View Poll Results: What do you think will power the Z/28? ( | |||
Small (5 - 5.5L range) high revving engine | 26 | 8.10% | |
LT1 with minor power bump (CAI, exhaust, etc) | 10 | 3.12% | |
Heavily reworked LT1, similar to the LS6 from the C5 Z06; ~500 hp | 65 | 20.25% | |
Large displacement sucessor to the LS7, ~550 hp | 129 | 40.19% | |
LT4, same as from the ZL1, CTS-v, and Z06 | 50 | 15.58% | |
'super LT4' with a bigger blower or turbos making 700+ | 31 | 9.66% | |
Other (please specify) | 10 | 3.12% | |
Voters: 321. You may not vote on this poll |
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05-20-2016, 02:21 PM | #1 |
Moderator.ca
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Guessing Whats Under the Z/28's Hood
We've spend quite a lot of time guessing and speculating over whats going into the Z/28 (or whatever it is that has been recently spotted at the 'ring with that huge wing).
Early on there were some thoughts that GM might go with a V6 or turbo4 but the videos that we've seen pretty much kills that idea. We might not agree on whether there is any blower whine but it clearly has V8 rumble. So here are all the general ideas that I can remember seeing:
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Note, if I've gotten any facts wrong in the above, just ignore any points I made with them
__________________ Originally Posted by FbodFather My sister's dentist's brother's cousin's housekeeper's dog-breeder's nephew sells coffee filters to the company that provides coffee to General Motors...... ........and HE WOULD KNOW!!!!__________________ Camaro Fest sub-forum Last edited by DGthe3; 05-22-2016 at 08:35 PM. Reason: added FPC to choice 1 |
05-20-2016, 02:25 PM | #2 |
Drives: 2018 ZL1 6M, Silverado High Country Join Date: Oct 2008
Location: San Antonio, Tx
Posts: 2,101
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Im thinking a large displacement NA successor to the LS7 to be called LT7. I'm thinking about 540-550hp.
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Previous Camaro's - 2002 Z28 6 spd manual, T tops, Sebring Silver - 2010 2SS 6 spd manual, Cyber Gray Metallic
Current Vehicles - 2018 ZL1 Red Hot 6 spd manual, Carbon Hood, Sunroof 2019 Silverado High Country, Daily Driver |
05-20-2016, 02:27 PM | #3 |
Drives: SS 6 speed of course Join Date: Jan 2016
Location: Hilo, HI
Posts: 4,316
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I sure it is an engine... LOL.
7 liter direct inject with an intake very similar to the MSD intake which is phenomenal. You think GM would have figured this out, the LS 6 intake, a simple redesign with enlarged plenum was so much better. The MSD just has more plenum and larger / tapered runners and it is really the best thing since sliced bread.
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Forged short block, large duration sub .600 lift Cam Motion cam, 7200 RPM fuel cut, Pray Ported Heads, 3.85 pulley D1X, stage II intercooler, DSX secondary low side, DSX E85 sensor, Lingenfelter big bore 2.0 pump, ported front cats, 60608 Borla, LT4 injectors, ZL1 1LE driveshaft and Katech ported TB, ported MSD intake, BTR valvetrain, ARP studs, ProFlow valves, PS4 tires.
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05-20-2016, 02:29 PM | #4 |
Drives: 2023Porsche Cayenne S Join Date: Jul 2010
Location: everywhere and no where
Posts: 317
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6.3 liter 550hp 7200-7500rpm redline
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05-20-2016, 02:30 PM | #5 |
Drives: 21 Bronco Join Date: Jun 2012
Location: Carol Stream
Posts: 6,024
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I originally thought LT4 bc I thought I heard blower whine. The latest videos, not sure I hear it anymore.
So I am going with heavily reworked LT1. Ala LS1 to LS6 |
05-20-2016, 02:32 PM | #6 |
Drives: 2015 SS 1LE Red Hot, 1970 Chevelle Join Date: Apr 2012
Location: Chino, CA
Posts: 6,989
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The most realistic is the LT4 but I'm not sure I hear blower whine
Second most realistic is a hot LT1, similar to the LS6, hopefully in the low 500 hp range. What I'm hoping is an LTx 7.0 in the 540-550 hp and 500 tq range.
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05-20-2016, 02:33 PM | #7 |
Drives: SS 6 speed of course Join Date: Jan 2016
Location: Hilo, HI
Posts: 4,316
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your lips to the HP god's ear.
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Forged short block, large duration sub .600 lift Cam Motion cam, 7200 RPM fuel cut, Pray Ported Heads, 3.85 pulley D1X, stage II intercooler, DSX secondary low side, DSX E85 sensor, Lingenfelter big bore 2.0 pump, ported front cats, 60608 Borla, LT4 injectors, ZL1 1LE driveshaft and Katech ported TB, ported MSD intake, BTR valvetrain, ARP studs, ProFlow valves, PS4 tires.
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05-20-2016, 02:41 PM | #8 |
Drives: Jeep Wrangler Join Date: May 2015
Location: NC
Posts: 96
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No idea what's going under the 6th gen Z/28 since I feel like it's quite awhile away. Hoping for a high-revving, NA answer to the Voodoo.
As far as the big wing car running around the 'Ring? I don't buy the premise that it's a Z/28. Everything about that car screams (literally) ZL1 variant to me, and as such, it means it must be powered by an LT4. Last edited by Sidedraft; 05-20-2016 at 02:43 PM. Reason: typo |
05-20-2016, 02:46 PM | #9 |
C'mon- really?
Drives: Looking for a ZL1 Join Date: Aug 2009
Location: Nortwestern Ohio
Posts: 1,966
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Ford threw down the gauntlet with the GT 350 and R versions. GM will most assuredly answer with a Z/28 and possibly a Z/28 R vs a ZL1 R IMO.
I cannot wait to see what it ends up being. As far as an engine guess - I'm betting it will most likely be an N/A motor based on the 6.3 and north of 550 HP (with an LTx designation) but from there it could be anyone's guess.
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Steve
2018 Camaro 2SS 1LE Black #3805 - SOLD |
05-20-2016, 03:03 PM | #10 |
Drives: 1970-1/2 Z-28, 2017 ZL1 Join Date: Sep 2012
Location: Sanford, Fl
Posts: 973
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Direct Injection version of LS7 with reworked heads. 565HP
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05-20-2016, 03:21 PM | #11 |
Drives: 2014 Z/28 #82+#192, 18ZLE 66Nova Join Date: Oct 2008
Location: By the lake in AZ
Posts: 15,719
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Lt1 blown out to 6.6+ spinning out to 7500RPM with 560 HP and 580 TQ i hope its 7.0 but think it may be less.
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05-20-2016, 03:37 PM | #12 |
Drives: 2014 2LS (traded in) 2015 1SS 1LE Join Date: Apr 2015
Location: New York
Posts: 2,132
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LT4 same as in the ZL1
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05-20-2016, 03:39 PM | #13 |
Use the Force
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All aluminum 454 LS6 with 12:1 CR, oval heads, domed forged pistons and all forged internals pushing 560HP with 610 pounds of torque and telling the bean counters and EPA types to put it where the sun does not shine. Just a thought.....
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Walk softly, carry a light saber and drive a ZL1!
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05-20-2016, 04:42 PM | #14 |
Drives: 1970-1/2 Z-28, 2017 ZL1 Join Date: Sep 2012
Location: Sanford, Fl
Posts: 973
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