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  351c roller rockers

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Author Topic:   351c roller rockers
New to M&M

Posts: 17
From:Jefferson City, MO
Registered: Aug 2000

posted 09-22-2000 09:32 AM     Click Here to See the Profile for tomslo   Click Here to Email tomslo     Edit/Delete Message   Reply w/Quote
I am currently in the process of collecting some parts to redo the 351C-4v. My question is this- will roller rocker arms cause interference with the stock valve covers or will I need to get some taller valve covers. I would prefer to stay with the stock covers as I am going for a "stock" appearing engine, but have no problem getting new valve covers. Only $100 and all. Thanks!


Esteemed Member

Posts: 673
From:Austin, TX
Registered: Dec 99

posted 09-22-2000 10:37 AM     Click Here to See the Profile for jkilroy   Click Here to Email jkilroy     Edit/Delete Message   Reply w/Quote
It depends on the rockers, some brands will hit and others will not. Also, sometimes its not the rockers themselves that hit but the tall locks that are used that hit.

Does anyone remember several years ago SVO used to have a set of valve covers for 351C heads that had the rocker studs extend through the top of the cover and an acorn nut was put on top. The cover itself was a heavy casting so I guess this was supposed to offer some type of valve train support.

Jay Kilroy
68' Fastback GT 390
"No such thing as a cam thats too big"


Esteemed Member

Posts: 78
From:Ventura CA USA
Registered: Aug 99

posted 09-22-2000 10:08 PM     Click Here to See the Profile for clevemach1   Click Here to Email clevemach1     Edit/Delete Message   Reply w/Quote
on my cleveland i put the crane blazer series roller rockers, they are the same as roller rockers used on BBC's, they stock valve covers would not fit, but i got a set of BOSS302 vavle covers that fit perfect and look really well,,, good luck

Mike Thomas,age 18
1970 Mach1


New to M&M

Posts: 11
From:Northfield NH USA
Registered: Jul 2000

posted 09-23-2000 08:19 AM     Click Here to See the Profile for denny   Click Here to Email denny     Edit/Delete Message   Reply w/Quote
I have comp cam aluminium RR on my Cleveland and the stock valve cover fit fine. I do run a gasket with metal in the middle an cork on both sides. Its a bit thicker but lasts forever and works great if you adjust the rockers a lot.

D French
67 427 Fairlane(A/SA) 73 Mustang 351c


Big Kahuna

Posts: 4655
From:Lyons, IL, USA
Registered: May 99

posted 09-25-2000 02:00 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
That's about the size of it. It all depends on the rocker or the valve cover. Most of the cast aluminum FoMoCo valve covers will clear any roller rocker. Alex

Alex Denysenko Co-Administrator and Moderator
Fleet of FoMoCo's too long to list!


New to M&M

Posts: 17
From:Jefferson City, MO
Registered: Aug 2000

posted 09-27-2000 12:04 PM     Click Here to See the Profile for tomslo   Click Here to Email tomslo     Edit/Delete Message   Reply w/Quote
Thank you all for the responses. I really appreciate and enjoy talking to people who have experience with these engines.

The rocker arms I will be using are Comp Cams Pro Magnums, in fact I just got them from Summit yesterday. Just to be on the safe side, I just picked up a set of aluminum valve covers off of ebay yesterday. They are the finned, black crinkle style.

So, now I have a little bit of insurance to fall back upon. I am still trying to decide wether or not to paint my blue thunder intake though, I mean my "stock" intake

[This message has been edited by tomslo (edited 09-27-2000).]


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