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C4 and Big Block?

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Old Jul 5, 2020 | 01:51 AM
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Default C4 and Big Block?

Curious if anyone has experience or know of C4s that have a big block in them?
just curious, saw one for sale, and I’ve never seen it before
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Jul 5, 2020, 06:35 PM
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Originally Posted by sahhas
Curious if anyone has experience or know of C4s that have a big block in them?
just curious, saw one for sale, and I’ve never seen it before
The car you saw for sale wouldn't happen to be a Lingenfelter car would it?

My dad has a 1990 big block c4 that was converted by John Lingenfelter in 1992. It has their 540 cubic inch big block package. Only about 4 or 5 were converted by him with this same 540 BB package. I have yet to see another one. If anyone knows someone with another Lingenfelter converted car could you please PM me with their contact info?



Old Jul 5, 2020 | 09:17 AM
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GM built one in the early 90's as a promo car. It used a crate 454. the firewall/ cowl area had to be modified a bit to make it work. if you do some searching for it I am sure you will find it. I think GM sold it a few years ago at Barrett Jackson
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Old Jul 5, 2020 | 09:34 AM
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Originally Posted by Nowhere Man
GM built one in the early 90's as a promo car. It used a crate 454. the firewall/ cowl area had to be modified a bit to make it work. if you do some searching for it I am sure you will find it. I think GM sold it a few years ago at Barrett Jackson
It was called the ZR-2 in 1989 i believe, wasn't made due to tightening fuel restrictions.



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Old Jul 5, 2020 | 09:39 AM
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Originally Posted by Anthony F
It was called the ZR-2 in 1989 i believe, wasn't made due to tightening fuel restrictions.

I saw that car a few times at Corvettes at Carlisle when GM use to bring their show cars there. If any thing it would be for emissions and weight distribution in the C4.
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Old Jul 5, 2020 | 11:08 AM
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Default Big block

I was at Barrett Jackson the year GM sold all it’s experimental cars.
there was an 89 regular corvette with a LT 5,
a 4 wheel steer 90 corvette,
an electric power steering 90 corvette,
a 4 door stretched 91 corvette, a corvette with a stretched roof and a hatchback,
a 89 stationwagon with a 10 Cylinder BMW engine,
a twin engine citation with a front and rear v6,
a pickup truck with a engine under the bed along with an engine under the hood.
there were lots more experimental cars, i just can’t remember them all.
my favorite was the regular corvette with the LT5 in it.
it was a light metallic blue with a light gray interior, Modified dash, and ZR-1 wheels with a narrowed cargo area, it was just pretty with that big engine.
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Old Jul 5, 2020 | 12:47 PM
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Originally Posted by Nowhere Man
I saw that car a few times at Corvettes at Carlisle when GM use to bring their show cars there. If any thing it would be for emissions and weight distribution in the C4.
Yeah that's what i meant, emissions.
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Old Jul 5, 2020 | 01:10 PM
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Big block > lsx swap c4


big block heads flow like 500+ cfm at an inch lift

LSx guys could only pipe dream about that
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Old Jul 5, 2020 | 01:47 PM
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Originally Posted by dizwiz24
Big block > lsx swap c4


big block heads flow like 500+ cfm at an inch lift

LSx guys could only pipe dream about that
but yet the LS weighs prolly half as less as a iron BB. Less weight equals better handling and easier to move. That is what you want in a sports car. BB engines belongs in a drag racings and in trucks where you need lots of low end torque
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Old Jul 5, 2020 | 02:00 PM
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Originally Posted by Nowhere Man
but yet the LS weighs prolly half as less as a iron BB. Less weight equals better handling and easier to move. That is what you want in a sports car. BB engines belongs in a drag racings and in trucks where you need lots of low end torque

How many people do you think actually road race their vette?

the straight line, tesla beating on ramp punch from a BBC is something you can enjoy every day


Last edited by dizwiz24; Jul 5, 2020 at 02:00 PM.
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Old Jul 5, 2020 | 02:09 PM
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Originally Posted by dizwiz24
How many people do you think actually road race their vette?

