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roller block? 

 

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 Post subject: roller block?
Posted: Wed Nov 19, 2008 7:06 pm 
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hi guys
just wondering if eb v8's are a roller block and wot type of cam they run ie hydraulic etc

thanks

 

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Posted: Wed Nov 19, 2008 8:14 pm 
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Yes all 5.0's from EB up have hydraulic roller lifters with correspondingly taller lifter bores.
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Posted: Thu Nov 20, 2008 8:17 am 
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XR9UTE wrote:
Yes all 5.0's from EB up have hydraulic roller lifters with correspondingly taller lifter bores.


hmmm was talking to someone a while back who siad try & get an old mexican block for my rebuild ....going by your quote, it would mean older block's wouldn't work with roller cam's & lifter's? or the block would have to be modified? i've no idea.
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Posted: Thu Nov 20, 2008 10:04 am 
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You can but you'll need to either use a reduced base circle cam(often called retro-roller cams) to allow use of the stock roller lifters or, use link-bar type roller lifters such as the type made by Crane..these will allow stock base circle cams to be used.
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Posted: Sun Nov 23, 2008 8:38 pm 
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Ive seen a number of second generaton windsors(5.0L) converted to flat tappet for budget purposes. considering that a performance roller is upwards of $650(cam alone) it makes sense to consider a flat tappet cam and lifters,pushrods,gaskets and chain set for good performance gains at the same cost. Of course the rollers are better but if its just gunna do burnouts.....

 

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Posted: Sun Nov 23, 2008 10:06 pm 
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I can get comp roller cams for $350 and you don't have to buy new lifters like you do with a flat tappet or pushrods for that matter. So a flat tappet conversion is false economy.
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Posted: Mon Nov 24, 2008 8:55 pm 
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Thanks. Musta bin a few yrs ago when they were exorbitant.I retro fitted an NC 5.0L into a 22 foot Pride Carribean cabin cruiser that had a worn out Windsor. The camshaft grind was unique to the Mercruiser 888 Z drive leg and couldnt be replicated with a roller cam. A flat tappet cam conversion was the go and was surprisingly cheap. Just thought it would be the go with slugger Falcons too.

 

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