That's why I come to you guys 8^] Regards,
Jim --- Carl Ziegler <[EMAIL PROTECTED]> wrote: > You would think that. By retarding the timing 2-3 > degrees an exhaust leak would sound different. > Weak springs on the centrifical advance in the > distributor causing the timing to move at "certain" > rpms??? Seen alot in my 25+ years of tinkering with > over 350 cars bought and sold... > > ----- Original Message ---- > From: J. Brady <[EMAIL PROTECTED]> > To: The Chevelle Mailing List > <chevelle-list@chevelles.net> > Sent: Friday, November 10, 2006 6:10:44 PM > Subject: Re: [Chevelle-list] 327 question > > Only thing is, if it were lower end, wouldn't you > hear > it continue at higher RPMs? That the part that's > eatin me. > > Jim > > > --- Carl Ziegler <[EMAIL PROTECTED]> wrote: > > > It could be an exhaust leak as well. Been > there.... > > Try adjusting the timing a few degrees. If > nothing > > changes it might be in the lower end > > unfortunately... > > > > ----- Original Message ---- > > From: J. Brady <[EMAIL PROTECTED]> > > To: The Chevelle Mailing List > > <chevelle-list@chevelles.net> > > Sent: Friday, November 10, 2006 5:58:12 PM > > Subject: Re: [Chevelle-list] 327 question > > > > That's exactly what I think it is Carl, sounds > like > > a > > wrist pin or piston slap to me. > > > > I don't recall hearing it when in the driveway, > only > > when out on the road. > > > > Jim > > > > > > --- Carl Ziegler <[EMAIL PROTECTED]> wrote: > > > > > Does it only happen when under a load or can you > > sit > > > there and rev it to hear it? I would try to > > retard > > > the timing a bit to rule that out as well, just > to > > > see... I had lifters act like that as well on a > > > 283, no clatter until a certain RPM, sounded > like > > a > > > rist pin or piston slap. My $.02 > > > > > > ----- Original Message ---- > > > From: J. Brady <[EMAIL PROTECTED]> > > > To: Chevelle Group <chevelle-list@chevelles.net> > > > Sent: Friday, November 10, 2006 5:35:46 PM > > > Subject: [Chevelle-list] 327 question > > > > > > Drove the '66 to work today, and decided to > throw > > > this > > > question out to "the Council": > > > > > > My car runs great, and the 327 has an aluminum > > > intake, > > > speed pro 10.5:1 pistons, crane powermax cam > > > (272/284), Comp Cams roller rockers, and freshly > > > built > > > camel hump heads with pinned in studs. Valves > > have > > > been redone within the past 2-3 years with MAYBE > > > 1000 > > > miles on them, and I have new valve springs and > > > retainers (also Crane, to match the cam). > > > > > > All that being said, it runs great with one > small > > > pet > > > peave.. When I drive the car it runs flawlessly > > > UNTIL > > > I get to 2000 RPMs on the tach, at which point I > > > hear > > > a slight "chatter". That's the only way I can > > > describe it. I've heard hung up lifters before, > > and > > > that's not the noise- that's a chronic > > > "tap-tap-tap-tap" (like 1-2-3-4). This, in my > best > > > impression, goes "dadadadadadada" in a much > faster > > > interval, thus the chatter description. It > sounds > > > like it's on the driver side of the engine, and > > > happens ONLY at 2K RPMs.. I drop back, it goes > > > away- > > > I increase throttle PAST 2K RPMs, it goes away. > I > > > thought maybe it might be something bumping the > > > dipstick or something stupid like that, so I > moved > > > the > > > dipstick and it still happens. > > > > > > I don't think it's worth pulling the engine back > > out > > > to check, but it's damned frustrating. Anyone > > have > > > any guesses? I do not have valve guides and I > > > wondered if it might be that I need them. > Another > > > note, I had the same noise when I had my 260/272 > > cam > > > in it, which I just swapped out to the 272/284 > as > > of > > > this year. I thought maybe the disassembly and > > > reassembly might make it go away (with > > readjustment > > > of > > > the valves), but it's still there so I'm > guessing > > > it's > > > lower end noise. But from where and why ONLY at > > > that > > > revolution? > > > > > > Thanks in advance, > > > > > > Jim > > > '66 Malibu > > > > > > > > > > > > > > > ____________________________________________________________________________________ > > > Cheap talk? > > > Check out Yahoo! Messenger's low PC-to-Phone > call > > > rates. > > > http://voice.yahoo.com > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ____________________________________________________________________________________ > > > Want to start your own business? > > > Learn how on Yahoo! Small Business. > > > http://smallbusiness.yahoo.com/r-index > > > > > > > > > > > ____________________________________________________________________________________ > > Do you Yahoo!? > > Everyone is raving about the all-new Yahoo! Mail > > beta. > > http://new.mail.yahoo.com > > > > > > > > > > > > > > > > > > > > > ____________________________________________________________________________________ > > Do you Yahoo!? > > Everyone is raving about the all-new Yahoo! Mail > > beta. > > http://new.mail.yahoo.com > > > > > ____________________________________________________________________________________ > Cheap talk? > Check out Yahoo! Messenger's low PC-to-Phone call > rates. > === message truncated === ____________________________________________________________________________________ Do you Yahoo!? Everyone is raving about the all-new Yahoo! Mail beta. http://new.mail.yahoo.com
