2.4L LE5 Performance Tech 16 valve 171 hp EcoTec with 163 lb-ft of torque

Thank you tax return

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Old 02-08-2010 | 01:40 PM
  #26  
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But doesn't the 2.4 Solstice have stronger internals?
Old 02-08-2010 | 01:42 PM
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Im waiting on my tax return!!! should be around $2500!!! getting new brakes and the rest is going into a INGs Account.
Old 02-08-2010 | 06:09 PM
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Originally Posted by BLAZIN07SS
i really doubt the powdered steel rods are rated that high. remember just because we can go that high doesnt mean its rated for safety at that high of a power level. lol. and i can assure you none of the pistons in these cars are meant to go past 300hp
you must be mistaken with the 2.2 rods, 2.4 rods are forged

we have taken many cobalts past 300hp all day long
Old 02-08-2010 | 06:25 PM
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Originally Posted by glen229
you must be mistaken with the 2.2 rods, 2.4 rods are forged

we have taken many cobalts past 300hp all day long
how much you want to bet? $50 says the 2.4 rods are powdered steel
Old 02-08-2010 | 06:26 PM
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you've taken the 2.4 block apart?
Old 02-08-2010 | 06:29 PM
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do you accept my bet?
Old 02-08-2010 | 06:30 PM
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i could care less about betting, seriously its the internet, im asking you a question , have you taken the block apart?
Old 02-08-2010 | 06:32 PM
  #33  
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They could be powder forged, but in any case, everything I've found points to the fact that they're forged steel:
http://archives.media.gm.com/us/powe...tec/08_LE5.xls

http://archives.media.gm.com/us/powe...tec/08_LE5.doc

Displacement in the Ecotec 2.4L VVT was increased to 2,384 cubic centimeters by increasing bore and stroke to 88 mm and 98 mm, respectively, compared to 86 mm and 94.6 mm in the Ecotec 2.2L. The 2.4L VVT introduced a Gen II engine block that strengthened the block bulkheads to improve both durability and vibration control, without significantly increasing mass. The 2.4L VVT uses forged C70 steel connecting rods that are shorter than those in the 2.2L with a stroked cast nodular iron crankshaft.
Old 02-08-2010 | 06:34 PM
  #34  
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i have never taken it apart myself but i have seen them in front of me. 100% powdered steel. check chapter 1 of the gm build book as well to confirm they are powdered steel

page 11 under connecting rods.

http://www.gmtunersource.com/media/r...LSJ_Chap_1.pdf

Last edited by BLAZIN07SS; 02-08-2010 at 06:34 PM. Reason: Automerged Doublepost
Old 02-08-2010 | 06:34 PM
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i never said they were a good forging, like other aftermarket options, but they are forged indeed
Old 02-08-2010 | 06:36 PM
  #36  
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Originally Posted by BLAZIN07SS
i have never taken it apart myself but i have seen them in front of me. 100% powdered steel. check chapter 1 of the gm build book as well to confirm they are powdered steel

page 11 under connecting rods.

http://www.gmtunersource.com/media/r...LSJ_Chap_1.pdf
Someone is lying at GM then
Old 02-08-2010 | 07:39 PM
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They are forged end of story if it throws a rod then I'll build it I have freinds that build sand rails and buggys they turbo these engines all day 300+ hp and beat the **** outa them and never have problems
Old 02-09-2010 | 02:13 AM
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blazin.. your problem is you're looking at the gm build book .. the build book has nothing to do with 2.4's and has more then one incorrect statement in it .. hell there are even **** ups about the 2.2 and 2.0 in it.. the 2.4 does have forged steel rods.. the 2.2 uses forged powder metal rods.. there are many companies that've pushed the 2.4 hard and it's taken it like a champ if you think they can't take it .. you need to look on solstice forum, sky roadster and some of the other kappa web sites..

the only thing the 2.4 really needs is valve springs to prevent against valve float.. EVERY company that's pushed a 2.4 has said that
Old 02-09-2010 | 02:21 AM
  #39  
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im very shocked blazin does not know this information already, its been known before i even joined this forum about the 2.4 internals. If they were only good to 250 then they would be blowing within HOURS when pushing close to 400hp. How many times have you read a 2.4 blowing when pushing over 300hp? Go check the solstice forums and let us know.

Better yet, talk to ZZP whos had their 2.4 running over 350 whp and racing it, still kicking fine.
Old 02-09-2010 | 02:26 AM
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Originally Posted by _UnLiMiTeD_
im very shocked blazin does not know this information already, its been known before i even joined this forum about the 2.4 internals. If they were only good to 250 then they would be blowing within HOURS when pushing close to 400hp. How many times have you read a 2.4 blowing when pushing over 300hp? Go check the solstice forums and let us know.

Better yet, talk to ZZP whos had their 2.4 running over 350 whp and racing it, still kicking fine.
to be exact their tranny **** the bed before the engine lol

all this being said i wish i got a tax return like that lol
Old 02-09-2010 | 02:28 AM
  #41  
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Originally Posted by elecblue06
to be exact their tranny **** the bed before the engine lol

all this being said i wish i got a tax return like that lol
well they had some meaty slicks on that car so it was bound to happen. But the motor is still fine and has been put through its paces
Old 02-09-2010 | 09:06 AM
  #42  
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The fact that the transmission put down any runs at all was shocking to me Had it been an F23 in that thing, it'd be clutch slip city.
Old 02-10-2010 | 09:29 AM
  #43  
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my rods popped at low to mid 300'swhp. Took the abuse for about 6 months it went boom.
Old 02-10-2010 | 01:10 PM
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Originally Posted by BoostedG5
my rods popped at low to mid 300'swhp. Took the abuse for about 6 months it went boom.
do also did back to back top speed runs...on a tune not dialed in for that..
Old 02-10-2010 | 07:14 PM
  #45  
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damn nice bunch of **** u ordering lol
Old 02-10-2010 | 09:13 PM
  #46  
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Originally Posted by elecblue06
do also did back to back top speed runs...on a tune not dialed in for that..
if thats the case then thats the users fault, not the car
Old 02-11-2010 | 01:53 PM
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I'm reAlly only worried bout the trans
Old 02-11-2010 | 01:56 PM
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The only thing I hate about the zzp Turbo kit is the water to air, and not air to air

Last edited by glen229; 02-11-2010 at 01:57 PM. Reason: Automerged Doublepost
Old 02-11-2010 | 09:14 PM
  #49  
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even though the fully built drag cobalts use that
Old 02-12-2010 | 12:40 PM
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Originally Posted by _UnLiMiTeD_
even though the fully built drag cobalts use that
damn them and using efficient products DAMN THEMMM


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