High compression procharger options
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From: Kannapolis, NC
High compression procharger options Kicking the idea around of adding a procharger to my current setup with a solid roller 12:5.1 compression 427. Looking to add a little more WITHOUT touching anything in the motor. I have heard a nice 5psi kit would be killer on my current setup. I was looking for opinions on which kit I would need and max PSI I should be looking at. Thanks for the time.
12.5:1 will need race fuel as it is, and you want to add boost to that ?
i would try to get it down as much as possible, try to look in to heads with a bigger combustion chamber to lower the compression.
i would try to get it down as much as possible, try to look in to heads with a bigger combustion chamber to lower the compression.
Why would he bullshit us? Might not be max power on 93, but I'm not gonna call the guy a liar. I would call Bob at EPP. You can get the F-1A tuner kit and upgrade it to an F-1C. The F-1A flows 1650cfm and the F-1C flows 1850cfm. Although with you wanting such low boost the D-1SC may be a better choice for you since the F series blowers are meant for higher boost levels. Just call Bob, I'm just guessing here. Badass build though. Good luck with it.
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From: Kannapolis, NC
OK did not know it was impossible and as stated above No not max timing in it but still runs 6.60's rowing gears with a 3500 lb car. Call Nick Williams if you don't believe me but it is tru. We have tried some pump gas 100 before but not much of a difference so I keep the 93 in there and every once and a while I will throw some 100 in for track use with the same tune.
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I don't think you could lower it enough to justify procharging. stacking head gaskets seems like a bandaid fix to me. Even at his stated 5#'s. I would say dished pistons to take full advantage of procharging, or nitrous
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From: Lewisville, Texas
I wouldn't hesitate to run that motor on N20 as it is with a good tune. F/I I would say A2A D1SC.
, running it on just alcohol will be even better 
Why would he bullshit us? Might not be max power on 93, but I'm not gonna call the guy a liar. I would call Bob at EPP. You can get the F-1A tuner kit and upgrade it to an F-1C. The F-1A flows 1650cfm and the F-1C flows 1850cfm. Although with you wanting such low boost the D-1SC may be a better choice for you since the F series blowers are meant for higher boost levels. Just call Bob, I'm just guessing here. Badass build though. Good luck with it.
In this case I would say to go with the D-1SC. The 12.5/1 compression ratio 427 will not need a lot of boost to make a lot more power, and I feel the D-1SC will make for a good choice in this instance. For a low boost combination such as this one, the ProCharger twin intercoolers will work just fine.
http://www.exoticperformanceplus.com....html?item=798
Here is a link to our D-1SC kit. I can also give you a price on just the D-1SC system by itself, without the balancer, pinning kit, injectors and pump. You'll have to call us for a price on it. I would go with the Siemens 80lb injectors, and two Walbro pumps T'd together in the tank with the oem fuel lines may work. You'll be borderline on needing to upgrade to a return style fuel system. Bob
OK i just want to say , i have seen a C-4 (84-91) vette Race car, running at english town.
This car was set up very well, it was a low 9 sec car at 150 mph, not sure exactly but it did grab my attention because it was Procharged and ran without a pop, hesitation or anything and it was a very consistant car.
not sure if anyone rembers it, it was a black vett, clean, owner was selling it with everything open trailer etc.
OK not sure the blower size, but it was a intercooled procharger system , running on race gas, the motor was a 400+ ci small block i think,
owner told me the motor was 13-13.5 to one compression and at 4-5 psi the blower was just alongfor the ride.
i think with 12.5 to one, with 5 psi from a d1-sc and good intercooler set up, you would only need a super good tune and a methanol injection system.
If it was my car and set up i wouldnt boost it without a methanol injection system IMOP
This car was set up very well, it was a low 9 sec car at 150 mph, not sure exactly but it did grab my attention because it was Procharged and ran without a pop, hesitation or anything and it was a very consistant car.
not sure if anyone rembers it, it was a black vett, clean, owner was selling it with everything open trailer etc.
OK not sure the blower size, but it was a intercooled procharger system , running on race gas, the motor was a 400+ ci small block i think,
owner told me the motor was 13-13.5 to one compression and at 4-5 psi the blower was just alongfor the ride.
i think with 12.5 to one, with 5 psi from a d1-sc and good intercooler set up, you would only need a super good tune and a methanol injection system.
If it was my car and set up i wouldnt boost it without a methanol injection system IMOP
not to hijack this thread but i am interested in this as well, i just bought an 01 vette with a forged 346 but the compression is ~11:1 and was wondering if there were ways to run a blower on this without running racegas?
boost and high compression LS6 = 10.5
LS2 = 10.9
LS3 = 10.7
I have seen all of these with 7-10 psi being pushed at them, making in the 550-650 hp
Methanol injection and a good tune they will live awhile
LS2 = 10.9
LS3 = 10.7
I have seen all of these with 7-10 psi being pushed at them, making in the 550-650 hp
Methanol injection and a good tune they will live awhile
