Question..Why 370ci?
03-10-2008, 10:29 PM
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Question..Why 370ci? I see a lot of guys getting ther 6.0l's 30 over to make them 370. Why not just run them stock at 364? Is there really going to be that big of a difference?
03-10-2008, 10:37 PM
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I had my iron block just honed to be perfectly straight and left it 4 inch.I wanted all the cylinder wall strength I could get so it will just be a 402 instead of 408.
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03-11-2008, 12:58 AM
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Back when people started building 6.0 iron block motors, they were only using seasoned blocks (used blocks) so it was common place to bore a block +.030" So the 370 and 408 names remained popular from that. My take on it.
03-11-2008, 10:45 AM
#10
I got a new LQ4 block, line honed it, and went from there.
03-11-2008, 02:04 PM
#13
Hmm well iron blocks are totally safe for 408 and not sure how much bigger. Was a bit worried 427 on iron block might be too much overbore for higher boost so stuck with 408 and also it was cheaper and figure good enough for my power goals.
Its a bit cheaper to go with a 370 and you can use stock crank and guess most guys would bore it out anyway especially if the engine has some miles on it.And more displacement is more torque,faster spool up and more potential power.
Its a bit cheaper to go with a 370 and you can use stock crank and guess most guys would bore it out anyway especially if the engine has some miles on it.And more displacement is more torque,faster spool up and more potential power.
03-11-2008, 06:49 PM
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i went to my shop (TRT) and i was paying them to do a 6L block and make it a 370, but they told me that they were gonna use my stock crank and if i wanted to sell my old motor that they would need $200 for another crank...... i asked him how much would it be for a forged crank and he said between 7-900 and i told him i might as well save him the trouble of removing my crank from my old motor and just keep it in there and buy a forged crank and make it a 408 instead of a 370 
. my dream has always been to have a 408 turbo camaro since seeing the success of people on here with that set up
. my dream has always been to have a 408 turbo camaro since seeing the success of people on here with that set up 
03-12-2008, 01:27 PM
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Lots of engines are .010 - .020 over too, just depends on the builder, condition of the block, and goals.
I had an NA iron block that was .060 back around 2000, not too many blocks can be taken out that much due to core shift.
I had an NA iron block that was .060 back around 2000, not too many blocks can be taken out that much due to core shift.
