roller vs. non roller block - Forums at Modded Mustangs
 
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post #1 of 12 Old March 28th, 2007, 04:26 PM Thread Starter
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roller vs. non roller block

newbie just trying to get some answers. what is the difference between the two?
should i avoid a non-roller block?
can you turn a non-roller into a roller?

I'm looking at a shortblock 351w non roller block. am i limited with this block.

it seems all the performance heads are for roller rockers...what kind of heads would i have to buy?

thanks for the help....
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post #2 of 12 Old March 28th, 2007, 05:01 PM
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They have a retro-fit kit that's very pricey. But I've seen some massive, sturdy power made from non-roller blocks but the power curve will be different. I would look at a retro-kit or see how you can PROPERLY change your non-roller cam and lifters, to roller.

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post #3 of 12 Old March 28th, 2007, 05:02 PM
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Roller blocks are blocks that had factory roller cams. They can use factory lifters and hardware. Non roller blocks can still use roller cams but you either need to get a retrofit kit or buy aftermarket roller lifters. I prefer the older non roller blocks because they are stronger. Newer blocks have alot of "corners cut" to cut costs.

You can put roller rockers on any heads. Buy the heads that fit your combination and then buy roller rockers for that particular head.

My daily driver has 16 cylinders and 4400hp @ 1000 rpm....


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post #4 of 12 Old March 28th, 2007, 05:23 PM
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I got that retro-fit tips and other from Darrell as well, thanks to him I also verified that the 351 I looked at IS a 351. Haven't run the numbers yet so I can get the year

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post #5 of 12 Old March 28th, 2007, 06:00 PM
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so basically i can take my non roller 302 and put a roller cam and roller lifters in it and tadaa it will work, is there anything else u have to change to do this or what????
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post #6 of 12 Old March 28th, 2007, 06:10 PM
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Originally Posted by whiteboycustom
so basically i can take my non roller 302 and put a roller cam and roller lifters in it and tadaa it will work, is there anything else u have to change to do this or what????
You said the same thing when i asked about non-roller and roller.... Watch what darrells gonna tell ya

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post #7 of 12 Old March 28th, 2007, 08:07 PM Thread Starter
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so will a new roller cam be all i need if the heads come with the roller/rockers? Will the heads bolt up fine to a non-roller block?

Thanks
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post #8 of 12 Old March 29th, 2007, 01:14 AM
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Yes the rockers have nothin to do with the block, And yes the heads will bolt up if they are for that motor. Do you know what a rocker is?????
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post #9 of 12 Old March 29th, 2007, 11:37 AM Thread Starter
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obviously from my question Im somewhat confused as to what a rocker is.
I thought I understood and then came across non roller short blocks. On a
short block at what point does it become a roller block? Yes i'm knew to all of this and just trying to get well informed. I appreciate the help.

DJKING
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post #10 of 12 Old March 29th, 2007, 11:38 AM
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"You said the same thing when i asked about non-roller and roller.... Watch what darrells gonna tell ya"

i just wanted a good conformation so if i go to change out my cam i can get a roller cam and change out the lifters and all of that, but i have a non roller right now
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post #11 of 12 Old March 29th, 2007, 11:44 AM Thread Starter
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so whiteboy is it just the cam that needs to be changed to a roller cam?
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post #12 of 12 Old March 29th, 2007, 11:53 AM
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im not to sure thats what im trying to figure out im sure the cam and lifters as far as anything else im lost
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