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Thread: Gen 1: 2004-2005 Best bang for the buck head/cams? Reply to Thread
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  Topic Review (Newest First)
11-10-2012 06:47 AM
thundercoupe9
Quote:
Originally Posted by Savage05 View Post
Thanks man. I'm pretty new to this kind of stuff with bikes. Which would be better? .015" or .020" with a .045" hg? And what about springs and retainers, and cam gears? Excuse my ignorance but I'm gunna need to be spoon fed here. LoL!
Gazx10 is bad about metric and standard systems. he probably meant .45 or .50mm head gasket. Stock cam gears are fine and can be flipped and degreed that way. Stock springs should be good with 08 race cam, but I'd replace the retainers with factory ones ( 04-06 had bad batch retainers that liked to crack and drop valves). You or your builder would have to measure the quench, also measure ptv clearance while you're at it, set your intake cam around 107 or so and go from there.
11-09-2012 12:38 PM
Savage05 Thanks man. I'm pretty new to this kind of stuff with bikes. Which would be better? .015" or .020" with a .045" hg? And what about springs and retainers, and cam gears? Excuse my ignorance but I'm gunna need to be spoon fed here. LoL!
11-09-2012 09:23 AM
gazx10 keep the gen 1 head, use the .045-.050 hg only, where ever u have to find it. u need to tighten quench up to .026-.028, it's important. deck .015-.020 i pay $40 for decking. good cnc full radius vj with increase power 3-4% thru increased flow and the ports can easily be improved. if u want a decent running bike, do the 08 race cam, settle for what hg is easily availabe, leave the head alone. for your stated purpose, set the quench tight, deck .020, match int. manifolds, match valve seat inserts to port, clean up, bowl port, and retexture ports, cnc vj. this is the diff. between decent and fast, within your 1k budget, if u can reassemble. lmk if i can help.
11-09-2012 07:59 AM
Savage05 How much would I need taken off of the head?
11-09-2012 12:32 AM
thundercoupe9
Quote:
Originally Posted by Savage05 View Post
Ok, cool. I've never priced having a head decked or anything like that. What does that usually cost?
About $100 around here, and then you can use .60 gasket that costs $21 shipped
11-08-2012 11:37 PM
Savage05 Ok, cool. I've never priced having a head decked or anything like that. What does that usually cost?
11-08-2012 06:53 PM
thundercoupe9 deck the stock head, 08 race cam, extended rev limit set at 13.5k and tune, don't port or polish anything, stock head is big enough from the factory lol
11-08-2012 06:52 PM
garth285 I wouldnt bother swapping heads, just do the 08 race intake, stock exhaust, bump that compression up and you will be set. I have my buddys 04 zx10 with full akro making 177hp on pump gas :-) decent for a stock bore bike!
11-08-2012 06:44 PM
cookmaster30 I just sold a killer package. But I agree with zx
11-08-2012 06:01 PM
zx racer i would keep the gen1 head and spend the $$$ on gettin your head port/polish, milled, upgrade the retainers the stock ones are junk, thin hg and drop in 08 race intake cam. you'll see nice gain man without hurtin the wallet.
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