Hawk 250 intakes on the exhaust stroke and vise versa

[Maillmanmurry]

I recently got a cheap big bore kit and finally got around to putting it in. When I got it all put together it felt like it had no compression. Took the valve cover off and the valves seem to be acting irraticaly, and when I put my hand over the exhaust it sucks on my hand, and when I put my hand over the throttle body it blows air... I'm so lost, can someone help?

[Bill Hilly]

Did you put a cam in when you had it apart?
If you did, then valve timing would be the suspect culprit. If not the only thing I can think of is that something is wrong with the way you have the followers installed. I don't think the jug would seat if the followers weren't spread out over the cam though. Did you actually feel the pushrods go in their sockets/cup? Are you sure both valve are completely closing?

[Maillmanmurry]

No I didn't. I only had as far as the jug taken apart. I'm pretty sure the pushrods are in the right spot. I kinda wiggled then around in the hole until they kinda pushed down snuggly and I couldn't wiggle them anymore. The valves were closing fully with the head off, I didn't check with it on.

[red2003]

You DID re-adjust the valves when you reassembled it, right?

[Maillmanmurry]

Ummmmm... Would you laugh if I said no?

[red2003]

Originally Posted by Maillmanmurry

Ummmmm... Would you laugh if I said no?

I won't laugh. But that explains your symptoms. Both valves are too tight and bleeding compression into each other.

[bigdano711]

I was thinking he's 180* out. Err...he was on the intake stroke when he had it at top dead center and not on the exhaust stroke. I did this once with my Honda Accord when I changed the water pump/timing chain (related job). When I fired it up it sounded and ran like crap. I finally realized my mistake, corrected it, she ran fine.