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Old 11-21-2016, 11:47 PM   #1
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Difference in se and st engine?

Does anyone know know the difference in the st and se engine? is it just a different head? I'm not sure the compression ration on these 2.0s but I was just wondering if anyone can give me any real information on what the difference is between the two?


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Old 11-21-2016, 11:48 PM   #2
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I should mention I'm aware its tubo charged which is why I mention the compression ratio I'm just wondering what the difference is to make the st run the turbo
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Old 11-22-2016, 12:50 AM   #3
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Its a totally different engine. Different cylinder head design, integrated manifold, compressor coupled with the turbo.



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Old 11-22-2016, 04:41 AM   #4
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The standard engine, the one in the SE, run at 12.5:1 if I remember correctly (or is it 11.5:1) ?
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Old 11-22-2016, 05:57 AM   #5
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Originally Posted by Squad-G View Post
The standard engine, the one in the SE, run at 12.5:1 if I remember correctly (or is it 11.5:1) ?
So that means the pistons are different. How 'bout the rods/crank & possibly the block different too?
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Old 11-22-2016, 09:56 PM   #6
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Quote:
Originally Posted by miller248233 View Post
Does anyone know know the difference in the st and se engine?
Easy ... the ST engine is the one with problems
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Old 11-22-2016, 09:58 PM   #7
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Major difference.
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Old 11-22-2016, 10:07 PM   #8
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Crank & block are different like the old 2.3 ones, crank has gear for balance shaft assy. and block is set up to bolt that assy. in at a minimum. Close enough to the old one that the identical delete kit works.
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Old 11-23-2016, 05:39 AM   #9
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Quote:
Originally Posted by ELCouz View Post
Easy ... the ST engine is the one with problems
Oh no, thats not what I wanted to hear but needed to. I've seen a few pix of the pistons, wow. Why does the Fist ones look so much better?
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Old 11-23-2016, 03:27 PM   #10
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Quote:
Originally Posted by felixthecat View Post
Oh no, thats not what I wanted to hear but needed to. I've seen a few pix of the pistons, wow. Why does the Fist ones look so much better?
I don't know but it seems (IIRC #4 cylinder) likes to go away modded or not. Mostly ringland failures...

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