JPR S2 Heads
06-03-2003, 02:39 PM
#1
Staging Lane
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JPR S2 Heads Hey guys...Just wanted to give you a little heads up if you didn't know. I just got back from Joe's shop where he flow benched his new S2 head for me. The flow numbers were:
.100 78
.200 150
.300 212
.400 255
.450 275
.500 287
.550 300
300 CFM out of an LS1 head at .550!! It was awesome so I put some on order...
.100 78
.200 150
.300 212
.400 255
.450 275
.500 287
.550 300
300 CFM out of an LS1 head at .550!! It was awesome so I put some on order...
06-03-2003, 04:21 PM
#3
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Re: JPR S2 Heads Been to Joe's shop and have seen heads after he's done...fantastic work. He's gone the extra mile to make sure you're getting the real deal, flow testing with whole intake (air box lid, maf, throttle body, etc) all held up to test as it works on the car! A few more months of saving the "fun money" and I'm treating myself to a heads/cam with JPR. 
-Dave
-Dave
06-03-2003, 04:52 PM
#4
Staging Lane
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Re: JPR S2 Heads That is exactly what I am doing....H/C Setup with him. When its all done I hope my car can make the power that his dyno charts have been showing. Somewhere in the 425-450 rwhp range. He is great guy to deal with....I would recommend to him to anyone.. 
06-03-2003, 06:25 PM
#6
Re: JPR S2 Heads Joe went the extra distance with me too when he realized that my cam was a little big for stageI heads. He landed up doing my heads as a "one off" stage I or a stage 1.5 if you will. They flowed 291 @ .550!!! I'm using these heads on my stroker!
JPR= great bang for the $buck
JPR= great bang for the $buck
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06-03-2003, 08:41 PM
#8
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Re: JPR S2 Heads Joe reworked my ARE heads and got some excellent flow numbers out of them as part of the deal for doing my 388 all-bore, of course id love to have a set of real JPR S2+ heads and see how my numbers look. For now Ill have to settle for tuning and bigger fuel injectors.
I think you will be pleased with the results. Oh, and remember, bigger cams are good
I think you will be pleased with the results. Oh, and remember, bigger cams are good
06-04-2003, 01:19 AM
#9
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Re: JPR S2 Heads I've been speaking with Joe lately and my S2 HVLD's should be in the mail enroute to my house now! I can't wait to get them on the car. I must say he is a pretty nice guy to deal with from my experience.
06-04-2003, 07:28 AM
#10
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Re: JPR S2 Heads I have a set of joe's heads aswell... here are the flow numbers off mine... 
Head Flow Numbers:
.100 75
.200 155
.300 217
.400 257
.450 277
.500 292
.550 303
.600 312
Head Flow Numbers:
.100 75
.200 155
.300 217
.400 257
.450 277
.500 292
.550 303
.600 312
I'm really anxious to get this all together. 
06-04-2003, 09:41 AM
#13
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Re: JPR S2 Heads That is what Joe recommended with this new cam. He said his worked fine for awhile, but he just lost one. Rather be safe then sorry I guess....
