2.4L Performance Tech 16 valve 172 hp EcoTec with 162 lb-ft of torque

2.2 head on a 2.4 block

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Old 05-28-2019, 09:48 AM
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2.2 head on a 2.4 block

What do I need to do to make the wiring harness work for the 2.2 head

Last edited by Oldblue; 05-28-2019 at 11:48 AM.
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Old 05-28-2019, 11:11 AM
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Is the 2.2 head from a later-model 2.2 that had VVT?

Steve
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Old 05-28-2019, 11:52 AM
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The 2.2 from an ‘09,10 or 11 will fit, however there’s not much of a gain in , well , anything.
I know the old SBC trick of 305 heads on a 350 block, as the 305 heads had larger valves.
I believe the SBF trick was 351 Windsor heads in a 302 block
I’m sure many other combos.
is this a matter of you have s 2.2 head?
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Old 05-28-2019, 02:12 PM
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His bio shows that it's a 2006 "colbalt" ss. I would suggest asking over at the CobaltSS forum.
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Old 05-31-2019, 10:25 AM
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Originally Posted by Oldblue
I know the old SBC trick of 305 heads on a 350 block, as the 305 heads had larger valves.
The 305 would raise combustion ratio because of chamber volume, but they had smaller valves.
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Old 05-31-2019, 03:55 PM
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It’s so long ago , I got the valves mixed up.
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Old 05-31-2019, 09:30 PM
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Yep, raise in the C/R. Also putting a 283 crank into a 327 would get ya a 302 hi-winder, as de-stroking it reduces stroke swept volume allowing it to rev to 7K.. Aka Z-28
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Old 06-01-2019, 08:02 AM
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Wasn’t that the set up, using 327 camel back heads? I recall 2.02 and 1.81 valve sizes.
I could Google it , but that was nearly 50 years ago.
It makes me feel older , but not necessarily wiser!
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Old 06-01-2019, 08:15 PM
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Yes those were the Hot heads to have. Also used on the "Fuelies" too.

I can relate to the older part, & the other.
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Old 06-01-2019, 08:44 PM
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I was playing with 440 big block Dodges then.
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