Pistons/rods for stock turbo

[freethriftyz]

Hey guys,

Did some searching and I found that Wiseco 1400HD pistons seem very tough as far as pistons go, and didn't carry a ridiculous price tag.

My question is, being that I don't know jack about internals, is it okay to put forged pistons on 4B11 that I have no intention of ever putting a bigger turbo on or doing a stroker kit with?

I did a WOT run earlier and got my fast SES tephra-light...it's cold I know, probably phantom knock from my loud setup I know, maybe overboosted from sudden temp change...but I'm just so in love with this machine as it is that I want to try and make it last for ever. Building the block seems like the most logical thing to do...

So do people put rods and pistons on otherwise stock blocks? I'm guessing I'd need a retune? I just want my car to have the same bolt-ons and tune as now, but have no fear of detonation and an eventual VTA engine block. Stuff that can handle the demands of a car that has bolt-ons only and tuned to 27psi. Would there be anything else I could do?

I was thinking an intercooler to lower temp charges...but besides doing a retune or the IC, I see a built motor as the only option. I'm not looking for more power, just want stock engine/turbo with my current setup to last...well...forever.

So is this just something people don't do, or is it a realistic, good idea- money not being an issue. Open to any idea's/recommendations on how to make my block as bulletproof as the presidents limo.

Thanks!

[pistolpete69916]

I say you keep the motor completely stock if youre dedicated to keeping stock turbo

Im at 350whp for 50k miles at 340whp with zero issues. Plenty of room too.

[freethriftyz]

Do you ever see ses-light knock flashes though? They are rare, but they are there for me. And any is too much. Even if it's phantom, I really want the peace of mind to know it ain't gonna blow.

So stock internals are the best? I thought the 4B11's were kinda weak. Probably heard wrong though.

Maybe another retune with lower boost. It's been between 27-31psi since the second week I've had it lol. Currently at 27 with beautiful afr's...but I want that security...

[freethriftyz]

I've read over 400 lbs/tq on a dynojet, and almost 300 on the heartbreaker mustang dyno at Kozmic...

I was thinking instead of building the block, to maybe ditch the stock downpipe in order to reduce any potential cylinder pressure? Aftermarket manifold too...

Or cams? That seems like too much money though...

[anasyakoub]

stock turbo = stock block , and it will last for long time
bigger turbo = how much big ? if you are going more the 400 lbs/tq you need to build the engine ,
for the cams you do not need it on stock turbo

so if you want to build, build it one time with bigger turbo, cams and internals
or keep it stock and enjoy your ~360 whp car

[mac11wildcat]

lots of people have built internals without a sleeved block. hell, UT is making 600 without sleeves. Has anyone done it to not make more power? Dont know. Forged internals are nothing but a good idea. Do you need them? Probably not. Are they better suited for the stresses our engines see and will give you piece of mind? Yes.

Moral of the story, our internals are the weak link, not the block or anything else.

[thewraith]

Why not save the up front cost of fixing something that isn't "broke"? If it does break, then you can go all out on it and it's not the second time you've paid for it. And excuse my saying so if I'm wrong- but looking at other threads, built engines on this platform don't last too long...

Built thread for reference: http://www.evoxforums.com/forums/showthread.php?t=56293

I do realize that what you want may not be considered a "built" motor.

[mac11wildcat]

Originally Posted by thewraith

Why not save the up front cost of fixing something that isn't "broke"? If it does break, then you can go all out on it and it's not the second time you've paid for it. And excuse my saying so if I'm wrong- but looking at other threads, built engines on this platform don't last too long...

With the power OP is talking about a piston or rod company would have a law suit on their hands if they broke. Forged internals are the primary reason our block has a torque restriction. I dont think ive heard of the actual physical block failing on its own; its always hit by a piston or rod.

Blocks dont last long because people push them too far. a forged internal built engine should last nearly forever within its power envelope and when assembled correctly.

[EvoXNate]

This logic is certainly better than throwing everything you got at the stock block until it explodes.

[mac11wildcat]

Originally Posted by EvoXNate

This logic is certainly better than throwing everything you got at the stock block until it explodes.