DI for V-8's - ModernCamaro.com - 5th Generation Camaro Enthusiasts
V8 Engine Discussion 6.2L LS3/L99 V8 | Exhaust | Ignition | Induction | Intakes

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post #1 of 14 Old 07-22-2008, 04:15 PM Thread Starter
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DI for V-8's

Is there any knowledge or expectation on when DI will be coming to the small block V-8's

Last edited by petervegas; 07-22-2008 at 04:16 PM. Reason: spelling
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post #2 of 14 Old 07-22-2008, 04:23 PM
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who knows...it was brought up today on the online chat...the question was basically "why DI 6cyl and no DI 8cyl?"...and the answer was simply..."the LS3 has multi-port injection". I would imagine a DI 8cyl will be in the next generation of 'vette before the Camaro.

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post #3 of 14 Old 07-22-2008, 06:17 PM
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Or maybe some sort of Z28????

1994 Z28 Autobot

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post #4 of 14 Old 07-23-2008, 11:05 PM
 
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DI V8s should be on the next gen small blocks. I read from a fairly decent industy publication that year 2009 is supposedly the last scheduled year that any NEW GM product will launch with a GenIV V8. That can be interpreted several ways though. For example (I am making things up here), lets say that there is a 2010 release of a supercharged Z28 model. It is a new trim, but is it technically a new "model"? I would argue "no", it is still the same Camaro, so a port injected 6.2 SC engine would be feasible. All just wild speculation on my part of course. Draw your own conclusions. I am not claiming to know anything from an inside source by any means.

GM has spent a lot of money and time developing the coupe and the vert. The design was pretty much from scrap. I still cant believe they went from concept in Jan/06 to Production in Feb/09. 3 years for a full model change starting from scratch means they were going balls-to-the-wall that whole time. Very impressive. Anyways, getting to my point, my honest opinion is that there wont be a Z28 SC model like some people are hoping - at least not for the first 3yrs. Who knows, I could be proven wrong though. I know one thing for sure, and that is the fact that I wont be sitting around waiting for such a model.

Back to the topic (sorry i got off course). It seems to me that 2010 would be the first possible opportunity for anything to launch with a DI V8. And you can bet that the Corvette or a Caddy would be the first to get it. And if it ends up being the C7 Vette to get it first, then that is quite a ways off.
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post #5 of 14 Old 07-24-2008, 12:21 AM
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There will be no new GenIV engines and GenV engines will be DI capible.

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post #6 of 14 Old 07-24-2008, 09:30 AM
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Originally Posted by brandonppr View Post
There will be no new GenIV engines and GenV engines will be DI capible.
Yeah they did say that the LS3 would be the last GenIV engine made.
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post #7 of 14 Old 07-25-2008, 07:45 PM Thread Starter
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Maybe not so far off...

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Back to the topic (sorry i got off course). It seems to me that 2010 would be the first possible opportunity for anything to launch with a DI V8. And you can bet that the Corvette or a Caddy would be the first to get it. And if it ends up being the C7 Vette to get it first, then that is quite a ways off.
GM has on several occasions put the "new" engine in the old body style vette a year or two before the new body style came out... Maybe they will do it again?
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post #8 of 14 Old 07-25-2008, 08:39 PM
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Quote:
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GM has on several occasions put the "new" engine in the old body style vette a year or two before the new body style came out... Maybe they will do it again?
Camaro too. LT1 LS1.

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post #9 of 14 Old 07-25-2008, 09:08 PM Thread Starter
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I hope your are wrong...

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Anyways, getting to my point, my honest opinion is that there wont be a Z28 SC model like some people are hoping - at least not for the first 3yrs. Who knows, I could be proven wrong though. I know one thing for sure, and that is the fact that I wont be sitting around waiting for such a model.
Hi BtB,

Please do not take it offense, but I am certainly hoping you are proven wrong

Peter
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post #10 of 14 Old 07-25-2008, 09:19 PM
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putting direct injection into a head with the valves side by side rather than opposing each other (well opposing two by two since the 3.6 is four valve) may not be possible. getting a di engine to run and operate smoothly is no easy feat. di has been around for many years and was unable to be used in passenger cars in this country due to poor driveability and high emmissions out the tailpipe...the fuel management advances in the software is a big part of why you see di engines now. gm was also trying to utilize vvt on a cam in block (ohv) engine but without the multiiple cams,the advantages were nil.

i don't think you will see di on the pushrod engines...

jackg
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