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Engine - General, Exhaust & Induction Topics about the general engine items, exhaust system discussed here & Improving the intake tract - air filter to intake valve.

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Old 10-27-2005, 02:38 PM   #1
Question cam timing???  
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bobjoe is keeping the peace
hey
is there anyway to tell if the cam timing is set right or not? if i remember correctly i think the 1988 2.2l t2 was supposed to have the cam retarted 14 degrees? *thinks* i dont know for sure, but ever since i had the cars head gasket redone shes just not the same, i have a few things i have to figure out, like how to do vacuum lines
just out of interst when i look at the vacuum diagram under the hood there is a line that runs from the air box to the pcv valve, there is a check valve in the line and an orife (sory i dont know how to spell that) but i dont have either one in my car, its just a straight line in, are your cars without it too or no? also when u have the car parkd and u listening under the hood and you rev up the motor a fair bit and instantly drop off do u get a vacuum leak sound as the rpms jump up?
sorry for being a bother
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Old 10-27-2005, 03:17 PM   #2
 
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For cam timing alignment = http://www.thedodgegarage.com/timing_belt.html

As for the vacuum lines, the pcv vent hose that go's to the air box from the pcv has no check valve or orifice in-line. Those vacuum diagrams can be tricky to figure out sometimes . The vacuum line that comes from the TB & go's to the vapor canister has a T that go's to the larger vacuum line that go's from the pcv to the intake manifold. Between those 2 T's, there's an orifice & a check valve.

Vacuum diagram = http://www.thedodgegarage.com/turbo/turbo288.jpg
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Old 10-27-2005, 03:21 PM   #3
 
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No bother...

I would set the cam timing the way it's supposed to be as long as it's a factory TII http://www.minimopar.net/enginetiming.html

I'd also hit up your local junkyard for those PCV line parts unless you want to go to the catch-can style mod.

It's hard to say on that sound, but I'd go through your vacuum system to make sure there's no leaks. My timing belt tensioner pulley makes a bit of a hissing noise, but it's old and really needs to be replaced (I probably have a vacuum leak too)..

Hope it helps...
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Old 10-27-2005, 03:41 PM   #4
 
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Oops!

How come I can't delete this post?

Last edited by crazy1eye; 10-27-2005 at 03:43 PM.. Reason: oops
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Old 10-28-2005, 05:29 PM   #5
 
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hey
what is a catch can style thing you are talkin about?
i was just wondering about the timing because everytime i pin it it sounds like its hitting harder that what it used to, its weird but like the esplosion is trying harder to get sumthing done with less results or sumthing, lame as i sound and confused.
i dont know i just want ot get those leaks fixed and a few things so its winter safe and ready.
thanx
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Old 10-28-2005, 05:49 PM   #6
 
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Unless you (or somebody) changed the cam pulley type, you should set cam timing to factory spec. If there's a chance the pulley cam combination is not correct (round or square tooth pulley with a cam that came with the opposite type of pulley) - you should only be about 4* off either direction (depending on what you have).

For the PCV/catch can - do a search for pcv catch can - you'll get plenty of results to read over (I don't believe there is a FAQ for this). This is most useful if you have eliminated the stock airbox for a cone filter or other...

Hope it helps
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Old 10-29-2005, 05:37 PM   #7
 
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hey
i drove a friend home from work the other night and it was running like its usual self, not bad but i know she should do far better. i dropped off my friend and was heading back and pinned it, the car hasnt run that nice for close to, if not more, than a year. it was soo awsum i had to take a deturn just so i could pin it a couple more times. i was listening to music the first time that i pinned it and i heard the turbo over the radio, just screeming, usually its quiet enough that u have to turn the radio off and open a window to even hear it. not this time tho. *giant grin* also usually it takes a few good seconds for the boost to biuld up on the boost gauge (i dont think its reading right most of the time) but sheesh talk about awsum results, instant and i mean instant boost, as long as the rpms were over 3k then no problemo. so really excited, it hasnt done this since b4 it blew the head gasket, or i owned it. any idea why it only did this once, i took it for a drive and it wouldnt pull the same, just its usual slaker self. i drove the car for about 15 min b4 it started to really run nice, but it started out a slaker and seemed to change its mind part way thro the drive home. very confussing to me, but i really enjoyd that last few minutes of my drive anyways
thanx for any ideas
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