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4.3L V6 to modernize the Corvair.
Posted by: anthonyforensics ()
Date: January 20, 2010 01:46AM

I am posting this as a continuation of the post [corvaircenter.com] titled "List of v8's... which would go best with a Corvair.." The idea of a 4.3L V6 seems very realistic so I am looking for more information. So far we have had some GREAT posts on this topic. I would love to get a lot more pages. I also would like to know what motor mounts would work best.

1964 Spyder, 1967 Monza
Cincinnati, Ohio

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Re: 4.3L V6 to modernize the Corvair.
Posted by: Mike Stillwell ()
Date: January 20, 2010 01:57AM

See Tom Z's thread on the mid 4.3 build. I have an Astro with a 4.3. Really great motor. I can see why someone would want one in a 'vair. I've been tempted to keep the motor when the Van dies, to stick in a Vair, but it's the post '92 with the counter balance shaft.

Mike
YS-117

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Re: 4.3L V6 to modernize the Corvair.
Posted by: MattNall ()
Date: January 20, 2010 02:05AM


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Re: 4.3L V6 to modernize the Corvair.
Posted by: anthonyforensics ()
Date: January 20, 2010 02:09AM

Great information. I was hoping to build a rear 4.3 smiling smiley

1964 Spyder, 1967 Monza
Cincinnati, Ohio

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Re: 4.3L V6 to modernize the Corvair.
Posted by: gnvair ()
Date: January 20, 2010 03:06AM

The best 4.3 would be to use the older tbi hydraulic roller cammed 4.3 shortblock
(these were also used in the GMC Typhoon/Syclone) with the newer Vortec heads.
There are a lot more performance parts available for the older tbi engines as they shared more parts with the typical 350 V8 than do the newer Vortec 4300 engines.

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Re: 4.3L V6 to modernize the Corvair.
Posted by: Marco_a_p ()
Date: January 20, 2010 03:08AM

How about a Northstar V6 aka. "Short Star?"

Marco Padilla - Realtor BRE#01944189

Century 21 Crest
1501 West Magnolia Blvd
Burbank, CA 91506
213-272-3239 Cell

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Re: 4.3L V6 to modernize the Corvair.
Posted by: MattNall ()
Date: January 20, 2010 03:15AM

The Marine 4.3 I listed from ebay is unbeatable!

$1301 buy

$199 core

$175 shipping
--------

$1,675.00 longblock delivered.. reverse rotation!

They most likely come with a pan, and most likely have the correct RR distributor.

And intake manifolds are a dime a dozen!


In 2--1 my son bought a running '88 4.3 for $150

Threw rings and bearing, etc .at it..

Custom cam / intake / carb / distributor from ebay...

Had $900 in it when done..



Edited 1 time(s). Last edit at 01/20/2010 03:17AM by MattNall.

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Re: 4.3L V6 to modernize the Corvair.
Posted by: Ed Dowds ()
Date: January 20, 2010 04:28AM

I used early 70's style V8 motor mounts on a Transdapt crossmember with "L" shaped plates hanging from the side rails.

Attachments:

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Re: 4.3L V6 to modernize the Corvair.
Posted by: anthonyforensics ()
Date: January 20, 2010 04:50AM

This is awesome. I am definitely going to start this project. I just bought a house and drained a lot of my bank account, but should have the extra funds in a few weeks. Keep the information rolling. Matt, thanks for posting the ebay link. I went to the manufacturers website and found they have them ready to ship anytime I want to order. I hope to order in Feb. Thanks everyone for the information. Ed do you have your car running? Did you use a VW transmission? Tomorrow I am going to print a copy of this post and the v8 post so I have this all documented.

1964 Spyder, 1967 Monza
Cincinnati, Ohio

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Re: 4.3L V6 to modernize the Corvair.
Posted by: Ed Dowds ()
Date: January 20, 2010 01:34PM

"Ed do you have your car running? Did you use a VW transmission?"

No. My cars and tools are spread over two counties so I haven't had a chance to fininsh it.
The trans is a '66 3sp and the diff is the '66 3.55:1 from my old V8 car. It has a 4 spider conversion.

