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142s Engine Timing


NZRED850R

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Hi I just had a go at getting my 142 going and seems the timing is out ???

It is a b18 block with a b20 injected head on it, It runs but back fires through the carbs

the green book say to put the distributor in the hole and turn the shaft a little and will slip in then start the car and if it doesn't turn the distributor untill it does the put on the timing light and set ???

Is there some where i can get static timing info and distributor placement

thanks

Bruce

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Have you hit it with a timing light as it is? You should get a decent one with a dial indicator so you can tell where the timing is.

Not sure if your 142 is that same as the 242 or not, but you have to pull the vac line off the vac advance pod on the distributor. And then you can check the base timing. It should be in the green books, I think.

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  • 2 months later...

You need to ensure the off set key is lined up correctly with the oil pump drive shaft. This alignment is imperative to setting up the timing correctly.

The old Climer manual is the best book to use to get this accomplished. Also insure the timing marks on the crank and camshaft are aligned up and all should be ok.

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  • 1 month later...

It doesn't hurt to make certain the distributor isn't off 180 degrees, as it will also drop in at that point as well. Check to see if the rotor is pointing to number one when you're at TDC. Once that's established, timing should be set around 10 to 15 degrees before TDC, if I remember correctly.

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I think you're barking up the wrong tree, honestly. If it runs, when does it backfire through carb? Under load?

What kind of carb do you have?

Check for vacuum leaks as well.

If it runs then you should be close enough to time it with a timing light. If not, then we're looking at another issue.

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