05-21-2015, 08:24 AM | #29 | |
Drives: 2005 Cobalt Base - 5 speed Join Date: Apr 2015
Location: Ohio
Posts: 444
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PCV-integrated rocker covers: The patented integrated positive crankcase ventilation (PCV) system enhances oil economy and oil life, while reducing oil consumption and contributing to low emissions. The rocker covers also hold the direct-mount ignition coils for the coil-near-plug ignition system. Between the individual coil packs, the domed sections of the covers contain baffles that separate oil and air from the crankcase gases – about three times the oil/air separation capability of previous engines. In the Camaro, the system also includes a unique track PCV separator tank, which provides a significant benefit during track driving, separating liquid oil from the PCV system and returning it to the oil pan. It doesn't sound like you'll need to empty anything, as the oil should just go back to the oil pan. |
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05-21-2015, 08:27 AM | #30 |
Drives: 2017 ZL1 A10 & 2021 BMW M340i x Dr Join Date: Mar 2009
Location: Tampa
Posts: 5,110
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So, if they do a Supercharged option or do a ZL1, you think it will be a supercharged LT1?
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Sold 1967 Camaro Pro Street. Ran 10's mild BB on NOS. 2017 HyperBlue ZL1 A10 ** Born 3/17/17**Delivered 4/08/17 2020 Build: Mag2650, BTR Stage2, NW103, BG, 14% lower, 90mm upper, ARH 2" Long system w/no cats, SW Legend mufflers. **807hp/762tq on 93 gas** and **848hp/792tq on e47** Sold 2018 (Go Mango) Dodge Charger Daytona 392 Daily Driver Daily Driver 2021 BMW M340i Xdrive |
05-21-2015, 08:31 AM | #31 |
Drives: 2005 Cobalt Base - 5 speed Join Date: Apr 2015
Location: Ohio
Posts: 444
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05-21-2015, 11:10 AM | #32 | |
Drives: 14 Silverado LTZ Z71, 16 Camaro SS Join Date: Nov 2009
Location: Jackson, Michigan
Posts: 4,407
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Took damn near 20 years. |
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05-21-2015, 11:11 AM | #33 | |
Drives: 2014 Ford Mustang GT Premium Join Date: Jul 2014
Location: Greenville, SC
Posts: 269
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Quote:
The ultimate fix is port AND DI injection. Port fuel injection, just enough to keep the valves clean, and DI for everything else. Until that happens, a separator is the best they can do. |
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05-21-2015, 11:27 AM | #34 | |
Drives: 2015 SS 1LE Red Hot, 1970 Chevelle Join Date: Apr 2012
Location: Chino, CA
Posts: 6,989
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Quote:
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05-21-2015, 08:26 PM | #35 | |
Drives: 2020 ZL1 1LE Join Date: Sep 2012
Location: Austin, Texas
Posts: 1,337
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Quote:
We may still be installing a dirty side catch can to supplement the factory system as with the LS3.
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2020 ZL1 1LE [Moroso SC Expansion Tank, otherwise stock]
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05-21-2015, 11:48 PM | #36 | |
Drives: 2018 1SS M6 Join Date: Nov 2014
Location: Houston
Posts: 2,617
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05-22-2015, 07:51 AM | #37 |
Drives: 67 goat, 69 goat ram air III Join Date: Mar 2009
Location: South texas
Posts: 1,443
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As one that has been thru GMs oil consumption test and GM people telling me that 1 qt lost per 2,000 miles is normal, any GM engine I drive in the future will have a catch can. It may not solve all the issues with DI but it dang sure will not hurt the valve coking or possible piston ring clogging.
It is simple, put a catch can on and drive 3-5000 miles and see what you drain out. You will drain out oil and water mixture. Or do not put one on but inspect the throttle body area after 5000 and see if signs of oil etc...just be aware of the possibility that GM does not have it down pat. Still a good engine and better than the way complicated overhead cam engines the others use. |
05-22-2015, 08:31 AM | #38 | |
Drives: 2014 2LS (traded in) 2015 1SS 1LE Join Date: Apr 2015
Location: New York
Posts: 2,132
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05-22-2015, 09:14 AM | #39 | |||
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Drives: anything I can get my hands on Join Date: Sep 2006
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they also had horrible piston slap issues.
But that was primarily due to the manufacturing and assembly process of just grabbing any 8 pistons and just using rings to accommodate differences between cyl bore and piston size. and ask any OEM, 1qt per 3000 miles is still considered "normal" they keep that little bit to cover their ass. Quote:
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05-22-2015, 09:35 AM | #40 |
Drives: 2014 2LS (traded in) 2015 1SS 1LE Join Date: Apr 2015
Location: New York
Posts: 2,132
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Better breathing, higher redline, better torque and horsepower curve, more efficient power production..... Do I need to keep going? Anyone can google this stuff. I agree that detroit has pushed the push rod design farther than anyone thought possible but it's not an efficient design. If we're gonna go down the nostalgia road then sure pushrod is better but that the only check it has in the win column.
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05-22-2015, 10:56 AM | #41 | |||
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Drives: anything I can get my hands on Join Date: Sep 2006
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Quote:
links to your data defining your better breaking/redline/torque/hp/power/etc.?
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05-22-2015, 11:15 AM | #42 | |
Drives: 2015 SS 1LE Red Hot, 1970 Chevelle Join Date: Apr 2012
Location: Chino, CA
Posts: 6,989
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Quote:
DOHC offers more power per liter, if you live in a country which taxes displacement, and more rev friendly. It doesn't make better torque, it isn't any more fuel efficient and it is no where near as packaging friendly as a OHV engine. The OHV engine is very space efficient. As for fuel efficiency, I don't see the Mustang getting substantially better fuel economy. Saying nostalgia is the only win for pushrods is just plain ignorant.
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