| Author | Message | ||
     Rocketman |
Can anyone point me to a diagram showing me the timing marks to install the Andrews N9 cams please? I'm at the stage where the cams were removed from the motor and left face down in the cam cover. It seems that amongst all the paperwork and tech info etc I got from having this motor originally put together from the dealer in 1999 I never got the cam spec info. I can remove the cams carefully and inspect them Noddy style one at a time but it doesn't look like I've got the timing relationship coming off the crank pinion by way of any markings on the sprockets themselves. Meanwhile I'm trawling Andrews website amongst others but all I see is listed in degrees and I don't want to sit there messing with a degree wheel when I can do it in 10 minutes with the correct picture \ info. Thanks if you can help. Perhaps as a future suggestion we could start a KV topic where we could find such info on many popular cam set-ups. Rocket | ||
| Peter |
Have you got any marks on the cams at all? | ||
| Bandm |
Knowledge Vault pdf Page 4 has timing mark info | ||
| Rocketman |
Silly me. I didn't see close enough last night but there is a fine line on the crank pinion sprocket I didn't notice. This of course lines up with the corresponding dot on the rear cylinder inlet cam - and all the other cam / dots follow nicely. My excuse is my thyroid eye problem for not letting me see closer at first glance!!!! The other lesson I learned today is that Andrews, and I guess other cam manufacturers too, stick to the same markings as Buell / HD. Common sense really when I think about it. Solution........................open up workshop manual to relevant section and the cam timing marks are right in front of ones nose. Job done - cams timed  Thanks Pete. I am going to call you soon for a natter. Bandm. Thanks for the link too. I couldn't find that diagram and it was exactly what I'd spent time surfing for and it's in the freekin manual. Rocket | ||
| Rick_a |
Hey Rocket, how much clearancing work was involved to install those originally? I imagine those valves get mighty close on overlap. | ||
| Leftcoastal |
You may want to get some of the proper diameter pins so you can measure the cam gears with a mic. (These pins set in the teeth of the gear on opposite sides of the cam gear so you can measure the diameter of the gear) If your cams are larger than the stock gears (we're talking .00__ increments here) you will have serious trouble. Stock cams are set up at the factory to fit the individual cam covers and are NOT all the same. Slightly smaller is usually OK, but bigger can cause catastrophic failures of pinion gear key and all that can result from that! To quote Mr. Canfield, "remind me to tell you sometime" how I know this. AL | ||
| Rocketman |
I don't know what clearance work has been done. I'm rebuilding my motor to the exact same spec it was when it was first put together (excepting the Cometic gaskets) by the original builder. Bare in mind this engine ran fantastic for 9500 miles - until the original builder re-ringed it after removing and re-fitting the pistons with too small circlips - the cause of the catastrophic failure it turned out. The only change to the original parts I'm using is the crankcases themselves and thus the crankcase side bushings which are of course new and fitted at the factory upon manufacture. The timing cover bushes are the originals and in perfect condition and everything seems to turn and behave proper. Tomorrow I start putting the top end on and I'll be getting stuck in with plasticine and measuring devices in search of squish and deck height etc etc. Thanks for the heads up. Keep 'em coming. I'm sure between you and I and Denish's finest tuning manuals I might be in with a fighting chance of making it work as it once did - the right way and in search of 110rwhp! Rocket |
