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Old 04-30-2012, 08:56 PM   #19
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Told ya the rods where the first to go lol. Thanks to for getting that Dyno. Be sure to add your info to my durability thread when u get a chance. You pushed it further than i did by 2 psi. At 10psi after awhile I burnt up my valves. How are yours?
Valves and rings were in good condition. I kept it running rich and cool. About 13:1 for cruzing and 11.5:1 for wide open throttle. If it runs to lean U burn valves and rings. My compression was 155 to 160psi on all except the one with the bent rod.
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Old 04-30-2012, 09:04 PM   #20
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CP 9.5:1 pistons, Pauter rods and a new clutchmasters fx300 clutch ordered today from Micro Image. And now Im broke.
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Old 04-30-2012, 09:19 PM   #21
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Did you post the dyno chart from your mustang run?
I did not post the Dyno chart from that run. They forgot to print it. My second run after the car warmed up was 193whp. And thats the one they printed. I can assure U it did 197whp. I did 183whp at 10psi and the print out is posted on my other thread on page 25.
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Old 04-30-2012, 10:32 PM   #22
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And now Im broke.
Broke, but that first time that you drive it with the upgraded internals you know that you will have a shit eating grin on your face
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Old 04-30-2012, 10:46 PM   #23
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ooh you went 9.5:1 -- NICE...

sorry about the broke part...
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Old 04-30-2012, 10:47 PM   #24
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I don't think CTScott was doubting you, I think he wanted to see the chart.
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Old 05-01-2012, 12:53 AM   #25
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Originally Posted by pimp my yaris View Post
CP 9.5:1 pistons, Pauter rods and a new clutchmasters fx300 clutch ordered today from Micro Image. And now Im broke.
wow your build progress just never ends does it,
i myself just pulled a stock zage kit and going just low boost but now you upgraded internals. your internal upgrading thread would be a very very educative as your kit installation build had been.

2 thumbs up for you...
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Old 05-01-2012, 02:00 AM   #26
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I've always wondered this and could probably use to read about a bit but... How is the engine going to perform with lower compression on stock management?
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Old 05-01-2012, 05:31 AM   #27
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Well lower compression will make a lazy engine off boost. I drive a very low compression engine 4efte with 7.8:1 compression[stock management and not tuned yet, at 0.5bar td05].A bit lazy offboost but when on boost it does fly :).

I would assume that 9.5:1 would be much better a drive.
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Old 05-01-2012, 07:44 AM   #28
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I was going to stick with stock compression ratio on the advise from my friend who is helping me with the engine bulid. He has a 1000hp supra that runs on E85 alcohol. He is building a 2jz supra motor with stock compression and ridiculous boost levels "30psi+". Because E85 has less problems with detonation. He was trying to get me to run E85 in my car.

I decided to go lower compression and stick with gas as my engine wont be sleeved for crazy horsepower and I drive long distances where E85 may not be available.
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Old 05-01-2012, 11:50 AM   #29
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^ Plus the work of changing out fuel lines and such, it's a pain. I opted not to go that way also. The compression you've chosen isn't a lot lower, it won't be very noticeable off boost, and you'll be able to run more boost. It will make tuning easier.
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Old 05-01-2012, 07:23 PM   #30
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Old 05-01-2012, 07:25 PM   #31
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Oil change. THE HARD WAY.
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Old 05-01-2012, 07:33 PM   #32
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Old motor boxed up. Head good, Bearing journals and crank good. I will save her for a rainy day and then mabe send her out to get sleeved at Golden Eagle. They can remove the part of cyl. 3 that cracked off and make her stronger then ever.

Oh, if I only had more money. Someday
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Old 05-01-2012, 09:23 PM   #33
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True, although it is the instantaneous force of the combustion explosion pushing against the crank before the rotation occurs that does the damage, as that peak force can be in excess of 6000 lbs. That force is the pressure within the cylinder at combustion multiplied by the area of the piston and by the sine of the angle of the rod at TDC (which is about 10 degrees). So, if that force peaks high enough either the bearing or rod will fail.
yea, detonation will kill rods at any power... I meant considering a bad tune not being the culprit .
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Old 05-01-2012, 09:25 PM   #34
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Old motor boxed up. Head good, Bearing journals and crank good. I will save her for a rainy day and then mabe send her out to get sleeved at Golden Eagle. They can remove the part of cyl. 3 that cracked off and make her stronger then ever.

Oh, if I only had more money. Someday
Those storage tubs are great, I use those a lot for motor teardowns!
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Old 05-01-2012, 10:22 PM   #35
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We will have it up and running again soon!!!
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Old 05-04-2012, 01:30 AM   #36
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is that the picture of a used engine you got to replace the original broken one?

how much does it cost for a block like that, over there?
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