With the Crowers (1.6:1) on the V6, you don't have to dimple anything.
V6 + Crower 1.6:1 - No dimple, just install
V6 + Crower 1.7:1 - Dimple or modify factory oil baffle
V8 + Crower 1.6:1 - Dimple or modify factory oil baffle
V8 + Crower 1.7:1 - Dimple or modify factory oil baffle
A few small steps before reinstalling the valve covers and reinstalling
the plugs...connect the battery and turn the engine over for about 15-20
seconds to pump up the lifters again (watch for oil coming out of the
pushrod hole on the rocker). Go through the rockers one more time on
the adjustment and close it up. This is a safety as some of the lifters
may have bled down while you were replacing the rockers...it just
assures that you didn't over tighten the rocker adjustment and
(possibly) damage a lifter.
- Bernd
-----Original Message-----
From: owner-dakota-truck@buffnet.net
[mailto:owner-dakota-truck@buffnet.net] On Behalf Of Sam Parthemer
Sent: Wednesday, January 23, 2002 12:10 AM
To: dakota-truck@buffnet.net
Subject: RE: DML: Re:Roller rockers for 97 V-6
Remove valve covers, remove stock rocker arms... install new studs with
locktite (red). Loosely install new rockers on studs (install guide
plates and pushrods if applicable). Remove all plugs. Rotate engine
via alt pulley to TDC cyl #1 (marked on harmonic balancer). Tighten
rocker on cyl #1 until pushrods have zero lash (no up/down, but with
finger friction if you twist the pushrod). Lock down rocker (do both
intake/exhaust), rotate engine 90 degrees (there's another small mark),
go to next cyl in firing order, adjust rockers/lock down, rotate engine
another 90 degrees (another small mark)...adjust next cyl in firing
order.. etc.. continue for all 6 cyl. You'll need to dimple your
stock vavle covers to clear studs, hammer and punch can do it.
Install covers.. Turn over engine to pump up rockers.. listen for
tappets... wait... do it again.. continue 4-5 times, for about 5 seconds
each... Noise should go away... Remove covers, check rockers for
binding, loosening... If anything is loose, start over from beginning
(sucks, but is the best way). If everything looks good, reinstall
plugs... Fire it up... if tappet occurs, run not more than 10
seconds... wait 5 minutes, re start... Noise should be very light... IF
REAL LOUD, STOP!! CHECK EVERYTHING AGAIN.
A small amount of tappet sound is 'ok'... drive under 3000 rpm for first
50 miles... Enjoy!
Sam
-----Original Message-----
From: owner-dakota-truck@buffnet.net
[mailto:owner-dakota-truck@buffnet.net] On Behalf Of Wes Weems
Sent: Tuesday, January 22, 2002 9:48 PM
To: dakota-truck@buffnet.net
Subject: Re: DML: Re:Roller rockers for 97 V-6
Whats involved in installing, and what kinda adjustment stuff is
necessary... I dont necessarily trust myself with all the fine
adjustments, like I dotn do pinion/ring gears, and up till now, nothing
to do with with cam/valves/rockers
----- Original Message -----
From: "Sam Parthemer" <srp@home.com>
To: <dakota-truck@BUFFNET.NET>
Sent: Tuesday, January 22, 2002 8:59 PM
Subject: RE: DML: Re:Roller rockers for 97 V-6
> Not true... Running a set of 1.7s on a stock engine will add 5-10 hp,
> and a good bit of torque (20-30 ft. lbs. est.)
>
> I sell Crower 1.6/1.7s... The setup for V6 may or maynot have the
guide
> plates (so for applications under 5500 rpm only on V6). Crower does
not
> sell the V8 without the guideplates anymore. If you are interested,
> email me and I'll check pricing for you.
>
> Sam
>
>
>
> -----Original Message-----
> From: owner-dakota-truck@BUFFNET.NET
> [mailto:owner-dakota-truck@BUFFNET.NET] On Behalf Of Andy Levy
> Sent: Tuesday, January 22, 2002 6:51 PM
> To: dakota-truck-moderator@bent.twistedbits.net
> Subject: Re: DML: Re:Roller rockers for 97 V-6
>
> If it's anything like the V8 RRs, it's not worth the expense and time
> unless you already have a LOT of work into the engine.
>
> Baddakota@aol.com wrote:
>
> > I was wondering if anyone has installed a set of roller rockers on
> there 3.9
> > V-6? Any input you could give on them would be helpful, Also, what
> brands
> > are there and how much are they going to cost me?
> > Thanks guys,
> > Mike Stepp
>
> --
> -andy
> andylevy@yahoo.com
> Maintainer, DML FAQ - http://www.dakota-truck.net/faq/
> http://home.twcny.rr.com/andylevy/dakota/
> '99 CC 4x4 318 auto
>
>
>
>
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:03:50 EDT