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LS7 crank!

Old Jan 29, 2005 | 11:39 PM
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Default LS7 crank!

i'm suprised, this really hasnt been addressed. i think the 4'' crank is going to make stroked engines- like a 383, alot cheaper! how much would you estimate GM charging for these, and would they fit in an LS1 (i would assume they would). this would really save us alot of money, considering eagle wants upwards of 2k for theirs...
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Old Jan 30, 2005 | 12:05 AM
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Would they fit, physically...yes.
Would it work... I don't think so. There's a different number of magnetic points on the reluctor wheel. So the LS1 PCM wouldn't be able to keep track of timing.



Unless.......HP Tuners can re-write the PCM to recognize it in the future.
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Old Jan 30, 2005 | 07:47 AM
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Sounds like GM F-ed us on purpose.
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Old Jan 30, 2005 | 11:17 AM
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What makes you think they will be cheaper? Most aftermarket parts are cheaper than GM stuff. Look at a crate LS1 motor...you could build a forged big cube monster for the price of a stock crank/piston/rod ls1.
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Old Jan 30, 2005 | 11:38 AM
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Originally Posted by Greg Fell
What makes you think they will be cheaper? Most aftermarket parts are cheaper than GM stuff. Look at a crate LS1 motor...you could build a forged big cube monster for the price of a stock crank/piston/rod ls1.
Yeah you could build a killer short block that's about it. Gm includes a pcm, fuel injection which alone i believe is about 2k. Plus heads, intake, throttle body............
I'd guess the crank won't be to badly priced, somebody just needs to make it work.
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Old Jan 30, 2005 | 11:43 AM
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Originally Posted by V-10 Killer
Would they fit, physically...yes.
Would it work... I don't think so. There's a different number of magnetic points on the reluctor wheel. So the LS1 PCM wouldn't be able to keep track of timing.



Unless.......HP Tuners can re-write the PCM to recognize it in the future.
I take it you can't swap out reluctor wheels? I'm sure there will be a way to electronically alter the signal.
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Old Jan 30, 2005 | 12:05 PM
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Originally Posted by LSONE
i'm suprised, this really hasnt been addressed. i think the 4'' crank is going to make stroked engines- like a 383, alot cheaper! how much would you estimate GM charging for these, and would they fit in an LS1 (i would assume they would). this would really save us alot of money, considering eagle wants upwards of 2k for theirs...
The eagle crank is no where near that at least from us. You are thinking of the Lunati or Callies cranks being 2000.00
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Old Jan 30, 2005 | 01:11 PM
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this is true. eagle cranks are usually like $800-1000.
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Old Jan 30, 2005 | 02:57 PM
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wow, i didnt realize how cheap eagle was! i guess i was looking at callies. but still, the stock LS1 crank is obviously plenty strong and is $600 compared to eagles $960 for a stock sized crank.
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Old Jan 30, 2005 | 02:58 PM
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Yeah, even I (cheap-***) have been looking at the Eagle stuff. Good deals.
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