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Re: 4.3L V6 to modernize the Corvair.
Posted by: anthonyforensics ()
Date: January 20, 2010 03:17PM

Matt, the engine that you posted states "Standard rotation"... does this mean that I would have to reverse the rotation?

1964 Spyder, 1967 Monza
Cincinnati, Ohio

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Re: 4.3L V6 to modernize the Corvair.
Posted by: MattNall ()
Date: January 20, 2010 03:42PM

You order Reversed rotation

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Re: 4.3L V6 to modernize the Corvair.
Posted by: anthonyforensics ()
Date: January 20, 2010 03:54PM

Does anyone know how much the 110 engine weighs? I want to compare this to the 4.3L

1964 Spyder, 1967 Monza
Cincinnati, Ohio

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Re: 4.3L V6 to modernize the Corvair.
Posted by: MattNall ()
Date: January 20, 2010 03:56PM

300 lb. approx.

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Re: 4.3L V6 to modernize the Corvair.
Posted by: Mike Stillwell ()
Date: January 20, 2010 04:03PM

Does anyone know if there is an Aluminum block version? I want to say I remember reading about a NASCAR Busch Series motor that used an Aluminum 4.3 block, but that's been a few year back, so I may be wrong.

Mike
YS-117

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Re: 4.3L V6 to modernize the Corvair.
Posted by: cnicol ()
Date: January 20, 2010 05:46PM

Yes, there's a GM Performance Products (GMPP) aluminum version. My machinist has one and we're talking about him storing some of my money while I store his aluminum 4.3... I hear new ones are pretty pricey.

Craig N. Coeur d'Alene ID.
66 Black Monza 4dr, 4.2L V8 49k
66 Red Monza 2dr 140/4 EFI 60k
61 Seamist Jade Rampside 140 PG
65 Cypress Green Monza 140/4 4dr
65 White 4-dr 110/AC/PG (parts)
64 GB -CrUnChEd (donor)


20 Tons of parts in boxes

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Re: 4.3L V6 to modernize the Corvair.
Posted by: Mike Stillwell ()
Date: January 20, 2010 06:26PM

Thanks Craig. If you get any idea on price - please let us know, just as a base line. I have a buddy that works for a company building boats, and he says he can get any Rev-Rot I would want. While I haven't challenged him yet - this thread is making me think about it a little more.

Mike
YS-117

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Re: 4.3L V6 to modernize the Corvair.
Posted by: tkalp ()
Date: January 20, 2010 06:34PM

Here is the response I got from the company on the E-bay ad when I asked about reverse rotation.

"We looked into this before. We coudn't find anybody in the industry that made the reverse rotation timing gears. We have done a reverse in a later Vortec roller cam marine engine but that engine wouldn't bolt right in your application.


- hiperformer"

Might be good to check and see if the Vortec they refer to is a 4.3 V-6 also. By not bolt in, do you think they mean the bellhousing or other factors . . . I guess I could ask.

tkalp
wichita, ks

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Re: 4.3L V6 to modernize the Corvair.
Posted by: shadash ()
Date: January 20, 2010 07:05PM

Please Please Please...

Someone put a kit together that makes this an easy "upgrade"

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Re: 4.3L V6 to modernize the Corvair.
Posted by: lostbooger ()
Date: January 20, 2010 07:38PM

Wow you actually got a response from a company! At least they did that for you. Ive been emailing Kennedy and Clarks for a week now and they wont respond. When I called Kennedy they were very unhelpful. Its as if these guys dont want my money. They say were in a recession but I wonder how much of it was caused out of laziness and not willing to go the extra mile. Sorry prolly not the place for this rant.

I wonder what they meant that it wont bolt right up? I wonder if they knew there would be a small block chevy adaptor involved?

Mike

If you dont mind ask your buddy if there is a reverse rotation Chevy Ecotec motor available? Ive never heard of one but I think that would also be a suitable and economical conversion for the COrvair that could bring it well into the future.

Thank you
Damian

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