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10-24-2009, 06:26 PM
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I built it
Join Date: Sep 2008
Location: Bakersfield ca
Posts: 744
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camshaft selection ?
i know its engine related but thought i would get more feedback in the high traffic area
 . so my question is: is anyone runing the comp cams XR264HR in their bbc? how do you like it and what is a good setup to have? like what compression and how much torque converter are you runing? my engine is kinda in need of a rebuild and im just goin to build it how i want it (as much as i can afford )
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'72 k10 lwb 454, th400, 205, d44ft, 12b rear, 4in skyjacker, 35x12.5-15 superswampers, 4.56, blazer tank. painless wiring harness '98 dodge 3500 12v 5sp 4x4. the truck that actually runs Quote:
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10-24-2009, 06:39 PM
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just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Re: camshaft selection ?
More is not always better.....
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Bad planning on your part does not necessarily constitute an instant emergency on my part.... The great thing about being a pessimist is that you are either pleasantly surprised or right.
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10-24-2009, 09:10 PM
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#3 |
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I am a Referee of life.
Join Date: Jun 2000
Location: Greensboro N.C.
Posts: 13,993
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Re: camshaft selection ?
If you are going to do a complete rebuild,I would suggest you design a package to acheive the performance you want/can afford.Figure out how much you have to spend then dtermine what parts get you the most performance.The biggest mistakes I see in engine builds are overcamming and over carbing an engine.A cam that's has just a little lope in a 454 may be very radical for a 402.Displacement,CR and head flow will determine which cam works best for you.If you go to a larger head port then you will flow more air at higher RPMs but at part throttle the engine may be really sluggish.Set a budget and goals for the engine and then have a cam manufacturer help you with cam selection.
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The 47-present Chevrolet and GMC Truck Message Board Network,it's owners,moderators,members,and associates of any type should not be held responsible for my opinion. You can't fix stupid,not even with duct tape. "My appearance is due to the fact that "GOD" does punish you for having too much fun!" Barrett-Jackson has perfected alchemy,they make rust into gold! "You can lead a horse to water but you can't saddle a duck" "Cleverly disguised as a 'Responsible Adult' "Sometimes your Knight in shining armor is just a retard in tinfoil" |
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10-24-2009, 10:15 PM
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#4 | |
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I built it
Join Date: Sep 2008
Location: Bakersfield ca
Posts: 744
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Re: camshaft selection ?
well im keepin the same heads, mabey get them machined(not sure what the numbers are on them)... im lookin mostly for torque. i used the comp cams "camquest" thing to find the cam i put in the first post. im happy with the torque numbers
im guessing to run it at about 8.5:1 or 9:1 compression. i havent talked to comp yet, im just finding out what ya'lls opinions of the cam selection. or even recommend another. i really want to put a roller cam in though. the roller cam and the rebuild is about the extent of my money... haha. but its goin into the 454 i got, and im runin a 750 carb
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'72 k10 lwb 454, th400, 205, d44ft, 12b rear, 4in skyjacker, 35x12.5-15 superswampers, 4.56, blazer tank. painless wiring harness '98 dodge 3500 12v 5sp 4x4. the truck that actually runs Quote:
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