Prototype Engines - Page 2 - ZR-1 Net Registry Forums

tomtom72 · 02-08-2011

Quote:

Originally Posted by USAFPILOT

I just wonder if that Gen II LT5 would actually be GM'snew line of DOHC engines that were cancelled a while back. Were they bringing it back or were they just doing something different with the Northstar V8?

This is just my opinion to your Q. I drove one of those STSv's w/the blown N* and I thought for a fairly big car it was pretty good. I drove it for about 15 minutes so what can I say. I also never drove anything that was forced induction so what would I really know, right?

I guess money troubles could have been the cause of the LT5 and the N*'s death and lack of development? I'm thinking that the LT5 program from 86 was allowed to go forward to help not just corvette, but also to maybe show the way to the Olds & Caddy guys how to do a DOHC/4V motor? The Aurora & N*'s came after our LT5 was ready for production, right? I figure that the corvette guys broke the trail & smoothed the way for the Olds & Caddy guys? I mean why waste $$ on three development programs right?

Z51JEFF · 02-12-2011

Quote:

Originally Posted by USAFPILOT

I'd like to think that Lotus probably owns the rights to the design of that LT5, but maybe GM is waiting for the patent to expire or something. I hope they go back to the DOHC with the next gen vette. Didn't they shelve plans to build a new DOHC family of engines right when the economy tanked and they took all the money from the fed to stay in business? I bet we see that ramp back up again soon.

I would venture to say that G.M. owns EVERY aspect of the LT5.

A1990 · 02-12-2011

Quote:

Originally Posted by bdw18_123

Cool picture, A1990! I've never seen a picture of a gen II LT5. Wasn't even sure if any of those motors existed. Got anymore pics of it?

Check out issue 14, June 2008 of the Heart of the Beast. Lots of pictures and information on the engine. It was variable cam timing...

xlr8nflorida · 02-12-2011

Would make a good Yacht Anchor! Looks kinda heavy

bdw18_123 · 02-12-2011

Quote:

Originally Posted by A1990

Check out issue 14, June 2008 of the Heart of the Beast. Lots of pictures and information on the engine. It was variable cam timing...

Well, I would but I don't have any of those. 2008 was before I had a ZR-1.

ScottZ95ZR1 · 02-13-2011

Newsletters back to 2004 are available in the members section.

WB9MCW · 02-13-2011

bdw18_123 · 02-13-2011

Thanks for posting up those pics, WB9MCW!

cvette98pacecar · 06-23-2011

Now that engine would be a lot easier to keep clean.

Kevin · 06-23-2011

non-factory prototype but does anyone know what came of:

02-12-2011	#14
xlr8nflorida Join Date: May 2008 Location: USA Posts: 1,096	Re: Prototype Engines Would make a good Yacht Anchor! Looks kinda heavy

02-13-2011	#16
ScottZ95ZR1 Join Date: Mar 2008 Location: Pendleton, IN Posts: 659	Re: Prototype Engines Newsletters back to 2004 are available in the members section.

02-13-2011	#17
WB9MCW Join Date: Dec 2003 Location: McHenry, Il. Posts: 6,607	Re: Prototype Engines __________________ http://i119.photobucket.com/albums/o...9mcw/SIG-2.jpg http://i119.photobucket.com/albums/o128/wb9mcw/vcm.gif "The Budget should be balanced, the Treasury should be refilled, public debt should be reduced, the arrogance of officialdom should be tempered and controlled, and the assistance to foreign lands should be curtailed, lest Rome will become bankrupt. People must again learn to work instead of living on public assistance." - Cicero, 55 BC " We the people are the rightful masters of both Congress and the courts, not to overthrow the Constitution but to overthrow the men who pervert the Constitution." - Abraham Lincoln Last edited by WB9MCW; 02-13-2011 at 06:29 AM.

02-13-2011	#18
bdw18_123 Join Date: Apr 2009 Location: Prather, CA Posts: 809	Re: Prototype Engines Thanks for posting up those pics, WB9MCW! __________________ [IMG]http://i13.photobucket.com/albums/a292/bdw18_123/_zr1netforumsigphoto.jpg[/IMG][B] 1990 Corvette ZR-1 [/B][I] White/Flame Red, #2299, mostly stock, 144K miles.[/I] -Cams timed to the '93-'95 405HP LT5 stock timing. -IAT sensor relocated to below front bumper. -Haibeck hoops installed in airduct. -OBX cat-back exhaust. [COLOR=DarkRed][B](SOLD - December 2012 [/B][/COLOR][COLOR=DarkRed][B]:hello:)[/B][/COLOR] 1993 Corvette Coupe Black/Black, 6-speed (SOLD - October 2009 :hello:)

06-23-2011	#19
cvette98pacecar Join Date: May 2011 Location: Sydney, Australia Posts: 2,479	Re: Prototype Engines Now that engine would be a lot easier to keep clean.

06-23-2011	#20
Kevin Join Date: Jun 2005 Location: pittsburgh Posts: 4,632	Re: Prototype Engines non-factory prototype but does anyone know what came of: __________________ It's not the car, it's the people - Doug Johnson 90 r/r "KEYS ON" nick named "T.L.B"