GM files trademark for LT5, next Z28 engine? - Page 10

hotlap · 12-22-2016, 10:05 PM

Quote:

Originally Posted by Bhobbs

I believe Y is the code for Corvette, so this could be for the big wing car we see being tested.

You are correct. Corvette is Y book code.

6.2L DOHC is going to be an animal. You'd expect it to be huge but if it fits the C7 it will fit in a Z/28.

*DGthe3* · 12-22-2016, 10:20 PM

Odd. The Camaro is 'F' code, but there isn't a single F coded engine listed. It should be in with the LTG, LGX, LT1, and LT4. At first I thought that the Camaro was lumped in with the ATS & CTS under 'A', since they're all on the Alpha platform. But Camaros are still F-bodys, technically, and yet according to that list ... they don't get any engines.

Oh also ... looks like either the CT6 or some new Omega based car is getting the LT4 next year (code 'K')

hotlap · 12-22-2016, 10:23 PM

Camaro is Book A

LT4: A, Y, K
LT1: A, Y
LT5: Y

*DGthe3* · 12-22-2016, 10:32 PM

Quote:

Originally Posted by hotlap

Camaro is Book A

LT4: A, Y, K
LT1: A, Y
LT5: Y

Ah ... did not notice 'book A'. Just saw the F in the VIN code, and the string of F's for the models. Now it makes sense.

Well, LT4 for 'K' (Omega) cars is still interesting.

TJay74 · 12-22-2016, 10:37 PM

Another thought could be this. Since the rumor has ran around for some time over the Corvette "Zora", the possibility is that the production code for the next gen Vette that the LT5 will go in has not been decided as of yet.

Also, during the testing phase for the Z/28 nothing has to be public knowledge while they are under the testing mules. The powertrain certifications can be done in mules as well since GM will only need to certify the powertrain for production.

hotlap · 12-22-2016, 10:42 PM

Quote:

Originally Posted by DGthe3

Ah ... did not notice 'book A'. Just saw the F in the VIN code, and the string of F's for the models. Now it makes sense.

Well, LT4 for 'K' (Omega) cars is still interesting.

Hmmm. That is interesting. CTS is also book A

NemesisC5 · 12-22-2016, 10:44 PM

For a DOHC engine 6.2L is fairly large displacement. If build with the titanium components of the LF4 this LT5 could be quite a thoroughbred.

http://gmauthority.com/blog/gm/gm-engines/lf4/

doc7000 · 12-23-2016, 02:23 AM

Before anyone gets excited I remember some time ago we got a look at this list and there were things wrong with it, I believe it showed the LT1 engine as being DOHC as well..... and we all know that isn't what happened.

With that said I honestly expect the recently shown off 535/470 engine shown off in crate form as being the engine in the Z/28 Camaro.

SSport16 · 12-23-2016, 08:38 AM

If I had to guess, I would say this LT5 engine would be in the next Vette, C8. Doubt it will debut in the middle of the 6th gen Camaro. 7th gen Camaro will probably get this engine in the SS, just a guess of course.

*DGthe3* · 12-23-2016, 10:12 AM

Quote:

Originally Posted by doc7000

Before anyone gets excited I remember some time ago we got a look at this list and there were things wrong with it, I believe it showed the LT1 engine as being DOHC as well..... and we all know that isn't what happened.

With that said I honestly expect the recently shown off 535/470 engine shown off in crate form as being the engine in the Z/28 Camaro.

If it doesn't meet OEM emission standards in all 50 states, the chances are approximately 0 for that engine being used for the Z/28. Only hope would be as an 'off-road use only', non-registerable track car like the COPOs

Bhobbs · 12-23-2016, 01:58 PM

A 6.2 DOHC is going to be massive and heavy. Let's hope GM can keep the weight in check.

*Mr. Wyndham* · 12-23-2016, 04:39 PM

I've chewed on this since I read it earlier today....

Why "LTx"...if it's DOHC? That requires an entirely new block, heads, valvetrain, etc....it's NOT a Gen V V8....it's something new, different why maintain the same naming structure? It would be the first GM engine to deviate from the "family naming convention" in a long time. I think Doc might be on to something...

BahamaTodd · 12-23-2016, 05:27 PM

Quote:

Originally Posted by Mr. Wyndham

I've chewed on this since I read it earlier today....

Why "LTx"...if it's DOHC? That requires an entirely new block, heads, valvetrain, etc....it's NOT a Gen V V8....it's something new, different why maintain the same naming structure? It would be the first GM engine to deviate from the "family naming convention" in a long time. I think Doc might be on to something...

