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#1
03-08-2001, 02:32 PM
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Off the shelf type designs. I know most anyone will make a custom cam, but I am looking for something from stock.
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Inside of every small problem there is a big one struggling to get out..... |
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#2
03-08-2001, 02:32 PM
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Off the shelf type designs. I know most anyone will make a custom cam, but I am looking for something from stock.
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Inside of every small problem there is a big one struggling to get out..... |
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#3
03-08-2001, 03:23 PM
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Comp cams does, they have great qualty. You have to run a bronze dist. gear with them.
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#4
03-08-2001, 03:36 PM
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Crane does and with a pressed on iron dist gear. Right now they have only four grinds available.
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#5
03-08-2001, 04:29 PM
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Pete D,
I am also looking into a hydraulic roller for my 421 project. Comp makes a shelf grind that looks pretty good to me: XE276HR Advertised Duration: 276 in 282 ex Duration @ .050: 224 in 230 ex Lobe Separation 110 Lift: .502 in .510 ex
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#6
03-09-2001, 03:46 PM
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RPM, Does Crane list the specs of their Pontiac hydraulic roller cams online?
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Buzzards gotta eat... same as worms. |
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#7
03-09-2001, 03:58 PM
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Roger, yes they do. http://www.cranecams.com/master/apps/pontiac5.htm
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So long, farewell. |
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#8
03-09-2001, 06:16 PM
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The shelf grind roller cams listed by Crane for Pontiac are Solid Rollers!
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[img]http://photos.msn.com/imageserver/image.aspx?Image=HcZNnT9kkUh7v3gGH5Km42rZ7vcme1lp* UaM!VDE1BG*vgDalH3kuL5h3zNqazZzIGM4Vs6rS1*M8m6jwq2 RRzGpoEcUD1hew3uV4awBUsyFSmp5gkgscnHcokRZl*b8MCsY3 sAhyRgDddNSylRh*Q$$[/IMG] |
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#9
03-09-2001, 06:22 PM
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Here's the page in the latest Comp Cams Catalog for the XE Hydraulic Roller cams:
http://www.compcams.com/catalog/204_205.html
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#10
03-09-2001, 06:55 PM
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Noticed the Comp XR288HR shelf grind.
Spec's: 236, 242 .050 duration, .520, .540 lift, ground on 110 LSA. Seems a little bigger than the old Comp 280. Anyone use this hydraulic roller in a 462-474 with moderately ported (250 cfm) heads??? I am limited to 9.4 C/R, (milled 197's). Car is 3480 lbs (w/o driver, 3695 with). Turbo 400 & currently 3.55's. Current plan is to go custom convertor, taller slick & more gear.
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Buzzards gotta eat... same as worms. |
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#11
03-09-2001, 09:25 PM
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I didn't see them online but in their catalog they are listed under part numbers 289611, 289621, 289631 and 289641. Called the PowerMax hydraulic roller. Durations range from 214/222 up to 242/252. Two smaller cams have 112 lobe sep and two larger 114. Lifts range from .488I to .558I with 1.5 rockers.
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#12
03-14-2001, 12:47 PM
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Hey Pinon Head, I used the 288hr in my 76 GP last season. I was running a little more compression than you but the cam was great for my 462. I was consistently in the mid to high 11's and my heads didn't flow that well. I raced while other guys set valve clearance. This year I opted for a little more cam so I guess I'll be settin valves more often. I think the HRs are great and if I had a streeter I would use them exclusively. Just my 2 cents.
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