tfs 215 59cc,, vrx4 cam results
05-29-2013, 12:53 PM
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tfs 215 59cc,, vrx4 cam results After a lot of reading and comparing I have decided to go with tfs 215 milled to 59 cc and port match my fast 102. I will be using my current cam VRX4. My current mod list is as follows:
vrx4 228 230 .588 .592
ud pulley
stock ls6 intake
p/p stock tb
hawks long tube with magnaflow cb
4l60e yank ss3600
It made 367 rwhp and ran a best of 11.62 @117 with 18" z06 all around on nitro 555r's
New adds are as follow:
tfs 215 milled 59cc
stock rockers with trunion upgrade
fast 102 port matched
102 ptm
100mm maf
cutout
I would like to thank all of those who helped me out along the way! Once again the crew at RPM was great, especially Chris!!!! he was able to squeeze out 477.96 rwhp and 431.41 tq. I am very pleased as I was expecting somewhere in the 430's. Thanks again to everyone, especially Ron at vengeance racing, Ryan and Chris at RPM, and Mike at T.E.A. I will try to scan the dyno sheet and post it up.
********rwhp 477.96 431.41 ft tq.
vrx4 228 230 .588 .592
ud pulley
stock ls6 intake
p/p stock tb
hawks long tube with magnaflow cb
4l60e yank ss3600
It made 367 rwhp and ran a best of 11.62 @117 with 18" z06 all around on nitro 555r's
New adds are as follow:
tfs 215 milled 59cc
stock rockers with trunion upgrade
fast 102 port matched
102 ptm
100mm maf
cutout
I would like to thank all of those who helped me out along the way! Once again the crew at RPM was great, especially Chris!!!! he was able to squeeze out 477.96 rwhp and 431.41 tq. I am very pleased as I was expecting somewhere in the 430's. Thanks again to everyone, especially Ron at vengeance racing, Ryan and Chris at RPM, and Mike at T.E.A. I will try to scan the dyno sheet and post it up.
********rwhp 477.96 431.41 ft tq.
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05-30-2013, 10:03 AM
#9
Your first numbers with just the cam and other bolt on mods seems very low. Most would say that it's due to a low reading dyno, but your current numbers with the TFS heads and FAST intake prove otherwise, as they seem to be right on par with what a car should make given those same mods. Could it be that the 1st tuner who tuned the car after the cam swap didn't get as much out of the car as he should have?
05-30-2013, 03:30 PM
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Thanks guy,
yes, the cam only dyno was with the converter unlocked and the 477.96 was with the converter locked. After the second pull I asked if he could make a pull with the converter unlocked just to see what the difference was and he did. The second pull made 471 locked and 452 unlocked (19 hp) . He made 477 on the 4th pull but didnt make a unlocked pull, but it should have been somewhere in the 459 range. I still think that that is good for a small cam and auto.
For some reason I cant upload the dyno sheet. IF someone is willing to try to do it for me let me know and I will email it to you.
yes, the cam only dyno was with the converter unlocked and the 477.96 was with the converter locked. After the second pull I asked if he could make a pull with the converter unlocked just to see what the difference was and he did. The second pull made 471 locked and 452 unlocked (19 hp) . He made 477 on the 4th pull but didnt make a unlocked pull, but it should have been somewhere in the 459 range. I still think that that is good for a small cam and auto.
For some reason I cant upload the dyno sheet. IF someone is willing to try to do it for me let me know and I will email it to you.
