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FRESH ENGINE; Fuel & Spark but NO START

Old May 7, 2015 | 06:26 PM
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Originally Posted by Tom Stout
Big no no. Always prime the oil pump. Zero compression would mean no rings or no valves. Lol. Even with bent valves you'd get some compression. Do a leak down test. Better yet. Take a video of the car cranking over.
I didn't because of reading a post that Buschur made in highboostforum about breaking in an engine. He said it wasn't needed, and I went with his decision.

Anyways, I'll work on getting a video. My roommate is working on a finals project currently so it might be a minute unless I can find somewhere to set the phone in the garage.
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Old May 7, 2015 | 06:44 PM
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Originally Posted by kikiturbo
put stock plugs in. Those densos foul too easily.. I have had a similar problem when a car wouldnt start immedeately and then we couldnt start it at all... change to stock plugs cured that...
After I figure out this compression issue, and it still doesn't want to start then I'll look into this issue. I appreciate the advice though man!


Originally Posted by wreckleford
injectors seized? Squirt a little carb cleaner into the intake manifold through a vacuum line and then try starting.
I don't think I'm having an injector issue after finding out I have no compression in any of the cylinders. If it doesn't want to fire after figuring out the compression problem, I'll definitely look into it.
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Old May 7, 2015 | 06:46 PM
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No compression at all would normally be a timing issue. But it would need to be seriously whacked LOL.
Hm....
You're sure the gauge is good? Another member here had bad compression due to a faulty gauge/misuse/etc.
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Old May 7, 2015 | 07:15 PM
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I'll be grabbing another gauge tomorrow if one of my friend's can't drop his off just to make sure, and confirm no compression. My timing looks spot on from the pics, no?
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Old May 7, 2015 | 09:05 PM
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I don't have a clue what else it could be. Recheck compression, if still zero, pop the valve cover and have a look. Does it crank like normal? starter goes chirp chirp chirp? As opposed to sound like a lambo, which just goes zzzzzzzzeeeeeeeeeeee?
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Old May 7, 2015 | 09:14 PM
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Originally Posted by letsgetthisdone
I don't have a clue what else it could be. Recheck compression, if still zero, pop the valve cover and have a look. Does it crank like normal? starter goes chirp chirp chirp? As opposed to sound like a lambo, which just goes zzzzzzzzeeeeeeeeeeee?

I'll recheck compression in the morning, I already popped the valve cover off like 3 times in the last two days. Some lifters are able to be pressed down by hand and others are solid but I'm pretty sure that's because of the position of the cams (kelford 272's)

*Also I have a kiggly HLA but that shouldnt affect the amount of oil the lifters get just everything else, correct?
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Old May 7, 2015 | 09:27 PM
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The lifters will rattle like crazy until they fill up. That's not your issue, though. The springs keep the valves closed.
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Old May 7, 2015 | 09:42 PM
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Did you install new valves? Happen to install intake in exhaust and vice versa? Stupid question. But it has happened...
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Old May 7, 2015 | 09:56 PM
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Maybe it has something to do with my cam gears and my timing causing my valves to be open just enough but I'm 1/2 tooth advanced perfectly I think except that's just a ballpark. Maybe I should try to align my cam gears on the timing mark and see if that changes anything.
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Old May 7, 2015 | 10:07 PM
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Originally Posted by Tom Stout
Did you install new valves? Happen to install intake in exhaust and vice versa? Stupid question. But it has happened...
I just cleaned up my OEM valves, but I'm going to check and see if I have a pic of the valves installed.

Almost certain I put the exhaust valves in the back and intake valve in the front

Last edited by EvolutionIXMR06; May 7, 2015 at 11:08 PM.
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Old May 7, 2015 | 11:22 PM
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Originally Posted by EvolutionIXMR06
Compression test- 0 across the board and no change when oil was added. Might have a valve train related issue.

I thought I bled the s**t out of my lifters but maybe I was wrong.
get a vacuum gauge that is used for measuring valve seat seal. Take the manifolds off, turn the engine so that a set of valves is "off the cam" and then measure valve seat seal for that set of valves... this will give you the answer on the state of valves..
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Old May 8, 2015 | 09:16 AM
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if the valves are too long they will never close. we had that happen on a 406 we built. the heads were machined but the machine shop forgot to trim the valve stems on a cylinder, so the car wouldn't run.

just tossing that out there to support that theory of it being valves. very possible.
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Old May 8, 2015 | 10:23 AM
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Originally Posted by kikiturbo
get a vacuum gauge that is used for measuring valve seat seal. Take the manifolds off, turn the engine so that a set of valves is "off the cam" and then measure valve seat seal for that set of valves... this will give you the answer on the state of valves..

Is this the same thing as a leak down test?
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Old May 8, 2015 | 10:26 AM
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Originally Posted by kaj
if the valves are too long they will never close. we had that happen on a 406 we built. the heads were machined but the machine shop forgot to trim the valve stems on a cylinder, so the car wouldn't run.

just tossing that out there to support that theory of it being valves. very possible.
There wasn't any machine work on the head and I used my oem valves.
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Old May 8, 2015 | 10:44 AM
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a leakdown test will also let you know if the valves aren't sealing
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