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

What engines can you swap into a '85 corvette

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Old 05-08-2024, 05:04 PM
  #21  
jdjenk
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Originally Posted by auburn2
There are ZR-1s available online for under $20k. All in, how much do you think it will cost to get to 350+ horsepower with his current car?
it doesnt cost very much to get a SBC to 350+

it costs even less to get a LS to that, hell many of them already have it in stock form
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Old 05-09-2024, 09:24 AM
  #22  
auburn2
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Originally Posted by jdjenk
it doesnt cost very much to get a SBC to 350+

it costs even less to get a LS to that, hell many of them already have it in stock form
If you want to go with a 350 and Carburetor, you can do that foe a lot less and I mentioned that in my original post. Nitrous Oxide is also a way to do it for a lot less. But those options are not the LT5, LT1 or LT4 engine he said he really wanted.

I don't think he is going to get to 350hp in an LS or fuel injected 350 without messing with electronics. I think a carbed LS is going to cost a lot if you want to both get it into a C4 and hit that 350hp number. Those engines that have that much horsepower stock cost a lot more than the truck engines and the cost to mod the car and convert the engine to a carb are not insubstantial.

For comparison, I am over $6k on the .40 over 350 I am putting into my 89 right now. It is all new parts except the bare block and manifolds, but it won't make 350hp (because I am reusing intake and exhaust manifolds and not messing with the electronics) and the only thing I outsourced was machining the block.

Last edited by auburn2; 05-09-2024 at 10:51 AM.
Old 05-09-2024, 11:38 PM
  #23  
TrailerPark Hero
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These are the parts I ran on my 85 while I saved up for a crate motor . The car ran really well and never had any problems . I’ve since put in a new engine but took the same setup and put it in a 72 Nova but with a Quick Fuel 793-Br-67207 carburetor and it runs just as good .Edelbrock 5089 e street heads
Edelbrock 2101 intake
Comp cams 12-262-4
Holley Sniper EFI
Pressure / vacuum switch combo to control torque converter lockup .







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