They are
the same. The Opti changed in 1995. The intake changed in 1994.
-Original
Message-
From:
[EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]On
Behalf Of Dan Mascheck
Sent: Thursday, November 09, 2006
6:43 PM
To: 'The Chevelle Mailing List'
Subject: [Chevelle-list] LT1
I
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
If you have access to the original 396 motor, than you can check the serial
no. If it matches than it should be a SS. Mike T.
- Original Message -
From: Mike Holleman [EMAIL PROTECTED]
To: The Chevelle Mailing List chevelle-list@chevelles.net
Sent: Thursday, November 09, 2006 9:04 PM
Hi Jim,
Let me start off by saying, you do have valve guides, maybe you meant to say
you didn't have them replaced when the work was done on the heads? Either
way, you have them. As for the noise, are you sure it's coming from the
engine? Do you have a manual or auto trans? It could be
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-
Thanks for the input Herb- I'm pretty sure it's
engine-related, as I've put the car back together from
scratch as you know, and I'd hoped to eliminate any of
that hubub to avoid making you guys compensate for it
8^]
As for the tranny, plain ole PG 2 speed automatic.
It's the weirdest thing.
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
I agree with Herb. If its a stick does the noise go away when you push the
clutch in ? Throwout bearings can make all kind of little noises.
Larry
(Z)
Yikes your answer came in between reading Herbs and sending mine.
Larry
(Z)
No worries Larry, appreciate the help!
Regards,
Jim
--- [EMAIL PROTECTED] wrote:
Yikes your answer came in between reading Herbs and
sending mine.
Larry (Z)
Want to start
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.netSent: Friday, November 10,
Check your torque convertor bolts, that will also cause that type of noise.- Original Message From: J. Brady [EMAIL PROTECTED]To: The Chevelle Mailing List chevelle-list@chevelles.netSent: Friday, November 10, 2006 5:58:12 PMSubject: Re: [Chevelle-list] 327 questionThat's exactly what I
You know, that sounds logical actually- since I'm only
hearing it when the car is moving. And I haven't been
back to those bolts since the engine went in the car
in '03.
Jim
--- Carl Ziegler [EMAIL PROTECTED] wrote:
Check your torque convertor bolts, that will also
cause that type of noise.
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
Thanks!
From: Jim H. Thompson
[mailto:[EMAIL PROTECTED]]
Sent: Friday, November 10, 2006
3:54 PM
To: The
Chevelle Mailing List
Subject: Re: [Chevelle-list] LT1
They are the same. The Opti changed in 1995. The
intake changed in 1994.
-Original
Message-
From:
Heat riser ??? Try to tie it up if you have one, see if noise goes away.
Assuming you have one. gm66
--- [EMAIL PROTECTED] wrote:
From: Carl Ziegler [EMAIL PROTECTED]
To: The Chevelle Mailing iYou would think that. By retarding the timing 2-3
degrees an exhaust leak would sound different.
I actually don't have one in the car- running headers.
Thanks for the suggestion though!
Jim
--- [EMAIL PROTECTED] wrote:
Heat riser ??? Try to tie it up if you have one,
see if noise goes away. Assuming you have one. gm66
--- [EMAIL PROTECTED] wrote:
From: Carl Ziegler [EMAIL
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
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