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Old 06-14-2004, 10:57   #1 (permalink)
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Roller cams

Are there any other hydraulic roller cams out there for the 351C besides the following?

crane cam
Part #:529541
2500 - 6000 rpm
roller

Comp Cams
Part #:32-431-8
2000 - 5500
roller
Kit #:
K32-431-8
SK32-431-8
CL32-431-8

crower
Part #:15480
2500 - 6000
roller

I am using a weiand X-CELerator intake #7516 (2v) and it has a power band of 1500 - 7000 rpm and I'm trying to match that power band the best I can.
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Old 06-14-2004, 14:14   #2 (permalink)
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Re: Roller cams

Quote:
Originally Posted by Chaucer
Are there any other hydraulic roller cams out there for the 351C besides the following?

-------->8 snipped...

I am using a weiand X-CELerator intake #7516 (2v) and it has a power band of 1500 - 7000 rpm and I'm trying to match that power band the best I can.
I'm not sure that I'd recommend a hydraulic roller at 7000 RPM. If you're trying to get maximum power across the widest band, you're going to want to use a solid roller in the upper RPM range. However, I'm not so sure that I'd call the X-Celerator a 1500-7000 RPM manifold, either. My thinking is that it is much closer to a 2800-6800 part.

You may want to consider a custom ground cam for your particular application. Considering the cost of a roller cam, another $40 to get a custom ground piece is inconsequential.

:davis:
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Old 06-14-2004, 18:56   #3 (permalink)
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Re: Roller cams

Im not sure either on the sizes of hydraulic cams but Iskenderian are another brand that are available i use a comp cam as they spend the most money in research and development nearly twice the amount of other companys and they come highly recomended by engine builders i personally use a solid roller cam and for the power range u stated a solid would be best suited although i dont think the xcellerator manifold would be good enough a funnelweb or TFC would be the go. My current setup with the comp cams camshaft with smallish duration 252 at 50thou and 670 thou lift nets me 458.7 rwhp on pump fuel with more to come when propally run in, so id definately say go a comp cam solid roller :)
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Old 06-15-2004, 00:36   #4 (permalink)
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Re: Roller cams

Quote:
Originally Posted by XD408
Im not sure either on the sizes of hydraulic cams but Iskenderian are another brand that are available i use a comp cam as they spend the most money in research and development nearly twice the amount of other companys and they come highly recomended by engine builders i personally use a solid roller cam and for the power range u stated a solid would be best suited although i dont think the xcellerator manifold would be good enough a funnelweb or TFC would be the go. My current setup with the comp cams camshaft with smallish duration 252 at 50thou and 670 thou lift nets me 458.7 rwhp on pump fuel with more to come when propally run in, so id definately say go a comp cam solid roller :)
The 458.7 rwhp you speak of, is tha N/A or with blower, as in under your name ?
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Old 06-15-2004, 01:53   #5 (permalink)
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Re: Roller cams

its an N/A the plates i bought b4 the engine was even started my mechanic has a 6/71 hes been tryin to convince me to put on since i started building it decided id get use to a high hp N/A b4 i strapped that on, or i lost a race whichever comes first
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Old 06-15-2004, 02:05   #6 (permalink)
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Re: Roller cams

Dam, thats good power, what are the specs, stroked or not alloy heads ? etc.....
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Old 06-15-2004, 08:09   #7 (permalink)
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Re: Roller cams

Actually, I decided to go with the edelbrock performer intake which has a rpm range of idle to 5500. I am also going to go with the Comp Cam roller setup that has a rpm range of 2000 - 5500. Since this is basically going to be a street engine, I think this will work out well.
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Old 06-16-2004, 06:36   #8 (permalink)
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Re: Roller cams

For an engine of that powerband i'd say a hyd. roller is an absoloute waste of money. A hyd. flat tappet will handle that sort of power range on its ear and save you over $1000 (if your in aus) at the same time.
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Old 06-16-2004, 06:43   #9 (permalink)
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Re: Roller cams

Is the 671 complete with manifold, drive snout, carb adapter and pulley's ?
If so Can I have the contact details of your mechanic?

Cheers Brett
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Old 06-16-2004, 20:57   #10 (permalink)
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Re: Roller cams

Quote:
Originally Posted by xdc351
For an engine of that powerband i'd say a hyd. roller is an absoloute waste of money. A hyd. flat tappet will handle that sort of power range on its ear and save you over $1000 (if your in aus) at the same time.
I agree. Improved drivability is probably the greatest gain to be made on a roller cam that small. But then again, a cam that small isnt going to have driveability issues.....

I'd save the additional AU$2,000 and go hydraulic myself.
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