CMajor
Greenie Member
Don't be a bitch; that's within spec.
Last edited:
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Don't be a bitch; that's within spec.
You say you were at only 400wtq, but I'm curious if you'd answer a few questions?Can you spot the difference?
http://s32.photobucket.com/user/Cas_Minor/media/Car pictures/8D50477B-0779-4238-8B5A-871C4EE2198D_zpskj2qtwgp.jpg.html][/URL]
1. I'd say we finished the tune about a month before it happened.You say you were at only 400wtq, but I'm curious if you'd answer a few questions?
1. How long were you at that wtq level?
2. How steep was torque ramp up and where was wtq peak?
3. Did you ever WOT under 3k in 1st-4th, 3.5k in 5th, or at all in 6th?
4. How many miles did you run that tune before the rod bend, and how many miles were on the engine?
Thx for any insight you can share.
1. I'd say we finished the tune about a month before it happened.
2. See V-dyno graph. It was pretty much perfect IMO. Peak TQ was at 5200 in the blue run and 6200 in the yellow but it was pretty much flat after 5200.
3. No
4. Not 100% sure but right around 4K after the install and on the engine I have 48K
I still think my car would be running if I hadn't messed with the settings on the WOT box. What ever I did made me over boost even with load control in the tune. I noticed my FFS and launch control stopped working the day before so I went into the WOT box settings and everything was changed from when I set them initially. I set up the settings (apparently wrong) then that night on my way home from work I went to FFS and overboosted. I didn't bend the rod that night. I felt it overboosting so I let out. I did it again but logged it happening and the tune what it was supposed to. Next day on my way to work I FFS'd 3rd-4th and didn't have time to let out before the rod bent. Hit 33 psi (targeting 28) and 9.8* of knock. I wasn't logging unfortunately and it all happened because some car was going extremely slow in front of me pretty much the entire way to work on a two lane road. They finally turned off and I let 'er rip tater chip. Obviously I should of just rear ended them to speed them up. The heartache would have been much less haha
I was not running a GA and my AFR targets at WOT are 12 so they weren't lean according to how my tune was setup. @etipp98 ran his car on the stock block at I wanna say in the 530HP/400TQ range and that block is still running today in someone else's car. I'm sure he was targeting a 12 AFR as well.Thanks for the info. I'm trying to ride out my stock block as long as possible. At my power level, I just have to keep things safe in terms of how I drive, keep my alky level up, etc. I hit ~385wtq (in cold weather) @ ~4,500.
It inspires my confidence that it appears overboost was the root issue for you. I guess you didn't run a Guardian Angel? I have one, and have it set just ~1.5psi or so over my boost target. I also notice you look a little lean in your logs; think that had an impact? I'm always in the 11.8 +/- 0.2 AFR range, and I typically trend under 12 AFR for the majority of my WOT pulls. I'm at 73k now and have been at this power level since 42k. Compression looks excellent. It actually went up after I started spraying 100% methanol (I think it cleaned out the combustion chambers and allowed more ring movement/sealing). My setup is a CM10 for extra safety, IDC relief, power equalization throughout the seasons, and valve cleaning.
That's a possibility but it would be cool just to have a drop in solution that others could just buy without having to cut or modify the stock basket. That was my overall goal with designing it. Squash performance stopped making their double pump setup sometime last year and they don't plan on making it again (I called and asked about it).Why not just run a remote pickup? That's my plan if I run the feed dry on the stock basket
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That's a possibility but it would be cool just to have a drop in solution that others could just buy without having to cut or modify the stock basket. That was my overall goal with designing it. Squash performance stopped making their double pump setup sometime last year and they don't plan on making it again (I called and asked about it).