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Old 07-04-2007, 11:39 PM
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Default Engine Replacement Question

I was thinking about something today and wanted to run it by you guys. My car currently only has 55,000 miles on it - so I know I can get a lot more time out of it.

BUT, if I wanted to upgrade or change the motor before 100,000 miles, what would be the best route to go? Swap in a new LS1? An LS2? I'm sure getting another LS1 would be the easiest and least expensive way to go. But for an extra $1,200 one could upgrade to the LS2 and have 50 more HP.

My main goals would be still passing emissions and ease of installation - which is why I think simply putting in a new LS1 would be the way to go.
Old 07-05-2007, 01:08 AM
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better idea you havent thought of......keep your block....stroke it...a 383 set up is great and not near as expensive as replacing a motor....do that and H/C the motor youll beat a ls2 all day
Old 07-05-2007, 09:33 AM
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Originally Posted by staringback05
better idea you havent thought of......keep your block....stroke it...a 383 set up is great and not near as expensive as replacing a motor....do that and H/C the motor youll beat a ls2 all day
I thought about that. But how reliable is a 100,000 mile stock block that's been stroked?
Old 07-05-2007, 09:46 AM
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well. when you install the stroker kit you basicly rebuild the cylinder block/internals, so its as reliable as it was well put to geather
Old 07-05-2007, 09:52 AM
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Originally Posted by patricksd
I thought about that. But how reliable is a 100,000 mile stock block that's been stroked?

Why wait until 100K miles to stroke it?
Old 07-05-2007, 10:14 AM
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Is your Z your daily driver?
Old 07-05-2007, 02:35 PM
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Originally Posted by tylerdj
Why wait until 100K miles to stroke it?
Well, I was thinking of getting the most out of this motor that I can before I drop a ton of money into it.

At 100K, I figured I'd buy a new motor (either a stock LS1 and stroke it) or a crate motor (LS2 or LS6).

Originally Posted by dgvincent86
Is your Z your daily driver?
Yes, its my daily driver - for now at least.
Old 07-05-2007, 03:02 PM
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Well by the time you hit 100k you'll have another daily driver I'm sure..........aluminum 427ci stroker LS7 ???

http://www.texas-speed.com/shop/item...d=693&catid=20

YES !
Old 07-05-2007, 04:27 PM
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a BLOCK....isnt going anywhere...how often do you hear about blocks breaking...some do but not ANYWHERE near the internals in them....a 100,000 mile block that gets cleaned up and stroked is like a brand new motor....

a forged stroked motor is very reliable and alot more feasible then just buying a crate motor
Old 07-05-2007, 04:39 PM
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Originally Posted by staringback05
a BLOCK....isnt going anywhere...how often do you hear about blocks breaking...some do but not ANYWHERE near the internals in them....a 100,000 mile block that gets cleaned up and stroked is like a brand new motor....

a forged stroked motor is very reliable and alot more feasible then just buying a crate motor
That's good to know - and the reason I inquired about it. Roughly, what would it cost to stroke and forge a stock block? Also, is it still capable of passing emissions? Being in California, its something I have to think about.
Old 07-05-2007, 04:44 PM
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it will all be in the tune and highflow cats.....you can get kits from eagle or lunati between 2500$-4500$....
Old 07-05-2007, 06:18 PM
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Thats not bad at all. I remember reading a thread where a guy talked about the reliability issues with a stroker - but I think he had something bigger than a 383. I'm sure the larger you go, the more potential for issues exist.
Old 07-06-2007, 03:26 AM
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Depending on the condition of the motor now and how you take care of it until 100k, you may still have quite a bit of life left in the engine even after 100k...




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