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intake manifold gasket sets

3100sfi

3100sfi

New member
I have been confronted with two options at the local parts store - Gaskets with or without pushrod guides for my 3100.


I don't want to take it apart before finding out which one I need; though they do have both in stock and the difference in price is negligible. I would just kind of like to have everything ready before even breaking a bolt loose.
 


All the 3100s I've done the pushrods go though the gaskets, not sure what they mean by "guides". Maybe inquire at a dealership(have vin # ready). you could "Price" the set there and just ask if the kit comes with guides. If they say yes, then get the one with guides. although, like I said, all the kits I put on it was just the two large peices that go along the heads, 2 little rubber peices for the vally, and rtv for the corners.
 
Agreed. One of the tortures of the dirtyonehundred is you gotta pull rockers to get the uneven length pushrods out (hopefully you know this in advance and keep track of where they belong) of the gasket.
 
Yeah I've been in a 3100 before but don't remember a thing about the gaskets. I know if the order of the pushrods gets mixed up, it won't live too long.
 


I just loosened the rockers and kept the pushrods in place so i wouldn't put them in the wrong spot.
 
that rocker tool saves you a ton of time and hassel with torquing the rockers back down.well worth the money.see my other posts about the intakes on these.
 
Help me out on the tool...it sneaks the pushrod past the rocker w/o loosening the rocker? Hows that work as som rods have more pressure from holding the valves open etc based on where the engine stopped.
 
BillBoost37 said:
Help me out on the tool...it sneaks the pushrod past the rocker w/o loosening the rocker? Hows that work as som rods have more pressure from holding the valves open etc based on where the engine stopped.
Click to expand...

I'm not sure about the engineering/physics behind it, but all it really does is pry against the rocker arm enough to leave space to slide each push rod out (yes without loosening the rocker). For rods with more pressure, just pull harder I guess haha, Ive never had an issue with it. With that tool, you can get all the push rods out literally within a minute or two. Going back in is just as easy, but sometimes you have to fight with the push rod a little for it to seat. Regardless, saves sooooo much time compared to loosening up each individual rocker arm.

Then again, if you just stick with the 3800 motor, you don't have to worry about that step.
 


I have tore down a 3100 three times to replace LIM gaskets among other parts and the ones that were on mine had pushrod guides. For the record the "tool" mentioned above is a breeze to use. Biggest advantage is that you don't have to loosen the rockers, which can sometimes lead to a rocker bolt being stripped in head!
 
Not very tight at all! I actually had replaced the head already, so I used the old one to practice on because someone had told me to be carefull not to strip them out (and of course, I wanted to see if they were correct). I did not think it would be so close to the torque measurement, but one did actually strip out before the torque wrench even clicked off and one just after the click off. After that I was very aware of tightening them down on the engine!
 
Oh i see. I torque them down to 25 ft# and i haven't had a problem yet but there is always that one that just pisses you off and strips out lol
 
im going to give you some heads up do not torque the intake bolts near 16lbs autozone said to and it crack my upper and lower intake pieces and had to but the upper part and it cracked again but luckely its still running good,but just be careful and the ones at autozone the felpros are good and i bought a torque wrench and rtv and the gaskets and i used a pair of pliers to pull the rockers down and somebody pulled the rod out while i held it,good luck and be careful
 


BillBoost37 said:
Agreed. One of the tortures of the dirtyonehundred is you gotta pull rockers to get the uneven length pushrods out (hopefully you know this in advance and keep track of where they belong) of the gasket.
Click to expand...


THIS IS IMPORTANT... I helped a buddy do his head gaskets on his 96 Grand Am GT with the 3.1 a few years ago... I told him to KEEP TRACK OF THE LOCATION of each push rod.. He did not because he thought I was being over cautious. He put it back together and sure enough he ripped a rocker stud outta the head... I LOL'd at him and told him he should have listened.
 
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