Actually, it was a certain Steiger pond...
Christopher Orr wrote:
>
> Christine's just never been right since she played in the Steiger mud huh?
>
>
> Terrible Tom wrote:
>
>>
>> I almost feel as if this is some bizzare physcological experiment,
>> with one dude dropping acid, and having everyone else take notes and
>> give feedback on the guys actions and behavior while tripping out...
>> as in I try something new with the truck and then ask for everyone to
>> give me feedback LOL...
>>
>>
>> ok moving on... for those who may not know what I'm trying to do... I
>> have a large collection of various parts in the general shape of a
>> 1989 Dodge Dakota. I'm attempting to run a 1999, 318 V8 off a hybrid
>> V6/V8 premagnum fuel injected throttle body set up. Running the 1989
>> V6 wire harness with the throttle body unit and SMEC unit from a 1988
>> Ram 318 V8.
>>
>> here is where I am at with the truck. I reached a few road blocks.
>> First, the truck did not shift into overdrive at all. I was able to
>> get it to do it manually with a toggle switch supplying ground to the
>> solenoid pack in the tranny.
>>
>> 2nd... The engine, mostly cold, while under load in 1st gear - would
>> bog down. Example. - At a red light step on it to get moving and it
>> would hesitate - let up and feather the throttle and it would go. At
>> higher speeds, stomp on it - a slight hesitation and then it would
>> take off real nice. (read fast)
>>
>>
>> I just switched over the SMEC from the 88 Ram back to the V6 89 unit
>> and reconnected the transmission wires and disconnected the bypass
>> toggles. Here's what changed:
>>
>> Idle speed dropped
>>
>> Dash TACH started working again
>>
>> engine would die at RPM speed about 3000
>>
>> Overdrive and torque converter lock up both engaged, but not when it
>> should have.
>>
>>
>> I think its safe to say my transmission shifting issues are related to
>> the SMEC from the 88 Ram. I did not look at the donor truck close
>> when I saw it unfortunatly. However I now suspect that it must have
>> been the SMEC from a 3 speed non-overdrive Ram. The SMEC has all 60
>> pins on the harness - I'm guessing it just lacks the programming.
>> Anyone know if thats the case?
>>
>> As for the rest of the changes... I'm a little confused.
>>
>> When Christine went in the drink... I had to swap out the intrument
>> cluster. I forgot who I bought it from here on the list? The tach
>> didn't work right. The RPM would jump WAY higher than the engine
>> actually was running (back when it was a V6).
>>
>> As it is now - when the engine started cutting out at 3000 RPM, (I
>> wired up a cheap aftermarket tach and stuck it on the A-pillar) the
>> dashboard shows the engine speed at 6000 RPM. So the cluster is
>> reading twice the actual speed.
>>
>> I initially attributed that to the fact the cluster was out of a Gen
>> II - and there must have been something different about the Gen I
>> cluster. My question is this... could the SMEC actually think the
>> engine is moving that fast? And the cluster isnt reading wrong? Would
>> there be a rev-limiter cutting in when the engine thinks its going
>> twice the speed its really going? I know that wouldn't effect the
>> injector pulses, because those, like the spark plugs, are timed off
>> the distributor pick up.
>>
>> Also - why would the stock dash tach not work at all with the 88 Ram
>> SMEC?
>>
>> The hesitation under lower engine speeds also seemed to not be there
>> when I was using the V6 SMEC. Engine also felt like it had less power
>> however.
>>
>> I also noted the over drive would not engage until I lowered the
>> engine RPM. It would engage about 2000 RPM, about 45~ MPH. If it was
>> any higher, no engage. Which also makes me think the SMEC thinks the
>> engine speed is faster than it really is - because OD will disengage
>> and not engage again if the engine is under acceleration and at or
>> above certain percentage of throttle.
>>
>> Keep in mind -- the Gen II cluster was reading RPM incorrectly back
>> before I started this frankenstein project.
>>
>>
>> I'm really starting to wonder if I should just scrap this project and
>> start over. I really wish I had some more spohisticated diagnostic
>> tools. However I can't justify - (read afford) to dump a grand+ on
>> some high tech scan tool. If I can't make this work, I can either
>> strip down the 1995 Dakota and convert Christine over to a full Magnum
>> MPFI set up. But thats going to involve a LOT more work. Fuel tanks,
>> intake manifold, all the wires... ugh...
>>
>> Or........ scrap the gasser all together...
>>
>> A 3.9L Cummins 4 banger with a 47RH...
>>
>>
>> mmmm diesel...
>>
>> As always - I welcome, beg, plead, bribe, any and all feedback The
>> List can give me.
>>
>> As for the suspension... well... I'm trying to get it running right
>> before I tackle that.
>>
>
>
This archive was generated by hypermail 2b29 : Sat Sep 01 2007 - 00:05:36 EDT