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Old 01-20-2005, 01:01   #1 (permalink)
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roller cam setups

First off id just like to say awesome forum guys. very informative

im in the slow process of building a 377 street/strip to eventually go into my xy sedan.
so far my idea goes like this, offset 4ma, eagle 6in I or H-beams and forgies to give me 11-1 with 4Vcc's more than likely relieve the chambers so i can use flattops.

The heads have int/exh tongues and will have the full job on them, ive got the crane golds and stud/guideplates already.

Parker funnelweb and an early 750DP are waiting under my bed (much to my ladies disgust)

Now the bits i havn't dealt with before! I picked up a set of crower roller lifters on ebay new for $400 66218H-16 worth 1300+ i couldnt pass them up
im thinking 256/262@50 650/680ish lift how this sound?

I dont know if i should use oil restrictors with roller setups or not to keep those big springs cool. And should i put bronze liners in the lifter bores?

And lastly anyone care to make a HP prediction?
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Old 01-20-2005, 01:11   #2 (permalink)
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Re: roller cam setups

gooday xyfmtjoe

sounds like a nice combo , if the lifters are hyd i am guessing they are with the h in the part no, oil restricters are a big NO on a hyd cam motor, as far as the bronze liners go i will not guess , but i found out the hard way when i fitted oil restricters to a hyd cam, hope this helps

cheers pete
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Old 01-20-2005, 01:27   #3 (permalink)
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Re: roller cam setups

Thanks pete,
The lifters are solid the H stands hi pressure pin oiling its to give pressured oil to the roller instead of splash oiling. Im not so sure how roller specs compare to solid specs.
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Old 01-20-2005, 02:36   #4 (permalink)
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Re: roller cam setups

Quote:
Originally Posted by xyfmtjoe
First off id just like to say awesome forum guys. very informative

im in the slow process of building a 377 street/strip to eventually go into my xy sedan.
so far my idea goes like this, offset 4ma, eagle 6in I or H-beams and forgies to give me 11-1 with 4Vcc's more than likely relieve the chambers so i can use flattops.

The heads have int/exh tongues and will have the full job on them, ive got the crane golds and stud/guideplates already.

Parker funnelweb and an early 750DP are waiting under my bed (much to my ladies disgust)

Now the bits i havn't dealt with before! I picked up a set of crower roller lifters on ebay new for $400 66218H-16 worth 1300+ i couldnt pass them up
im thinking 256/262@50 650/680ish lift how this sound?

I dont know if i should use oil restrictors with roller setups or not to keep those big springs cool. And should i put bronze liners in the lifter bores?

And lastly anyone care to make a HP prediction?
At the very least you would want a restrictor kit installed.Or there is a trick to installing cam bearings to restrict oil to the cam journals.Sleeving the lifter bores is probably the best bet for oil control.can get expensive though. Work on oil return passages as well.I would definately fill the block as well.I have filled to the bottom of core plugs with no ill effects.Some may have filled more but i don,t how it would go as far as cooling goes.Clevelands don,t have mains priority oiling so if you intend twisting it then expect some level of modification for it to live.Bore thickness isn,t great either.Sonic check first before you spend a bunch of money to verify wall thickness.I,ve hit water with routine 30 thou bores on several candidates.There are better options but these come at a price.As far as your crank is concerned you may find it easier to go with a scat or eagle rather than offset grinding .A whole kit with a 4340 forged crank,h beams ,SRP pistons ,rings,bearings and gaskets can be had for around 3 grand.Imho a 750 is probably too small for this setup as well.
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Old 01-20-2005, 03:14   #5 (permalink)
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Re: roller cam setups

just in reguards to your block, with the bottom being filled, u said no ill affects? so for a street / engine you could do this? i dnt want to rev more than 7000rpm, would i need to do that then?

thanks
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Old 01-20-2005, 03:18   #6 (permalink)
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Re: roller cam setups

Hey u havent posted anywhere wether this was a windsor or cleveland 351 as i have a windsor solid roller cam with 248/254 duration at 50thou and 670thou lift its a comp cam camshaft and is coming out of my engine within a month which has only really done 2000kms tops aswell as comp cams valve springs im sellin both for $800 this cam in a 408 cube engine with low compression and 3v heads has seen 460RWHP on pump fuel and would be ideal for a 351-378 setup its completely streetable cam if your interested or anyone else is let me know:)
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Old 01-20-2005, 04:24   #7 (permalink)
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Re: roller cam setups

nice combo man, similar to mine.

one suggestion... go the h-beams not the i-beams... its worth the investment
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Old 01-20-2005, 04:46   #8 (permalink)
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Re: roller cam setups

Yeah pretty much the same as I would build it. My current 378 stroker has a 750DP and that is only just big enough on a smaller mechanical cam than yours and 2V heads. So agree that a 850DP would be minimum.

I'm using an offset ground 4ma crank and am told it is as strong as aftermarket providing you don't go past a 3.7 stroke ie 377/378.
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Old 01-20-2005, 04:57   #9 (permalink)
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Re: roller cam setups

Quote:
Originally Posted by xyfmtjoe
First off id just like to say awesome forum guys. very informative

im in the slow process of building a 377 street/strip to eventually go into my xy sedan.
so far my idea goes like this, offset 4ma, eagle 6in I or H-beams and forgies to give me 11-1 with 4Vcc's more than likely relieve the chambers so i can use flattops.

The heads have int/exh tongues and will have the full job on them, ive got the crane golds and stud/guideplates already.

Parker funnelweb and an early 750DP are waiting under my bed (much to my ladies disgust)

Now the bits i havn't dealt with before! I picked up a set of crower roller lifters on ebay new for $400 66218H-16 worth 1300+ i couldnt pass them up
im thinking 256/262@50 650/680ish lift how this sound?

I dont know if i should use oil restrictors with roller setups or not to keep those big springs cool. And should i put bronze liners in the lifter bores?

And lastly anyone care to make a HP prediction?
It sounds like the twin to mine , I'm using Herbet roller with I 242 @50 & E 252@50
.650 & .690 lift, offset ground 4ma,4V'S port tongues, parker 4v & Agree a 750 is two small , I would consider as a minimun 850 of 950 .
I SET my limiter to 7500 . Intend to sit up slightly in cam.
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Old 01-20-2005, 05:34   #10 (permalink)
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Re: roller cam setups

Quote:
Originally Posted by Jet711
just in reguards to your block, with the bottom being filled, u said no ill affects? so for a street / engine you could do this? i dnt want to rev more than 7000rpm, would i need to do that then?

thanks
This was in a street engine.The car was driven on many occasions during peak summer temps with no problems.As far as i am concerned these blocks usually need all the help they can get in the bore dept.Its usualy the first place they let go.lets not forget that most are 30 years plus now.
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