Lots of daft questions ....

[UK CHRYSLER 300C]

Originally Posted by Greenheugh

UK CHRYSLER 300C
This Predator - how much fun is it? I wondered if I should consider one.

Greenheugh

How much fun is it,put one hand behind your back the other outstretched as far as you can,thats how much fun it is.Its available from the states at about $400,reprogrammes the engine,reprogrammes the tranny,makes the shifts harder,you can alter the rev limiter,alter the speed limiter,too much to mention here but you can factory reset the ECU so when it goes back to stealerships know one knows.go to DiabloSport :: Gas and Diesel Tuning Systems and have a looksee

[badger]

Ray, if I have one minor gripe about my 300 it's the gearbox. I choose to drive the car in a sedate but quick manner and I find that if I want to overtake and drop a gear the computer always gets its nickers in a twist and drops too many gears too quickly, pushing me up towards 4500-5000rpm. If I demanded full throttle I could understand this, but it seems to be all or nothing even when increasing the throttle pedal position gently. I can feel the smooth change in power output but there is a point where the gearbox ecu says "ok, go for it!" and drops too many gears. Would the predator help with this?

[UK CHRYSLER 300C]

Originally Posted by badger

Ray, if I have one minor gripe about my 300 it's the gearbox. I choose to drive the car in a sedate but quick manner and I find that if I want to overtake and drop a gear the computer always gets its nickers in a twist and drops too many gears too quickly, pushing me up towards 4500-5000rpm. If I demanded full throttle I could understand this, but it seems to be all or nothing even when increasing the throttle pedal position gently. I can feel the smooth change in power output but there is a point where the gearbox ecu says "ok, go for it!" and drops too many gears. Would the predator help with this?

not a chance Badger.lol.It makes it worse,read better in my case.
I have had my "C" for nearly 3 years now and I have learnt to use the "manual" mode if I want to short shift or stay in a particular gear etc.,I find even with the predator if I (bikers term,being a biker too) roll on the throttle instead of sort of burying it, makes the tranny change smoother but even doing that,depending on your revs/speed etc it catches me out.
My wife doesnt like being in the "C"(she does really,she doesnt like the power delivery) as she calls it the roller coaster ride from hell.(wimp),e.g.yesterday taking my son to Brum Hospital,we entered the mway slip road doing about 50mph,I barely touched the throttle and "BAM" she was off on one(and the car),seems to me you need to drive the car in granny mode for a week and dont pull fuse 11 then drive it normally,it shouldnt be so responsive after a week or so after the ECU recognises the way its been driven.Downside to that is,if Mr Audi/BMW/Merc wants to try it on you will lose,pull the fuse and you will win,it all depends on what you really want,the predator will not give you that,its a performance reprogrammer

[badger]

Hmm.. all I want is to be able to roll on the throttle and have it drop from, say, 5th to 4th or 3rd as I feed it in - not straight to 2nd as it does just now.
I find that even when in manual mode the gearbox still overrides me and drops down below the gear I have selected as I feed in the throttle.
I did the throttle pot cal procedure but that made absolutely no difference.

On the other hand, I suppose the predator would firm up the shifts a bit which would certainly be welcome, and I take it the change points would remain the same under part throttle granny-mode driving? Also, a bit more ignition advance would certainly help seeing as it's running on roughly 110 octane LPG....? The extra advance at part throttle cruise would probably help the economy when sitting at a steady 60-ish as well.

[UK CHRYSLER 300C]

with the predator you an programme the tranny to stay in the chosen gear when in "manual"but you have to remember to change up manually,or down if thats the case.I can feed my throttle in so it only changes down 1 gear,unless there is something wrong with your tranny programming or could it be your LPG conversion playin tricks with the ECU??just a thought(I've never messed with LPG,so what do I know)