Thread: 1998 D1 V8 Erratic idle fixed. Hoo bloodyray

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Driving home in the heat on FRiday night , it just stalled while on gas.

Back to the drawing board.

Mate - I chased the same problems for ages - rotor buttons, caps, HEI module, coil, even the pick up coil! Still intermittment probs. Solved by a Scorcher coil by Performance Ignitions. It is basically a holden V8 base with Ford rotor button and cap and AUSTRALIAN Bosch HEI Module. All stumbling idle and all LPG gas misfire/backfire gone. The difference in spark was amazing. The Australian HEI systems have a lot more grunt than the Brit stuff from what I have seen. I believe that there was a little play in the Lucas Dizzy - wear perhaps - which would not have helped.

Cheers

Thanks Scott

So can I ask

1. You changed out the coil to a Scorcher coil by Performance Ignitions? That would mean I now have 2 spare coils


2. I am not sure what you mean by ' [I]It is basically a holden V8 base with Ford rotor button and cap and AUSTRALIAN Bosch HEI Module' Did you also change out the distributor and the remote Ignition module ? The 1998 's already had the IM mounted remote. We also just replaced the IM. The auto elect fitted what he thought was the Bosch equivalent but we couldn't get any spark ?

Pete

Originally Posted by land864

Thanks Scott

So can I ask

1. You changed out the coil to a Scorcher coil by Performance Ignitions? That would mean I now have 2 spare coils


2. I am not sure what you mean by ' [I]It is basically a holden V8 base with Ford rotor button and cap and AUSTRALIAN Bosch HEI Module' Did you also change out the distributor and the remote Ignition module ? The 1998 's already had the IM mounted remote. We also just replaced the IM. The auto elect fitted what he thought was the Bosch equivalent but we couldn't get any spark ?

Pete

He means replacing the distributor but brace yourself for the cost, you dont need to replace it to get a good working ignition.
Are you sure your problems are attributed to the ignition, it would effect both gas and petrol running if that was the case.

Originally Posted by land864

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Driving home in the heat on FRiday night , it just stalled while on gas.

Back to the drawing board.

If your gas stalled you could have any or all of a number of problems.

1. Too low a coolant flow rate will allow the converter chill down after a hard run. Usually it goes rich as you back off the throttle and heat once again evaporates excess liquid LPG inside the converter. If you charge up a hill, pull over suddenly after stalling, open the bonnet and see how hot the converter is. Dewdrops forming on it is a bad sign...

2. Your converter could either dirty inside or just slightly out of adjustment. Find the idle mixture adjustment on your system and turn it a little each way and see how much it needs to get smooth idle again. Some systems are quite unstable and require frequent resetting of the idle mixture.

3. The engine's base idle may be too low to cope with slight mixture problems, and the stepper can't catch it in time. Use a 3/16" allen key to bump up the base idle a bit, the key fits in a recess on top of the throttle body near the air intake hose.

If you had ignition problems stalling would be just one symptom of many poor running issues. Scorcher distributors are nice but unnecessary in my opinion. I've had quite adequate results with the Bosch module conversion on the stock distributor.

The scorcher was necessary on mine because a new remote mounted Bosxh hei didn't fix it nor did new pick up coil, cap, button , coil all at the same time! Cheers

I prefer Bic 290 oil cylinder shaped coils with Bosch HEI. Cheers

Originally Posted by ozscott

The scorcher was necessary on mine because a new remote mounted Bosxh hei didn't fix it nor did new pick up coil, cap, button , coil all at the same time! Cheers

I love the scorcher products and my dad knows them , he had them build one for his then new 84 rrc and i still have the dizzy.

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