C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

swap a 5.3 into c4

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Old 09-20-2014, 02:54 PM
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shawnsdad
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Default swap a 5.3 into c4

i cant find any write ups on this... anyone help?
thanks
86 c4
Old 09-20-2014, 03:02 PM
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PLRX
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We do have few LS swap threads.

use the search tool. FCsoldier, and ch@os have done it, and they are very happy with their DIY.

If you live in California, don't do it. It will be cheaper to buy a C6.
Old 09-20-2014, 06:41 PM
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The Plastic Lizard
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I just finished mine...almost...took 2x as long as I thought it would...probably 3x the money....but I'm too scared to add that up....

I Still think it was worth it.
Old 09-20-2014, 07:27 PM
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shawnsdad
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approx cost?
Old 09-20-2014, 10:01 PM
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l98tpi
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Why would you want to do a 5.3? You would be going to smaller displacement. If you want Al block, get an Al sbc.
Old 09-20-2014, 11:37 PM
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aDigitalPhantom
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I don't know what an 86 needs for the swap.

As for price I have somewhere between $9,000-10,000 in my 93 LS swap.

PS
No I don't have a thread detailing my swap because I got far too much flame for not doing exactly what others wanted me to do.
Old 09-21-2014, 12:32 AM
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856SPEED
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The 5.3 is a desirable LS type mill because of that fact it is a cast iron block vs. aluminum; yes it is a smaller displacement, but it allows for power adders with the added durability from stresses such as turbos, superchargers, etc. add to the bottom end; and the heads from other LS types of engines can be added to those blocks......

When Ford came out with the 4.6 supercharged engine for the 03/04 Cobra Mustangs in 03, they used a cast iron block for the boosted mill over the aluminum block 4.6 they had in the previous Cobras due to stress from boosted applications from a roots style blower......

So yes, 5.3 has its place in the market....it is a truck/SUV Vortec engine and they can be found much cheaper in the junk yard vs. LS1/2/3/6/7 mills.

Also the 6.2 Vortec is out there which yields higher displacement but they are not as cheap or available.
Old 09-21-2014, 05:15 AM
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Lloyd Smale
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the ls motors are aluminum. Its the truck 5.3s that are cast iron and even the one thats in my silverado is the optional aluminum block
Old 09-21-2014, 09:55 PM
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mtwoolford
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the now defunct magazine "CORVETTE FEVER" did this exact swap; Google "PROJECT C-FORCE" and see what you come up with; it was spread over several issues and was very detailed. And they went with the cast iron block because that's what the cars's spring rates and ride height was set up for. It seemed to be a very successful swap.

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