the straight line, tesla beating on ramp punch from a BBC is something you can enjoy every day

all I am saying is a Corvette was designed and built to be a sports car to compete with European sports cars to race on road races and alike. A true sports car you can enter the on ramp at a high rate of speed and make it stick and keep on going. I love my BB chevelle. It’s fun. But have driven many late models with 51/49 weight distribution makes it more fun and exhilarating then what a noise heavy BB car. The Corvette jumped on the bandwagon in 65 to use a BB but it only lasted ten years. And the last four was boring (so was the SB too).
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Old Jul 5, 2020 | 04:51 PM
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Originally Posted by Nowhere Man
but yet the LS weighs prolly half as less as a iron BB. Less weight equals better handling and easier to move. That is what you want in a sports car. BB engines belongs in a drag racings and in trucks where you need lots of low end torque
Ironblock LS is surprisingly heavy...(still lighter than gen 1 but not much) like full dress in the 500 range iirc. You want the aluminum ones. Big blocks that are iron are somewhere in the 700 range and go up from there. Still a massive difference. That said, an aluminum big block would be in the stock weight range of a gen 1. Would be fun but extremely expensive compared to slapping a turbo on an ls. Food for thought.
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Old Jul 5, 2020 | 05:19 PM
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Originally Posted by dizwiz24
the straight line, tesla beating on ramp punch from a BBC is something you can enjoy every day
What Big Block car is beating Tesla?

Better be a pretty healthy BBC.
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Old Jul 5, 2020 | 05:21 PM
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Originally Posted by Nowhere Man
but yet the LS weighs prolly half as less as a iron BB.
One in every crowd.

LS was not part of what got asked.
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Old Jul 5, 2020 | 05:26 PM
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Originally Posted by KyleF
One in every crowd.

LS was not part of what got asked.
I did not bring up the LS. Anther poster did.
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Old Jul 5, 2020 | 05:31 PM
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I agree with the earlier poster, the weight of an Iron Big Blocks would probably be a big issue
However, you could always look at an LS7

1990 C4 with LS7- play the video with sound

Last edited by KurtK; Jul 5, 2020 at 05:37 PM.
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Old Jul 5, 2020 | 05:41 PM
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add aluminum heads or better yet add an aluminum block too

and you can build em out to 800+ ci
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Old Jul 5, 2020 | 06:35 PM
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Originally Posted by sahhas
Curious if anyone has experience or know of C4s that have a big block in them?
just curious, saw one for sale, and I’ve never seen it before
The car you saw for sale wouldn't happen to be a Lingenfelter car would it?

My dad has a 1990 big block c4 that was converted by John Lingenfelter in 1992. It has their 540 cubic inch big block package. Only about 4 or 5 were converted by him with this same 540 BB package. I have yet to see another one. If anyone knows someone with another Lingenfelter converted car could you please PM me with their contact info?



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Old Jul 5, 2020 | 06:50 PM
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dayum!!! That video is awesome! That thing sounds great!!!
wonder what numbers are for it, 0-60 times and HP???
Wow!!!

Originally Posted by KurtK
I agree with the earlier poster, the weight of an Iron Big Blocks would probably be a big issue
However, you could always look at an LS7

1990 C4 with LS7- play the video with sound

Last edited by sahhas; Jul 5, 2020 at 06:50 PM.
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Old Jul 5, 2020 | 06:54 PM
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it was not a Lingenfelter modified car I saw, I highly doubt one of those would even be in the realm of me affording one!!!
that is a very cool car!!!!!

Originally Posted by esham
The car you saw for sale wouldn't happen to be a Lingenfelter car would it?

My dad has a 1990 big block c4 that was converted by John Lingenfelter in 1992. It has their 540 cubic inch big block package. Only about 4 or 5 were converted by him with this same 540 BB package. I have yet to see another one. If anyone knows someone with another Lingenfelter converted car could you please PM me with their contact info?



Last edited by sahhas; Jul 5, 2020 at 06:55 PM.
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Old Jul 5, 2020 | 07:32 PM
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Originally Posted by esham
The car you saw for sale wouldn't happen to be a Lingenfelter car would it?

My dad has a 1990 big block c4 that was converted by John Lingenfelter in 1992. It has their 540 cubic inch big block package. Only about 4 or 5 were converted by him with this same 540 BB package. I have yet to see another one. If anyone knows someone with another Lingenfelter converted car could you please PM me with their contact info?


Sexy, what does a 540 put out?
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