

Not a bargain at all. I'm having to convert to a breather setup and I'm kicking myself I didn't think of it when I bought the covers.

Brendan, you said the other day that breater setups cause problems with the oil getting deposits in it.... would a breather tank fix that? Because I can get one for $100 and it wouldn't be a problem to install. Cheers.

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