pistons look ok? Pics

[Kalisko]

So i jumped time and got compression of 0 70 110 135 going from cylinder 1 to 4.

I pulled the head and my valves are pretty beat up, and I have a nice head on the way. Besides getting the head, Do you guys think my pistons are ok? I just wanted to get a second opinion to make sure. The cylinder walls look great and the pistons are still very solid.

Besides new gaskets, do you think I should get new headstuds. I'm going to be doing the 2g head and 6bolt block. I heard if you use 6bolt studs you'll be fine. I might just go to maperformance and get the ARP headstuds/gasket combo.


But enough rambling , here are the pics.


Piston 4

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Pistons 3 and 2

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Piston 1

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[crimsondragon]

I've seen worst. Clean up the top of the pistons with degreaser.

 

[Jeff99GS]

The tops look okay to me. But you need to pull them out and check the skirts and ring lands aswell. What's that thing on the #1 piston? Is that a drop of water or a dent?

 

[Kalisko]

all that stuff is oil dripped down onto it from removing the head.

My engine was rebuilt about 5k miles ago. so should I go through with seeing how they look?

 

[fwdmaster]

Pistons look's good, just clean the surface with some carb cleaner

 

[Mr Peepers]

Knock off any burrs, clean them up, and reassemble. I don't think there will be a problem running them.

 

[TimG]

Yea don't bother taking the pistons out. Just file down the burs and reassemble with a fresh head and headgasket.

 

[Kalisko]

Awesome. Now i've been researching on the 2g head / 6bolt block hybrid.

Should I even bother? I' see how much the 2g has smaller ports, but I also heard so many of both stories' sides. I'm asking because I'm about to follow through with a 2g head freshly rebuilt so I'm not 100% sure.

 

[PieEyedPiper]

Awesome. Now i've been researching on the 2g head / 6bolt block hybrid.

Should I even bother? I' see how much the 2g has smaller ports, but I also heard so many of both stories' sides. I'm asking because I'm about to follow through with a 2g head freshly rebuilt so I'm not 100% sure.

If it were me, and I didn't have DSMlink or a chip burned, I would stick to the 2g head to keep the stock CAS and not deal with the inevitable P0300 code.

Just something else to think about besides the famous flow vs velocity argument.

 

[Kalisko]

well I don't have that code since I've driven the car. The shop that did the swap wired up the CAS so I wouldn't have that issue would I?

 

[bane3d]

I was running a 2g head on a 6 bolt until I seized the engine (which had nothing to do with the head on the engine). I had no problems with any CEL coming on and it ran well. I'd say check out karking.com and that's how it is set up. Good luck.

d

 

[Kalisko]

That's a nice site. now would I have to do some reverse modifications to my CAS and anything else to put the 2g head on? If so I might just keep with a 6-bolt head..

After all, my engine was a complete 6-bolt before I pulled the head.

 

[Jeff99GS]

Yeah you would have to re install a 2g Crank sensor on the oil pump front case, and re-install a 2g Cam sensor and wire them in. You might also have to make the 2g head holes 12mm instead of 11mm. Or get the ARP Tapered studs.

If you already have a 1g head I would just keep that.

 

[donniekak]

Yeah you would have to re install a 2g Crank sensor on the oil pump front case, and re-install a 2g Cam sensor and wire them in. You might also have to make the 2g head holes 12mm instead of 11mm. Or get the ARP Tapered studs.

If you already have a 1g head I would just keep that.

I have a 2g head on a six bolt block in my galant. The only modification you have to do is to drill out the bolt holes with a 1/2" drill, so it will fit over the studs. The 2g head has holes tapped so a 1g cas will bolt right up. The 1g water housing also bolts up to it.

 

[Kalisko]

I think I'm just going to get a re manufactured 1g head from slowboy or CI motorsports and get all new gaskets, head studs etc.. when they rebuilt my motor the only thing that I didn't really approve upon was throwing in a "spare head" they had laying around. I'd rather finish up the rebuild with a fresh clean no-history head with everything perfect .

There goes my 800 dollar budget for new wheels/tires oh well

 

[kawboy]

Get a 2g head.. even with 8.3:1 pistons my off boost response is incredible. Altho I cheated a little with the 2g head variation by rocking a EVO3

 

[->PrOjEcTGS<-]

I would take a wire wheel on a drill to the tops of those pistons. It'll shine them up real nice.

 

[erald01]

they seem like 2g pistons, they are suppose to be dark gray color.

 

[Kalisko]

Yeah I'm gonna wheel them up. I just got my degreaser and fluids for the head drop in and all my supplies. Tomorrow I'm gonna be busy so friday night I'm gonna spice her up and make my bay look a little nice and definitely shine up my pistons

my ONLY question is: where in this world do you get the special tension tool that you torque on to set the correct tension.

part number is MD998752 but I've searched for the past hour. Is this a dealer only piece?

 

[->PrOjEcTGS<-]

they seem like 2g pistons, they are suppose to be dark gray color.

Yea, I meant... Do something like this...

Before:

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After:

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[->PrOjEcTGS<-]

Yeah I'm gonna wheel them up. I just got my degreaser and fluids for the head drop in and all my supplies. Tomorrow I'm gonna be busy so friday night I'm gonna spice her up and make my bay look a little nice and definitely shine up my pistons

my ONLY question is: where in this world do you get the special tension tool that you torque on to set the correct tension.

part number is MD998752 but I've searched for the past hour. Is this a dealer only piece?

Jay Racing

Jay Racing Timing Belt Tool, Preload Eccentric Pulley [TBT2] - $20.00 : Jay Racing

 

[Kalisko]

Jay Racing

Jay Racing Timing Belt Tool, Preload Eccentric Pulley [TBT2] - $20.00 : Jay Racing

Thank you. You are a savior! I didn't set tension right the first time , and hence I'm here =P.
It's gonna be a tool I'll keep in the special tools drawer for a lifetime

 

[Kalisko]

Yea, I meant... Do something like this...

Before:

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After:

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You did all that with a wire wheel? It didn't gash into the block/pistons did it? or did you just use it lightly?

 

[->PrOjEcTGS<-]

Yea just use it lightly. It really doesn't take much.

That was all done with a wire wheel that looked like this one:

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[Kalisko]

Sweet deal. I may have some laying around. Wow I don't think I'll want to put the head I get on once I shine it up like that. It's sooooo shinnyyy