Carrillo pro-SA
May 16, 2018, 01:04 AM
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Carrillo pro-SA
Hi,
How many whp can handle the Carrillo pro-SA rods for 4g63 to compare with pro-H? I am planning to do 400 whp and don't know which is to use, the main focus is a weight:
pro-H = 574g
pro-SA = 530g
May be someone have an experience with pro-SA rods?
Regards
Pavlo
How many whp can handle the Carrillo pro-SA rods for 4g63 to compare with pro-H? I am planning to do 400 whp and don't know which is to use, the main focus is a weight:
pro-H = 574g
pro-SA = 530g
May be someone have an experience with pro-SA rods?
Regards
Pavlo
May 16, 2018, 08:39 AM
#7
to see the entire wrist pin in oil pan means piston was destroyed. My guess is that cylinder ran completely lean and exploded with a vengeance where piston melted on it's way down and made obscene amount of torque to snap the rod. Bad tune mixed with fuel problem is my guess.
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May 16, 2018, 09:14 AM
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This happened at the launch start with disconnected clutch! It is my tune (Link fury ecu), and no any issues during all years until it happens. According to the log files from ecu, everything fine, no knock or lean afr, but boost pressure at launch start surge up to 24 psi, maybe this is a reason.
May 16, 2018, 10:02 AM
#9
This happened at the launch start with disconnected clutch! It is my tune (Link fury ecu), and no any issues during all years until it happens. According to the log files from ecu, everything fine, no knock or lean afr, but boost pressure at launch start surge up to 24 psi, maybe this is a reason.
What were your timing at launch? What is your torque curve? My guess is your boost surge went into untuned map area where timing is probably too aggressive and/or fuel wasn't enriched enough to even give you knock warnings (too severe where engine had no chance of surviving). Remember, afr doesn't give you readings of each cylinder. It is a blend of all cylinders.
Look at the damage in your block. Look for signs of where the rod wedged up into block coming on upstroke where it snapped the rod. I suspect that the detonation destroyed your piston where rod wrist pin was released and wrist pin side wedged and snapped rod.
May 17, 2018, 02:18 AM
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get your injectors tested. Make sure you label them to know which was where.
What were your timing at launch? What is your torque curve? My guess is your boost surge went into untuned map area where timing is probably too aggressive and/or fuel wasn't enriched enough to even give you knock warnings (too severe where engine had no chance of surviving). Remember, afr doesn't give you readings of each cylinder. It is a blend of all cylinders.
Look at the damage in your block. Look for signs of where the rod wedged up into block coming on upstroke where it snapped the rod. I suspect that the detonation destroyed your piston where rod wrist pin was released and wrist pin side wedged and snapped rod.
What were your timing at launch? What is your torque curve? My guess is your boost surge went into untuned map area where timing is probably too aggressive and/or fuel wasn't enriched enough to even give you knock warnings (too severe where engine had no chance of surviving). Remember, afr doesn't give you readings of each cylinder. It is a blend of all cylinders.
Look at the damage in your block. Look for signs of where the rod wedged up into block coming on upstroke where it snapped the rod. I suspect that the detonation destroyed your piston where rod wrist pin was released and wrist pin side wedged and snapped rod.
Timing at launch -15 (single zone) with launch control fuel trim map (axis setup = TP & RPM)
May 17, 2018, 07:41 AM
#12
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Originally Posted by pasha11
Any one more have an experience with the Carrillo pro-SA rods?
May 17, 2018, 08:14 AM
#13
Somehow your cylinder shattered your piston. To me, I would look for the cause to make sure it doesn't happen again. Sure, you can replace wirh stronger rods, but if pistons failed first your problem is still there and new pistons could fail the same way. GL
May 17, 2018, 09:37 AM
#14
I have them on 2 Evos, 1 with EFR8374 2.3 on E85.
Stock rods have lived in 600whp Evos, maybe not for ever, but also likely the motor did not break a rod- it wore stock piston rings as OEM pistons run 0.001" PTW and when it gets HOT there is too much friction with nowhere to expand.
I personally have run stock block on HKS740 on E85 29psi for at least 40K miles, with zero issues.
Full boost 29psi by 3300-3350rpm, somewhat of a dampened spool to help minimize torque spike, but still its a spike.
At 360whp, your issue is detonation: detonation is so tremendous spike in pressure that no turbo will stress anything like it. It could be tune and it could be injector that does not flow as it should, we don't know. But its not an issue with stock rod, likely aftermarket rod would not fare much longer much better.
So buy pro-Sa with confidence, they make for ultra light rotating assembly, especially when combined with Mahle pistons.
Stock rods have lived in 600whp Evos, maybe not for ever, but also likely the motor did not break a rod- it wore stock piston rings as OEM pistons run 0.001" PTW and when it gets HOT there is too much friction with nowhere to expand.
I personally have run stock block on HKS740 on E85 29psi for at least 40K miles, with zero issues.
Full boost 29psi by 3300-3350rpm, somewhat of a dampened spool to help minimize torque spike, but still its a spike.
At 360whp, your issue is detonation: detonation is so tremendous spike in pressure that no turbo will stress anything like it. It could be tune and it could be injector that does not flow as it should, we don't know. But its not an issue with stock rod, likely aftermarket rod would not fare much longer much better.
So buy pro-Sa with confidence, they make for ultra light rotating assembly, especially when combined with Mahle pistons.
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