454-420: are they full roller?
08-28-2006, 12:55 PM
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454-420: are they full roller?
I opened mine and they are regular lifters but roller rockers.
I thought they were full roller!
So what is your guess ? How were they built out from factory?
Roller lifter only ?
Roller rockers only ?
Roller all the way?
Thanks!
I thought they were full roller!
So what is your guess ? How were they built out from factory?
Roller lifter only ?
Roller rockers only ?
Roller all the way?
Thanks!
08-28-2006, 01:05 PM
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Re: 454-420: are they full roller?
Originally Posted by 302SR1
Flat Tappet Hydraulic Cam, Gold Crane Roller Rockers
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08-28-2006, 01:59 PM
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Re: 454-420: are they full roller?
They are a good foundation. 990 or 188 casting square port heads. Steel crank, 7/16 rods, and 4 bolt mains.
Cam change, Intake and Carb change, Good exhaust, They will make around 500HP
Cam change, Intake and Carb change, Good exhaust, They will make around 500HP
08-28-2006, 02:00 PM
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Re: 454-420: are they full roller?
apparently they are...my engine builder will make it 500-520 with only blueprint and full hydraulique cam. they then would be ready for step 2 somedays...blowers.
08-28-2006, 02:18 PM
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Re: 454-420: are they full roller?
I built a 454 420 clone but I bored mine over .030 and balanced and used large oval port head with big valves that are ported and flowed, an rpm air-gap intake. My machine shop told around 475-500hp. I know it sure runs nice and strong.
08-28-2006, 03:02 PM
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Re: 454-420: are they full roller?
Originally Posted by jeff32
I opened mine and they are regular lifters but roller rockers.
I thought they were full roller!
So what is your guess ? How were they built out from factory?
Roller lifter only ?
Roller rockers only ?
Roller all the way?
Thanks!
I thought they were full roller!
So what is your guess ? How were they built out from factory?
Roller lifter only ?
Roller rockers only ?
Roller all the way?
Thanks!
I opened one and it was roller lifter, but standard rockers, mild dome pistons, and 502 marine heads. ummm, something sounds strange....
