CommodoresPlus

Usually those symptoms points towards the IAC (Idle Air Control) Throttle Body Sensor not performing as it should. Take the Throttle body off & give it a good clean & renew the IAC & TPS whilst your at it, as the TPS (Throttle Position Sensor) has a large influence on general auto shifting.

Update!

I sold the 3.45 LSD rear hub to hub & have a total rear hub to hub rebuild completed 2 weeks ago inclusive of 28 spline hardened axles, new rear wheel bearings & seals all round, plus lapped to perfection. I decided on New Dana Spicer 3.9 Ratio Crown & Pinion Gear Set over the 3.73’s I was initially going to get, plus of course the New…[Read more]

For increased compression on your S1 3800 (without having to change the pistons), you could have the heads shaved 25 thou & whilst doing so have them bowl ported & replace the valves, springs & retainers. New lifters plus higher ratio roller rockers at only 1.7:1, plus correct length push rods to suit will be a good start without compromising c…[Read more]

Thanks Mate,

I really appreciate your feedback, will have a look through my notes from the 3800 build when I can, to give you an idea – are you keeping the motor N/A or applying F.I. on top & if so, what type – Turbo or Centrifugal? Plus it’s a holistic application with the driveline, intake & exhaust to gain maximum performance as you…[Read more]

Cool, I do have a photobucket account but as I’m at work right now I can’t be uploading photos etc here Irony is I’m a Graphic Designer.

Thanks Mate, I’ve seen your VR Build & it’s off tap!

I will get my head round this site after work & upload some more pics & info very soon.