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post #1 of 8 (permalink) Old Mar 29th, 07, 11:52 AM Thread Starter
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big block in a 3rd generation

I have a 468 I plane to install in my 86 IROC Is this a easy task or what the pros and cons . I have to make.

orig. owner of car: 406 casting#509 block trw 10:1 Scat crank & rods lun.280/284 with1:6 magnum roller 200c Dart iron eagles 64cc 202:160 super comp headers 2.5in. flomaster 50 eldebrock Victor Jr,850DP holley MSD6AL with 6600 chip 700r trans,corvett serv. over drive valve 3500 hughes 10" stall and 3.42rear with locker motor was installed 7-26-03 60ft1.72 1/4 12.32
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post #2 of 8 (permalink) Old Mar 29th, 07, 12:34 PM
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Re: big block in a 3rd generation

Anything can be done as long as you have a blue wrench and welder.

I'm sure there are kits out there for conversion. You might have to trim the shock towers to fit widthwise. I'm sure somebody has done it.

Try www.thirdgen.org

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post #3 of 8 (permalink) Old Mar 29th, 07, 01:38 PM
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Re: big block in a 3rd generation

I have a 427 in my '87 IROC Z. The engine fits fine, it's the exhaust system that's the issue. My car even has the stock hood with some trimming of the inner structure and a low profile manifold. I did not do the install on my car, but it's obvious that some banging and cutting will be necessary to fit the headers. Also, my car has no heater, no AC, no power brake booster, and no power steering - so beware of clearance issues with these items. Also I have less than 3" of ground clearance which could be an issue depending on where and how much you drive the car. Thirdgen.org has a ton of info on big block swaps. Good luck.





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post #4 of 8 (permalink) Old Mar 29th, 07, 04:33 PM
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Re: big block in a 3rd generation

now that is one pretty thirdgen!!!

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post #5 of 8 (permalink) Old Mar 29th, 07, 05:05 PM
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Re: big block in a 3rd generation

It just will not be easy and will require a little planning. Going back to the recepie for Rock Soup; first find a BBC.

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post #6 of 8 (permalink) Old Mar 29th, 07, 05:08 PM
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Re: big block in a 3rd generation

putting a big block in a third gen Camaro is probably about as hard as putting a small block in a Vega..

you don't plan sincerity.
you have to make it up on the spot.

wanna hear about 20 years ago when i was too smart to know any better?
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post #7 of 8 (permalink) Old Mar 29th, 07, 05:53 PM
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Re: big block in a 3rd generation

Damn nice 3rd, over the hood and under the hood.

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post #8 of 8 (permalink) Old Mar 30th, 07, 08:45 AM
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Re: big block in a 3rd generation

Quote:
Originally Posted by JimM View Post
now that is one pretty thirdgen!!!
Quote:
Originally Posted by Everett#2390 View Post
Damn nice 3rd, over the hood and under the hood.
Thanks guys. It's a fun car and a lot more worry-free than my 1st Gen.
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