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Blown ring: stroke or new shortblock?

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Old May 22, 2010 | 09:40 PM
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Default Blown ring: stroke or new shortblock?

So my low oil light came on the other day, when i went to check it there was exhaust coming from the breather/dipstick tube. Looks like its time for a change.

Right now ive got afr 205s, a fast 90/90, and an azps01 cam (236/236 i think).. What im wondering is, does it make more sense to pull the block, and stroke it (im thinking forged 383) or should i sell the mods and get a longblock (gen4?)

I have to wait until monday to get pricing on machining the block, but it still runs fine, so im assuming scarring will be minimal.

My mechanic says lq9 cause its cheap and will have a bit of displacement on stock, but i dont know how much ill like the added weight, but my friend planted the seed of that 383, and there are some ridiculous sales on longblocks if i wanted to swap to a gen4.

any advice?
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Old May 22, 2010 | 10:18 PM
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I have the LQ4, I'm swapping the pistons to flat tops to boost compression. Its about 70lbs heavier but more displacement. You can stroke it to 408 and make some sick power. IMO its cheaper, stronger and has a lot more potiential over the LS1 block.
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Old May 22, 2010 | 10:21 PM
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how noticeable is that 70lbs though? a lot of the money in this car is in the suspension, and i dont ever 1/4 the car (i dont want it to be a bitch to turn..fast)

one thing a lot of people say is the potential.. do you mean top end power potential due to the strength of the block? because i dont think just a heads/cam/stroker would come close, aluminum or iron... right?
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Old May 23, 2010 | 01:26 AM
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Is your motor using alot of oil? Does the dipstick get pushed out after a WOT run? I'd do a compression/leakdown test
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Old May 23, 2010 | 01:32 PM
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its had oil consumption problems for a while, thats why I was checking in the first place and saw the exhaust.

since noticing i havent driven it (much less WOT). Ive worked on FI cars that had enough crankcase pressure that they shot them out, but i think its safe to say you're on the right track. I havent done a leakdown yet because all signs point to the same thing: rings

I will however do one before actually doing either swap
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