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| sourbastard |
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Hey guys, as some of your know, I'm building a 5.0 with edelbrock heads, a crane 2030 and at the moment a stock bottom end.
The rpm heads have 2.02 valves, and after a quick check of PTV with clay, it seems quite obvious that there will be a collision! The cost of fly cutting the pistons is about the same as getting a new set of hyper pistons, but the question is, which pistons? Does anyone know which pistons have reliefs big enough for a 2.02 valve? I found these on summit, http://store.summitracing.com/partdetai ... w=1&N=700+ Visually the reliefs look fine, but I have no way of 100% knowing if they will be ok. Has anyone built a motor using 2.02 valves with new pistons? and if so, what did you use?
_________________ Like a $100 note in the middle of a garbage truck. If you can get it its great but is it REALLY worth it some times? |
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| BOTTLEDUP |
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I'll check the Speedpro book on Monday, but I'm pretty sure that they'll be suitable.
We generally use SRP or Probe pistons for basic deals, or JE, CP or Diamond for top shelf builds
_________________ TE50 T1 P01 |
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| sourbastard |
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{USERNAME} wrote: I'll check the Speedpro book on Monday, but I'm pretty sure that they'll be suitable.
We generally use SRP or Probe pistons for basic deals, or JE, CP or Diamond for top shelf builds if you can find anything with suitable reliefs that doesnt add 8cc to the combustion chamber, that would be great as well.
_________________ Like a $100 note in the middle of a garbage truck. If you can get it its great but is it REALLY worth it some times? |
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| richie |
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I have RPM heads #60259 with 2.02 valves / 2031 cam / Crane Gold Race 1.7 RR and am using ACL race series pistons - PVC room to spare. They have decent reliefs.
Richie.
_________________ 1993 ED F/mont 5.0L, Auto, Edelbrock RPM's, CompCam XE276HR, Crane Gold Race 1.7's, Edelbrock Performer, 75mm T/B, MAP, 42lb , GenIII coils, PH4000's , Twin 2.5", Thermos & underspeeds, 3.7 LSD, 2800 stall and MoTec M800, 372fwhp @ 5400rpm & 387 ft-lb @ 4400 rpm. |
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| BOTTLEDUP |
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Just checked in, the Speed Pros are designed to clear a 2.02, like I said we prefer the SRPs but these will work
_________________ TE50 T1 P01 |
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| sourbastard |
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thanks for your help guys!
_________________ Like a $100 note in the middle of a garbage truck. If you can get it its great but is it REALLY worth it some times? |
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