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Old 11-27-2021   #1
ghlkal
 
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Default Replica C2 GS with Mercury engine

OK, kind of a stretch for C4 ZR-1 general, but I think we can appreciate the Mercury engine ...


https://www.corvetteblogger.com/2021...27-boat-motor/
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File Type: jpg Mercury SB-4 engine.jpg (53.6 KB, 73 views)
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Old 11-28-2021   #2
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Default Re: Replica C2 GS with Mercury engine

Very cool. I like it!
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Old 11-28-2021   #3
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Default Re: Replica C2 GS with Mercury engine

The SB4 has been around since 2016 as an automotive crate engine based on their water-borne engines. Notably for us, the SB4 is a DOHC engine: "The 32-Valve DOHC V-8 was designed, developed and manufactured in-house,"they say. What they don't say is how much they learned about aluminum DOHC 4 valve motors building the LT5s in their Stillwater OK MerCruiser plant. I don't know how physically big it is or whether it would fit in a C4 ZR-1, but it would be fun to see one done that way, sort of a semi-genuine Continuation ZR-1.... --Bob
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Old 11-28-2021   #4
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Default Re: Replica C2 GS with Mercury engine

Wow!
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Old 11-28-2021   #5
Paul Workman
 
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Default Re: Replica C2 GS with Mercury engine

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Old 11-28-2021   #6
secondchance
 
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Default Re: Replica C2 GS with Mercury engine

Quote:
Originally Posted by WARP TEN View Post
The SB4 has been around since 2016 as an automotive crate engine based on their water-borne engines. Notably for us, the SB4 is a DOHC engine: "The 32-Valve DOHC V-8 was designed, developed and manufactured in-house,"they say. What they don't say is how much they learned about aluminum DOHC 4 valve motors building the LT5s in their Stillwater OK MerCruiser plant. I don't know how physically big it is or whether it would fit in a C4 ZR-1, but it would be fun to see one done that way, sort of a semi-genuine Continuation ZR-1.... --Bob
If it fits under C2...
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Old 11-29-2021   #7
XfireZ51
 
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Default Re: Replica C2 GS with Mercury engine

Bob,

Its based on an LS7 block, so couldn?t be too hard a swap since LSx swaps are much more common today for C4s and there are kits for that. I think the hot setup for this would be a nice 84 Z51, a 3200lb coupe w 750hp. Would a roll cage to add more stiffness for the xtra torque.
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Last edited by XfireZ51; 11-29-2021 at 11:41 AM.
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Old 11-30-2021   #8
evolutionross
 
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Default Re: Replica C2 GS with Mercury engine

That's freakin hot!
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Old 12-03-2021   #9
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Default Re: Replica C2 GS with Mercury engine

Sexy and that fabrication to get that shoehorned in there must have been expensive. However looks hot!
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