arp, seriously?!

[Loyale93]

Originally Posted by the suicidal eggroll

My bad. Didn't read apparently.

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[06TRDude]

I put down 475whp and didnt use arp anything oem headgaskets ftw!

[rushdylan]

Originally Posted by 06TRDude

I put down 475whp and didnt use arp anything oem headgaskets ftw!

u sure? lol

[HinshawWRX]

Originally Posted by rushdylan

u sure? lol

Yes, it's fairly common. The motors don't just fall apart. This is why RESEARCH is key when you buy/build.

[some dude]

Don't expect you built motor last as long as a stock one. Forged pistons are not great for longevity. Apparently it is a common misconception that built motors will last as long/longer than a stock one.

[rushdylan]

Originally Posted by some dude

Don't expect you built motor last as long as a stock one. Forged pistons are not great for longevity. Apparently it is a common misconception that built motors will last as long/longer than a stock one.

would that be because of the bore/hone not using a torque plate?

[HinshawWRX]

Originally Posted by rushdylan

would that be because of the bore/hone not using a torque plate?

Torque plate has nothing to do with anything. Do you have any idea what you are getting into?

On a serious note, they tend "not to last as long" because when the motor is cold, they have room to float around in the cylinder and give you piston slap. As the pistons warm up, they expand and fill the void. Of course this is all dependent on the quality of the engine builder.

[k mier]

Originally Posted by HinshawWRX

Torque plate has nothing to do with anything. Do you have any idea what you are getting into?

On a serious note, they tend "not to last as long" because when the motor is cold, they have room to float around in the cylinder and give you piston slap. As the pistons warm up, they expand and fill the void. Of course this is all dependent on the quality of the engine builder.

You may want to check into this but IIRC, forged pistons generally have less silicone than cast, higher silicone content can lessen wear.

[mod maniac]

Originally Posted by some dude

Don't expect you built motor last as long as a stock one. Forged pistons are not great for longevity. Apparently it is a common misconception that built motors will last as long/longer than a stock one.

I build my motor so I can pump it up to 400 or 500 whp and then wonder why it only lasts 70k. Who knows how long a built motor would last at 170 whp, not me and probably not anyone else who builds one.

[some dude]

True. I just thought I would throw what I said out there. Hopefully the OP's engine lasts a long time and is everything he hoped for.

[Mr Wrex]

Originally Posted by some dude

True. I just thought I would throw what I said out there. Hopefully the OP's engine lasts a long time and is everything he hoped for.

With forged internals that's some pretty wishful thinking

[rushdylan]

Originally Posted by Mr Wrex

With forged internals that's some pretty wishful thinking

ummmm yea. the motor in my dirtbike is a 4 valve 14:1 compression and revs to 13,500. after I ported it, popped in some good cams and ceramic bearings, it didn't last long. cylinders would go out of round pretty quickly and the cams ate valves for lunch! I once built a $2,000 head for it. I had it stage 2 ported and polished, titanium flat faced valves, titanium retainers, super stuff valve springs, copper alloy valve seats with 5 angle cut and copper guides as well, and it was resurfaced and everything. it cost a lot for a little 4 valve head but that thing lasted longer than any other head! my biggest problem with the car will be holding back from pumping tons of boost! but I think I'll be okay.