ls1 aluminum block options
ls1 aluminum block options Ok did some reading and some searching didnt really find the answer i wanted so. I have a 98 TA what can i do with the factory block as far as boring and stroking. Would a 4.000 stroke with a 6.125 rod give me a 383? Could i just bore it and make a forged 0.30 over LS1?
Yes, you can buy a 383 rotating assembly with 4.00" stroke crank & 6.125 rods to make a 383. You'll need the block bored/honed to a 3.905 most likely. Thats about the max bore I'd ever suggest to someone on a stock block.
Or save the money of the 4.00" stroker crank & build a 347 reusing the stock crank. Thats what I'm doin. What are your end goals, you stayin N/A, nitrous or boost?
Or save the money of the 4.00" stroker crank & build a 347 reusing the stock crank. Thats what I'm doin. What are your end goals, you stayin N/A, nitrous or boost?
I would be good with a forged 347 with a little gas maybe. As far as goals well i would like to keep it streetable and dont want to spend mega tons of money on it. Thinkin of sellin my 99 s10 with a sbc and putting the money in the TA. It has 130000 miles on it i wonder if the cly. would even clean up at .010?
Should, I opened mine up for my H/C swap with 103k on it & still had the stock crosshatchings in the cylinders. These motors are a different animal than the old school 350's.
With a 347 you only need a slight bore/hone. Stock bore is 3.898, since you'll want a clean up hone you'll either want a 3.903 or 3.905 piston. Run your stock crank with a set of ARP main studs & have the block align honed while having the cylinders taken care of too. Stock cranks are pretty damn stout and will be re-used in a 347 build.
I suggest either Diamond or Weisco for pistons & to save some cash but still get a good rod grab a set of Scat rods from TSP. On your pistons since your not wanting anything radical I'd suggest -4 Diamonds topped off with some 243 heads & stock MLS head gaskets.
With a 347 you only need a slight bore/hone. Stock bore is 3.898, since you'll want a clean up hone you'll either want a 3.903 or 3.905 piston. Run your stock crank with a set of ARP main studs & have the block align honed while having the cylinders taken care of too. Stock cranks are pretty damn stout and will be re-used in a 347 build.
I suggest either Diamond or Weisco for pistons & to save some cash but still get a good rod grab a set of Scat rods from TSP. On your pistons since your not wanting anything radical I'd suggest -4 Diamonds topped off with some 243 heads & stock MLS head gaskets.
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This guy is right, I've seen a 110k ls1 that was beat on with all kinds of track abuse, ms4 cam, 150 shot. Spun a bearing, pulled the motor and the cyls still had a decent cross hatch on them and it cleaned up with a .004 deck and 3.905 bore (stock is 3.898)
LOL, burning a little oil is typical for the LS1's as well, doesnt mean your cylinders are toast. Could just need some new rings. Our wonderful(sarcastic) PCV system you can thank for the oil consumption too.
