One of my clients is at that level now. Mahle pistons, stock rods, ARP rod bolts, ported head, custom hybrid KO4, Stage 3 + meth. He beats on it pretty regular and I tuned it a over a year ago.

 

I know, I followed your build thread. I am myself deciding if I should forge the internals or not with my turbo.

 

Same CR? Size?

 

10:1 with JCW head gasket. 47 mm compressor but shimmed for tighter clearance with a nine bladed turbine wheel instead of the usual twelve.

 

What other pistons will fit on stock rods?

 

The stock rods are tapered on the small end so will fit on any of the aftermarket piston (CP, Mahle, Supertech, Wossner, etc). All of the aftermarket rods (CP, Pauter, PEC, ZRP, etc) are straight cut on the small end to provide additional strength. At the top of the stroke the weight and speed of the piston put quite a bit of stress in this area at high RPM. Hence the reason for the extra meat.

I usually recommend upgrading the rods at the same time since your already that far into it. In the case above the engine was already modded before the client came to me for tuning.

 

You´re right... You already have engine wide open. I can get ZRP rods not that expensive.

 

ZRP and PEC are about the same price right now. Check both and pick your poison. ZRP also makes a forged 4340 chromoly crank for about $1450. Overkill for most though.

 

Thanks !!!

 

Same scenario here. I had previously been running map C often. I also had some issues that likely contributed to engine failure. I might have been running 89 octane, I might've screwed up and pumped the wrong gas.

Replacement motor is in, hybrid turbo and HFS-4 installed.

 

Wow, Im start hearing about engine failures with MAnic tunes. Can you explain a litle more what was the failure itself?

 

Hey guys, does anybody know if manic tune stage 1 lower the temps just like stage 2 manic? or at least if it is possible to do it?

 

Normally no. You would have to request it as a bespoke option but then it's the same cost as a Stage 2. The most obvious difference in the two is the temps and boost levels, There's a lot of other differences under the hood but you still get the DP CEL delete on both.

 

Tigger thank you for your kind answer. If that the case then how can someone get rid of the CEL?

 

Wow. Not sure how I missed your question. My apologies for not answering earlier. The Stage 1 will delete the CEL for a highflow or catless DP. Most tunes will.

 

are the stages and maps a sliding scale of aggressive tune, to only be moved up according to fuel and parts? Basically 6 maps. Is Map C stage 1 safe in your opinion or are the C maps sketchy both stage 1 and 2?

 

Stage 1, map C is as safe as Stage 2, map A. Boost levels are the same but performance is slightly less since it is designed for vehicles without the supporting mods a Stage 2 requires. Nonetheless, the harder you push any engine the greater the wear and tear as well as the chance of failure.

 

A: 1.3 bar, 18.8 psi
B: 1.4 bar, 20.3 psi
C: 1.5 bar, 21.7 psi

The stock S turbo can do ~18psi efficiently so map B is already pushing it a little. I wouldn't run a non-meth map C all the time without at least the JCW turbo but you're still putting more strain on the rest of the drivetrain.

 

these boost levels are for stage 1 and 2? Thanks!

 

AFAIK, yes, since stage 3 is for bigger than stock turbos. Although going from S to JCW turbo might qualify. Tuners, can a stage 2 S turbo map run a JCW turbo or is it worth a reflash?

 

My mistake. In very early Manic revisions Stage 1 map C and Stage 2 map A were both 1.3 bar. Just checked my files and the below are current. Getting old sucks.

On the MCS
Stage 0
1.2 bar only

Stage 1
A 1.2 bar
B 1.3 bar
C 1.4 bar

Stage 2
A 1.3 bar
B 1.4 bar
C 1.5 bar

On JCW's
Stage 0
1.3 bar only

Stage 1
A 1.3 bar
B 1.4 bar
C 1.45 bar

Stage 2
A 1.3 bar
B 1.4 bar
C 1.5 bar

 

extremely helpful! Looks like I'll just stick it in stage 1 map C for the time being since I believe it was tuned for 91 when I have access to 93.

 

Stage 3's are normally:
A 1.3 bar
B 1.4 bar
C 1.5 bar

But with meth some Manic tunes have been customized for higher depending on the size of the turbo.

MCS
A 1.4 bar
B 1.5 bar
C 1.6 bar

With 3.5 bar MAP sensors JCW's can go higher. For example mine is:
A 1.5 bar
B 1.6 bar
C 1.7 bar

 

Thanks! I love getting the inside scoop. So it seems that swapping an S turbo for a JCW is worth a reflash since the boost targets, among other things I'm sure, are different. BUT, would not getting it reflashed add extra insurance room since the tune isn't pushing the JCW "all the way"?

 

I recommend a reflash when upgrading the turbo. While the pressures are the same the air flow is not. A larger turbo will flow more air at the same pressure. The MCS MAF sensor tops out at ~23 lbs of air and the JCW tops out at ~26 lbs of air. This equates to 230 bhp and 260 bhp. So at higher boost level the ECU cannot use the MAF sensor to calculate fuel injector duty cycle. Instead it switches to a table that calculates it based off of RPM with MAP and another table that defines the turbo's output. I know of a few customers have made the swap without a reflash. There are timing and lambda tables for component protection, but relying on those is not the ideal solution.