cheap rocker arm swap question

84LX89GT · 08-31-2008, 08:29 PM

Alright, so I was wondering a couple of things:

1. Will Cleveland Style rockers arms, pedestal mount, (from 351C, 351M, 400, etc.) bolt onto and work on Windsor heads. I'm looking to get the 1.7 ratio without spending much money (already have a torn apart 400 with rockers laying around somewhere). I've read they have the 5/16" bolt, same as the SBF.

2. Would 3.8L rockers arms (also 1.7:1 ratio) work on a windsor head? I've read that these have a metric bolt (8mm), but am wondering if I could bolt some on and use the SBF rocker bolts.

Thanks for any info. you guys can give me!

goodyear1984 · 09-10-2008, 06:03 PM

call summit and get a new set there only like 200

84LX89GT · 09-14-2008, 08:19 PM

Thanks for responding. Unfortunately ordering a set of 1.7 rockers from Summit is not a viable option for me because:

1. Unfortunately I am back in school, out of state, and have VERY little in the way of funds. $200 is my food money that I'm borrowing anyway.

2. I have Cleveland style rocker arms laying around and acquiring used 3.8 rocker arms would cost very little. As in $10 - $20.

3. They would be going on my 255 V8 Thunderbird. I'm trying to build it out of spare and junkyard parts and $200 rocker would be half the value of the car.

I can't really experiment until I go across country back to my car for winter. Thanks again for responding, though.

...There has to be a shadetree mechanic who's tried this instead of just shelling out a bunch of money.

goodyear1984 · 09-15-2008, 05:42 PM

well you could check them and see how they sit on the valve stem.if you dont knowwhat i mean then just leave the old ones on untill you can get a set

08-31-2008, 08:29 PM	#1
84LX89GT Mustangs Join Date: Jul 2000 Posts: 1,938	cheap rocker arm swap question Alright, so I was wondering a couple of things: 1. Will Cleveland Style rockers arms, pedestal mount, (from 351C, 351M, 400, etc.) bolt onto and work on Windsor heads. I'm looking to get the 1.7 ratio without spending much money (already have a torn apart 400 with rockers laying around somewhere). I've read they have the 5/16" bolt, same as the SBF. 2. Would 3.8L rockers arms (also 1.7:1 ratio) work on a windsor head? I've read that these have a metric bolt (8mm), but am wondering if I could bolt some on and use the SBF rocker bolts. Thanks for any info. you guys can give me! __________________ 2005 Suzuki Hayabusa GSX1300-R 1980 Ford Thunderbird - 255 V8 ported heads, 5.0L ported stock headers, O.R. H-pipe and Flowmaster 2-chambers, dual roller timing chain hi-po Mack Truck hood emblem 1985 Mustang GT 5.0L T5, F-303, GT40p, headers, off-road h, flowmasters, MSD stuff, etc. Sold 02/06/04 1989 Mustang GT ET: 13.304@102.29 mph (5-24-03) Sold - 1998 Mustang Cobra coupe, 1/4 mile - street tires: 13.843@103.41 (bone stock)

09-10-2008, 06:03 PM	#2
goodyear1984 Registered Member Join Date: Dec 2006 Location: new york Posts: 482	Re: cheap rocker arm swap question call summit and get a new set there only like 200 __________________ 347 stroker all forged,arp everything,stud mains w/girdle,7qt pan,full roller, custom cam, aluminum heads swirl valves 5 angle valve job.quick fuel 750,areomotive pump,cobras w/nitto drags,and m/t et drags for the track, ford racing 373 gears,centerforce clutch,tko500,underdrive pulleys,bassani x-pipe,flowmasters ^best et so far 11.6 1.61 60ft coming soon 9sec et's 1992 mustang gt 2001 gmc 1500 4x4 78 century boat 92 skidoo

09-14-2008, 08:19 PM	#3
84LX89GT Mustangs Join Date: Jul 2000 Posts: 1,938	Re: cheap rocker arm swap question Thanks for responding. Unfortunately ordering a set of 1.7 rockers from Summit is not a viable option for me because: 1. Unfortunately I am back in school, out of state, and have VERY little in the way of funds. $200 is my food money that I'm borrowing anyway. 2. I have Cleveland style rocker arms laying around and acquiring used 3.8 rocker arms would cost very little. As in $10 - $20. 3. They would be going on my 255 V8 Thunderbird. I'm trying to build it out of spare and junkyard parts and $200 rocker would be half the value of the car. I can't really experiment until I go across country back to my car for winter. Thanks again for responding, though. ...There has to be a shadetree mechanic who's tried this instead of just shelling out a bunch of money. __________________ 2005 Suzuki Hayabusa GSX1300-R 1980 Ford Thunderbird - 255 V8 ported heads, 5.0L ported stock headers, O.R. H-pipe and Flowmaster 2-chambers, dual roller timing chain hi-po Mack Truck hood emblem 1985 Mustang GT 5.0L T5, F-303, GT40p, headers, off-road h, flowmasters, MSD stuff, etc. Sold 02/06/04 1989 Mustang GT ET: 13.304@102.29 mph (5-24-03) Sold - 1998 Mustang Cobra coupe, 1/4 mile - street tires: 13.843@103.41 (bone stock)

09-15-2008, 05:42 PM	#4
goodyear1984 Registered Member Join Date: Dec 2006 Location: new york Posts: 482	Re: cheap rocker arm swap question well you could check them and see how they sit on the valve stem.if you dont knowwhat i mean then just leave the old ones on untill you can get a set __________________ 347 stroker all forged,arp everything,stud mains w/girdle,7qt pan,full roller, custom cam, aluminum heads swirl valves 5 angle valve job.quick fuel 750,areomotive pump,cobras w/nitto drags,and m/t et drags for the track, ford racing 373 gears,centerforce clutch,tko500,underdrive pulleys,bassani x-pipe,flowmasters ^best et so far 11.6 1.61 60ft coming soon 9sec et's 1992 mustang gt 2001 gmc 1500 4x4 78 century boat 92 skidoo

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