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12-18-2011, 01:43 AM | #463 |
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I have done dozens of track timeslip/vbox comparos. The ET is almost always identical to the .10 second 9 of ten times. Sometimes the timeslip will be a little quicker. The vbox almost never reads quicker. But if you can really get a consistent .10 quicker at ATCO then the Vbox, that is quicker than Sac or Famoso.
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12-18-2011, 04:02 PM | #464 | |
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Drew I miss your roll on videos vs other fast cars.
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12-18-2011, 07:40 PM | #465 | |
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say the motor had done 100,000miles would the cylinder holes be round still, dont they get bigger over time and how much boost will this motor be able to take? |
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12-18-2011, 08:00 PM | #466 |
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haha, I hear you guys and completely agree, vids will come!
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16 F82 M4 DCT - ZCP - JB4 - 556WHP / 570WTQ
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12-19-2011, 01:27 PM | #467 |
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don't think i've EVER heard of anything like this happening on any motor. i understand the cylinder becoming weaker over a certain amount of time due to normal wear and tear. But never heard of a cylinder becoming "bigger over time."
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12-19-2011, 01:30 PM | #468 |
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isnt the wear and tear by defenition removing material from the cylinder walls so in effect making the bore bigger? hence the need to bore and sleeve and/or go with larger rings.
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12-19-2011, 01:34 PM | #469 |
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you could be very correct sir... i've just never heard anyone saying it that way. "i have 100,000 miles and my clyylinders are a lot bigger so i have to replace the cylinder walls."
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12-19-2011, 02:22 PM | #470 |
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i agree strange way to phrase it.
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12-20-2011, 01:12 AM | #471 |
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yes thats a better way to put it!! so can you go with bigger rings and not need to sleeve the motor, iv seen gintani put sleeves in there stage 3 motors i would think its a good idea if you wanted to run big boost
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12-20-2011, 05:43 AM | #472 |
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We measure the cylinders to ensure proper specification before assembly. If any problem is found a new block will be sourced. Boring and rehoning a Alusil cylinder is a process which rarely ends up well in terms of cylinder seal quality. Sleeving can be done, however there are several drawbacks and potential issues with installing sleeves in an engine like this. The best solution in our opinion is to reuse the stock Alusil bore, retain the structural integrity of the block and run custom designed Mahle LC pistons designed for boost with OEM grade PWC and piston coating. It is an expensive solution, but the end result is an engine that runs like a stock motor with no durability compromises or excessive oil consumption/engine noise.
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12-20-2011, 01:56 PM | #473 |
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I've put close to 2K miles on the car since the Stage 3 build, the oil level indicator has not moved and I have not had to add any oil yet.
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12-20-2011, 03:21 PM | #474 | |
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12-20-2011, 03:24 PM | #475 | |
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my friend had to top his c63 up every 2 weeks hahaha |
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12-20-2011, 06:38 PM | #476 | |
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PG told me that the machine shop who bores all of the stroker motors for RD Sport refused to sleeve the S65 block when PG asked about it. By the time PG asked about sleeving in mid-2010, the machine shop had already bored 8 or 9 S65 strokers. They said the S65 block is very strong, but sleeving it would weaken it too much and they refused to do it. PG asked Dinan the same thing and got the same answer. PG then asked the his race shop buddies their advice (same guys he chose to build his motor), and after looking at the S65 block, they advised against it as well. After hearing three recommendations against it, PG decided it wasn't a good idea to ignore all three recommendation and he decided against sleeving the block. Last edited by IMG; 12-21-2011 at 10:09 AM.. |
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12-20-2011, 09:57 PM | #477 |
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Here's a dyno and speedo pull -
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16 F82 M4 DCT - ZCP - JB4 - 556WHP / 570WTQ
08 E92 M3 DCT - Bolt Ons - 60-130MPH 10.71s - 11.88 @ 118MPH - 377WHP ESS VT2-625 SC 60-130MPH 6.80s - 11.30 @ 129.3 MPH 586WHP / 379WTQ ESS VT3-750 - 60-130MPH 6.14s - 10.81 @ 135.13 MPH 690WHP/463WTQ Shift-S3ctor E92 M3 - 1/2 Mile Trap Speed WR - 174.13 MPH |
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12-20-2011, 10:11 PM | #478 |
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Nice! That 60-130mph looks fairly close to around 6 seconds. Were you able to top your VT2-625 times?
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12-21-2011, 04:01 PM | #481 |
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we can do better... i'll be back just after christmas so we definitely need to hit the alley haha
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12-22-2011, 01:16 AM | #482 | |
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