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| | |-+  Upgrading a 230 to a 250
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Author Topic: Upgrading a 230 to a 250  (Read 2056 times)
68SixBangerRS
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« on: July 10, 2013, 03:14:10 PM »

It's slow here on the drive-thru window right now, so I figured I'd post another topic...maybe we can get the "6 Cylinder" page 1 (BTW, the ONLY page) to increment to page 2! I have a woeful lack of knowledge about 6 cylinder Chevys and am curious if anyone on here has upgraded their 230 to a 250 (the so-called "mountain motor 6"). It appears the only thing necessary to accomplish this is swapping the crank and rods...is this so...are the pistons the same? And if anyone has done this, was there much of a difference in performance? The original owner of my car was a then 46 yr-old divorced woman who wanted her new Camaro to LOOK exciting, but not ACT exciting. She ordered it in Tripoli Turquoise with the RS option and a D90 sport stripe. Oh wait, a car just pulled up to the drive-thru window...
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KurtS
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« Reply #1 on: October 22, 2013, 11:32:23 PM »

Your best bet is to download the vehicle specs from GM and peruse thru them. They should tell the differences between the motors.
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Kurt S
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67conv6cyl
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« Reply #2 on: October 26, 2013, 11:37:52 AM »

What is the casting number on your block?
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69Z28-RS
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« Reply #3 on: October 26, 2013, 12:20:55 PM »

I haven't ridden in a 230 car (that I can recall), but I do clearly recall riding in a friend's new '69 Camaro with the 250 ci (3 spd) back in 69, and it impressed me with how it performed.. (similar to a base V8 I thought)..
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
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BULLITT65
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« Reply #4 on: November 05, 2013, 05:27:35 PM »

So I am guessing you are inquiring about the 250 to keep the stock outward appearance, but have a (little) bump in power?
Also who coined it the "mountain motor" chevy lit? made me laugh a bit...sorry
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1969 garnet red Z/28 46k mile unrestored X77
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