limitations of internals
limitations of internals was wondering what exactly is the cause of stock internals to fail. ive seen some stock motors pushed and seem some fail. I know a tune is the biggest key but how far can you push a stock internal motor bfore something fails?
is the pressure to much for the rods?
is the pressure to much for the pistons?
just curious as to how far a motor can be pushed before it needs forged
is the pressure to much for the rods?
is the pressure to much for the pistons?
just curious as to how far a motor can be pushed before it needs forged
Seriously, doing a search has saved me so many questions like this. There are probably 20 threads on this subject out there, some are very informative.
People have seen from 450-600 rwhp on stock blocks, its all in the tune/supporting mods.
Factory internals-
Pistons: wouldnt puch much more that 550rwhp
Rods: 500rwhp (550rwhp w/ bolts)
Crank: i would throw 1000hp at it all day! NO JOKE there are people on here that are in the 9s in the 1/4 with the cactory crank, maybe 8s yet?
Pistons: wouldnt puch much more that 550rwhp
Rods: 500rwhp (550rwhp w/ bolts)
Crank: i would throw 1000hp at it all day! NO JOKE there are people on here that are in the 9s in the 1/4 with the cactory crank, maybe 8s yet?
did a search first and didntcome up with what answers i wasl ooking for
550 you say? see thats what i was wondering. I seen some 4.8s making 505 on a safe tune. i think KBracing a site sponsor is seeing those numbers in his. i also think parish pushed little over 600 rwhp in his old 4.8. just curious as to if used meth and good fuel how far can a motor be pushed and how long
Our factory LS1 motors were not designed to do make/hold more than factory power.
Its kinda like a '10-bolt' question "i am throwing X amount of power at it, when will it break"
We dont know and we wont know until it happens, its just all a gamble.
we have been pushing our stock 5.3 longblock to over 600rwhp for a year now. hundreds of runs. even with a perfect tune i would have expected it to let go sooner and we have had a few runs where the tune was not ideal.
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Good tune + well maintained = a long time.
Our factory LS1 motors were not designed to do make/hold more than factory power.
Its kinda like a '10-bolt' question "i am throwing X amount of power at it, when will it break"
We dont know and we wont know until it happens, its just all a gamble.
Our factory LS1 motors were not designed to do make/hold more than factory power.
Its kinda like a '10-bolt' question "i am throwing X amount of power at it, when will it break"
We dont know and we wont know until it happens, its just all a gamble.
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if you have enough turbo i like to go safe on timing and just keep adding boost till i am happy(or see knock). i like 15deg. i have never tried less but it wouldn't suprize me if more power could be made at 10deg but with more boost(tuning to the edge of knock)
so what you think is possible? 20lbs+?
550+ here... and I do beat it when I drive it. We'll see how it holds at the track real soon. Stock internals with 6.0L heads..... fuel mods/meth... when I drive it on the street I like to shift early, like 6K.