Thanks for the info Bernd, I'll let you know if I decide to do heads this
summer.
-- -Josh 2000 Dakota CC 3.9L""Bernd D. Ratsch"" <bernd@texas.net> wrote in message news:001a01c2f651$7d066470$090aa8c0@homenet.com... > > I use a custom grind from CompCams (sold to me via Marty at KRC) which > works beautifully from right off idle up to 4900rpm (the cam falls flat > after 5000rpm - that's my shift point). > > I still have access to the machine shop that did Ron's V6 heads (he can > tell you how they looked) which will also gain you quite a bit. With > the cam, mild head work, 50mm TB, and some fuel system tuning (APEXi > SuperAFC-II)...you can count on an easy 35-40HP more at the rear wheels. > > - Bernd > > -----Original Message----- > From: owner-dakota-truck@bent.twistedbits.net > [mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Josh > Battles > Sent: Saturday, March 29, 2003 5:04 PM > To: dakota-truck-moderator@bent.twistedbits.net > Subject: DML: Re: RE: Re: RE: roller rockers > > > > Bernd, what can I do to get a lower RPM band boost from my V6? I've > heard that the 1.6 rockers and a cam will make a very noticable > difference, but I've not had too much luck finding a cam that I like, > maybe I should just go with the 1.7 rockers.... But then I'm more of a > Ford 289ci V8 (I've got a 66 fstbk) kinda guy so I don't know that much > about the Dodge 3.9L V6..... The truck pulls really quite well for a v6 > about 2800 rpm's but there's some sort of a "lag" as soon as you hit > aboud 2K rpm that's killing me. I've tried all sorts of things to get > rid of it, but I think it's gonna have to be a cam/rocker/head fix. > Here's what's on the truck: ported V8 TB MSD 6AL ignition Accel > coil/wires/"u" groove plugs K&N FIPK - possibly to come off soon in > favor of shaker hood. Custom PCM program (done by a friend in tech > school) FMS 19#/hr injectors > > Any ideas??? > -- > -Josh > 2000 Dakota CC 3.9L > > > ""Bernd D. Ratsch"" <bernd@texas.net> wrote in message > news:000a01c2f5ac$d8cae1f0$090aa8c0@homenet.com... > > > > If you're looking for Crowers: http://www.socaldakota.com > > ...Mopar/Crane: http://www.muscletrucks.net > > > > Yup...you'll get a nice mid and upper RPM boost from the 1.7's. > > > > - Bernd > > > > -----Original Message----- > > From: owner-dakota-truck@bent.twistedbits.net > > [mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Eric > > Luce > > Sent: Friday, March 28, 2003 10:31 PM > > To: dakota-truck@dakota-truck.net > > Subject: DML: Re: RE: roller rockers > > > > > > > > Thanks Bernd. This will likely be the end of any performance upgrades > > > other than tune-up issues. I don't anticipate changing anything else. > > Who is a good supplier for this package, Summit, perhaps? and would > > the 1.7 still be my best choice, with the engine staying basically > > stock, other than the FIPK and catback? > > > > Eric Luce > > > > ----- Original Message ----- > > From: "Bernd D. Ratsch" <bernd@texas.net> > > To: <dakota-truck@dakota-truck.net> > > Sent: Friday, March 28, 2003 10:50 PM > > Subject: DML: RE: roller rockers > > > > > > > > > > Definitely a good upgrade. > > > > > > Crane/Mopar or Crower are the best choices with the Crowers being > > > the top-dogs. Stay away from the shaft roller conversions as they > > > do not allow for adjustability. You can also find the rockers in > > > 1.6, 1.65, 1.7, 1.72, 1.8, and 1.9:1 ratios (just need to know which > > > > ones to get). > > > > > > Recommendation: 1.7:1 Crowers with the Crane Stud Kit (Saves on the > > > pocket book a little bit and will work well together - verified with > > > > Crower and Crane on this combination). If you're going to use > > > guideplates, definitely upgrade the pushrods to hardened models - > > > stock length will work as you can adjust the rockers. > > > > > > One thing to keep in mind is if you plan on changing out the cam at > > > some point...if you do, stick with the 1.6:1 Rollers. > > > > > > - Bernd > > > > > > -----Original Message----- > > > From: owner-dakota-truck@bent.twistedbits.net > > > [mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Eric > > > Luce > > > Sent: Friday, March 28, 2003 9:38 PM > > > To: dml@dakota-truck.net > > > Subject: DML: roller rockers > > > > > > > > > > > > Hi. I am considering upgrading to the 1.7 roller rockers sometime > > > this summer. I've seen a few posts from others that have already > > > done > > > > > so, and was wondering what kind of feedback they might have > > > concerning > > > > > this upgrade alone. Are these dealer items or aftermarket? If > > > aftermarket, who is a good supplier? Would I also need hardened > > > pushrods and/or other hardened hardware pieces for this upgrade? > > > Comments anyone ??? I'm not looking on > > > going real wild with upgrades beyond this one. Thanks in advance > for > > > any > > > input ! > > > > > > Eric Luce > > > '99 Dak CC, SLT > > > 5.2L, auto, 4X2 > > > K&N FIPK, catback, 180* thermostat > > > > > > > > > > > > > > > > > > > > > >
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