They might just be doing what they did with the original LT5. That wasn't based on the small block at the time either.

hotlap · 12-23-2016, 05:39 PM

Quote:

Originally Posted by Mr. Wyndham

I've chewed on this since I read it earlier today....

Why "LTx"...if it's DOHC? That requires an entirely new block, heads, valvetrain, etc....it's NOT a Gen V V8....it's something new, different why maintain the same naming structure? It would be the first GM engine to deviate from the "family naming convention" in a long time. I think Doc might be on to something...

It would be consistent with the original 1990 LT5 used in the ZR1. Other than the bore spacing, it had nothing in common with the LT1.

12-22-2016, 10:20 PM	#128
DGthe3 Moderator.ca Drives: 05 Grand Am GT Join Date: Jul 2007 Location: Niagara, Canada Posts: 25,372	Odd. The Camaro is 'F' code, but there isn't a single F coded engine listed. It should be in with the LTG, LGX, LT1, and LT4. At first I thought that the Camaro was lumped in with the ATS & CTS under 'A', since they're all on the Alpha platform. But Camaros are still F-bodys, technically, and yet according to that list ... they don't get any engines. Oh also ... looks like either the CT6 or some new Omega based car is getting the LT4 next year (code 'K') __________________ 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

12-22-2016, 10:23 PM	#129
hotlap Drives: 20 1LE 2SS M6 Rally Green Join Date: Mar 2014 Location: Franklin WI Posts: 6,632	Camaro is Book A LT4: A, Y, K LT1: A, Y LT5: Y Attached Images __________________ "the trouble with our liberal friends is not that they're ignorant; it's just that they know so much that isn't so.” Ronald Reagan -

12-23-2016, 08:38 AM	#135
SSport16 Drives: 2016 Garnet Red Camaro 2SS Join Date: Jul 2015 Location: North Carolina Posts: 5,435	If I had to guess, I would say this LT5 engine would be in the next Vette, C8. Doubt it will debut in the middle of the 6th gen Camaro. 7th gen Camaro will probably get this engine in the SS, just a guess of course. __________________ 2SS Camaro, Garnet Red, Adrenaline Red, NPP, MRC, A8, 5 Split Spoke Bright Silver Wheels (56W) 1100 Status - 7/24/15 (Ordered) 3800 Status - 10/13/15 (Built) 6000 Status - 12/22/15 (Delivered)

12-23-2016, 01:58 PM	#137
Bhobbs Drives: 2015 SS 1LE Red Hot, 1970 Chevelle Join Date: Apr 2012 Location: Chino, CA Posts: 6,989	A 6.2 DOHC is going to be massive and heavy. Let's hope GM can keep the weight in check. __________________

12-23-2016, 04:39 PM	#138
Mr. Wyndham I used to be Dragoneye... Drives: 2018 ZL1 1LE Join Date: Jan 2007 Location: Buffalo, NY Posts: 31,876 View My Garage	I've chewed on this since I read it earlier today.... Why "LTx"...if it's DOHC? That requires an entirely new block, heads, valvetrain, etc....it's NOT a Gen V V8....it's something new, different why maintain the same naming structure? It would be the first GM engine to deviate from the "family naming convention" in a long time. I think Doc might be on to something... __________________ *"Keep the faith."* - Fbodfather

12-22-2016, 10:37 PM	#131
TJay74 Drives: 17 Camaro SS 1LE & 16 Sierra AT CC Join Date: Nov 2016 Location: Norman, OK Posts: 2,424	Another thought could be this. Since the rumor has ran around for some time over the Corvette "Zora", the possibility is that the production code for the next gen Vette that the LT5 will go in has not been decided as of yet. Also, during the testing phase for the Z/28 nothing has to be public knowledge while they are under the testing mules. The powertrain certifications can be done in mules as well since GM will only need to certify the powertrain for production.

12-22-2016, 10:44 PM	#133
NemesisC5 Drives: 1999 Corvette C5 Join Date: Oct 2013 Location: TEXAS Posts: 52	For a DOHC engine 6.2L is fairly large displacement. If build with the titanium components of the LF4 this LT5 could be quite a thoroughbred. http://gmauthority.com/blog/gm/gm-engines/lf4/

12-23-2016, 02:23 AM	#134
doc7000 Drives: 2004 Pontiac Grand Prix Join Date: Oct 2010 Location: Lomita,CA Posts: 806	Before anyone gets excited I remember some time ago we got a look at this list and there were things wrong with it, I believe it showed the LT1 engine as being DOHC as well..... and we all know that isn't what happened. With that said I honestly expect the recently shown off 535/470 engine shown off in crate form as being the engine in the Z/28 Camaro.

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