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Trouble starting fresh engine rebuild

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turbodave231

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Joined
May 24, 2001
Messages
2,287
I beat my head against the wall trying to start this engine. It is a stock build with a mild cam. I finished it up many months ago.

Had spark
Had fuel pressure
Had injector pulse
Rechecked cam sensor timing. Good

Ran a compression check and found compression very low on all cylinders. WTF?????

THEN I remembered that it SAT with just the upper plenum bolted on the manifold. I didn't want any debris in my new build.

I grabbed my camera scope and looked down the throttle body.......And guess what I found.

183b03e92c4cd457f5cb3746909cc214.jpg


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That's what happens when you can't remember anything !

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I installed a plenum gasket and problem solved!

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Need to add a branch to the GM flow tree that verifies air


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I was watching grams/min on my Tech1 and it didn't change when cranking.....I found out why.....I laughed my ars off!

Though you all might enjoy the story.

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This is funny. I've done dumb stuff like this before.

No trees were harmed in the sending of this message, however, a significant number of electrons were terribly inconvenienced.
 
Funny glad to see it was something small that was just overlooked and nothing major good stuff looks like something I'd do

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