Can you boost 11.3cr?
Can you boost 11.3cr? I just had an engine built for my car and i thought i would be happy with it na but it's not enough power. I am thinking about spraying it but for now it is my dd so i was thinking of a low boost setup. Can you run boost with cr that high, also i was thinking of maybe converting to e85. There is a station right next to me that carries it, so i have easy access to it. It is an l92 block with a forged rotating assembly. Callies crank and rods with mahle pistons. Also how much extra power am i looking at? I'm around 500rwhp right now.
Power is limitless with FI. How many CCs are the chambers in your heads? How thick is your head gasket? Have your chambers opened up as much as possible and run a REAL thick head gasket. Get the comp. ratio to around 10:1 then boost her. That's what I'd do at least.....in your situation. 8.5---9.2:1 is more ideal though IMO.
cc's are stock so i think 70cc's. How much would getting the chambers hogged out drop my compression? Plus wont that screw up the quench and all that?
I know the compression should be low, but i already have a built engine and it's in the car so i dont want to pull it back out and have it built low comp just yet. Plus the stock ls2 is 10.9cr and people boost the **** out of it. I have a forged rotating assembly so i figured i could run a decent amount. Plus the lopey cam should bleed off some of the compression right?
Cam specs are 238/242 605/615 113lsa.
I just want to see how much i can run and if i could get anywhere near 700rwhp if right now i'm at 500rwhp.
I know the compression should be low, but i already have a built engine and it's in the car so i dont want to pull it back out and have it built low comp just yet. Plus the stock ls2 is 10.9cr and people boost the **** out of it. I have a forged rotating assembly so i figured i could run a decent amount. Plus the lopey cam should bleed off some of the compression right?
Cam specs are 238/242 605/615 113lsa.
I just want to see how much i can run and if i could get anywhere near 700rwhp if right now i'm at 500rwhp.
I would think you could run arond 10 to 12 psi pretty easy with a meth injection. I am running 10psi on a LS6 stock long block. Making close to 600rwh. There are a few people in the Corvetteforum. running near 700rwh on stock LS6.
You don't need near as much boost to make the same power. Kinda like a set of AFR heads over stock 317 castings - you'll make more power at the same boost level with the better head. I'm not sure about the e85 stuff, but if you keep regular prem unleaded in it, lower the compression to at least to below 11:1 if possible, if not I would imagine that 8psi of good intercooled boost on that motor would make some pretty stout power and still be very safe.
E85 is pretty good stuff to use not needed but if you can support it go for it . As for compression ratio answer if your going turbo or supercharger.
I know of alky motors running 13.1 with 22 psi of boost so thinking you be safer with e85 but cant say how much
I know of alky motors running 13.1 with 22 psi of boost so thinking you be safer with e85 but cant say how much
I just had an engine built for my car and i thought i would be happy with it na but it's not enough power. I am thinking about spraying it but for now it is my dd so i was thinking of a low boost setup. Can you run boost with cr that high, also i was thinking of maybe converting to e85. There is a station right next to me that carries it, so i have easy access to it. It is an l92 block with a forged rotating assembly. Callies crank and rods with mahle pistons. Also how much extra power am i looking at? I'm around 500rwhp right now.
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E85 and a good tune will allow you run a fair amount of boost. I would also suggest a SD tune rather than a MAF tune. Running that much compression will make the motor sensitive to changes caused by weather conditions. A SD tune will greatly help the car adjust to those changes.
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Straight pump gas, maybe 3 or 4 psi. With methanol 5 to 6 psi. That is on the safer side. That high of static compression is going to tricky to handle detonation. E85 has the same affect as running 104 unleaded. With that high of compression, I would not push more than 5 psi unless I was using E85 or 104 unleaded.
