INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

L92 setup for a LQ4

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Old 02-02-2007, 05:55 AM
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Originally Posted by silverbrick
only thing with that is I don't know how to convert my return style system into a returnless OR somehow put some LS1 vette 1997 return rails and injectors onto the l76 intake....

You have any ideas? PM me so no thread jack anyone
You could always use afermarket rails and regulator? Or I think Qwik is using his 97/98 vette rail with his new L92/L76 setup.

Richard, I'm really looking forward to seeing your program for these heads. I've been eyeing that new 427 L92 shortblock that SDPC just introduced.
Old 02-02-2007, 07:52 AM
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Originally Posted by tdrumm
Or I think Qwik is using his 97/98 vette rail with his new L92/L76 setup.
Yea, that's where I got the idea for the 1997 ls1 rails. Just wondering if there were any other options but it shouldnt be to hard to fit.
Old 02-06-2007, 11:55 AM
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Originally Posted by Steve Bryant
The throttle body is too low to clear the fan and fan shroud if you use the L76 intake. The TB needs to sit about three inches taller for the truck versus the car. That was true for the LS1/6 versus the truck (LQ4/LQ9) on the older Gen III installations and it is true today L76 versus L92. Each is designed the way it needs to be designed for proper drivetrain packaging.

Another way to look at this is if you put a car intake on a truck application, how will you get the intake duct installed to the inlet side of the TB without running into the fan/shroud? The water pumps are made differently for the same/similar reasons.

Steve
Steve, take a look at this post. Speartech offers a tensioner relocator, using an L92 water pump (for cable TBs), then you can use the LS1 intake, which the L76 is very similar to ... in terms of the TB position.

https://www.performancetrucks.net/fo...ntake+complete

Richard, I would be very interested in trying out a pair of your new L92 heads ... possibly on a twin turbo race application (Z28) using the truck manifolds.
Old 02-06-2007, 12:07 PM
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Originally Posted by tdrumm
You could always use afermarket rails and regulator? Or I think Qwik is using his 97/98 vette rail with his new L92/L76 setup.

Richard, I'm really looking forward to seeing your program for these heads. I've been eyeing that new 427 L92 shortblock that SDPC just introduced.
yea for my setup im using the 97/98 vette rail for my 02 truck. to use on the L76 intake you will have to tweak the mounting holes to line up with the mounting holes and use spacers...ill get pics once my valve seals come in for my other head...motor is together minus one head
Old 02-06-2007, 11:53 PM
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Hi George,
I'm almost done with the Stage 2 program. Maybe another week or so. Depending on your build, you might want to stay tuned for our Stage 3 L92 program. It'll have more to offer especially on the intake side. That should follow in about 4-6 weeks. Feel free to give us a call at the shop and we can chat about it.

Richard
Old 02-07-2007, 12:40 AM
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Originally Posted by Richard@WCCH
Hi George,
I'm almost done with the Stage 2 program. Maybe another week or so. Depending on your build, you might want to stay tuned for our Stage 3 L92 program. It'll have more to offer especially on the intake side. That should follow in about 4-6 weeks. Feel free to give us a call at the shop and we can chat about it.

Richard

Hot damn. The next few months could get rather fun.


Richard, is it cool if I PM some questions about a possible build I have in mind?
Old 02-14-2007, 05:53 PM
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what would the compression ratio with l92 heads on an LQ4 be at?
Old 02-14-2007, 06:07 PM
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depends on milling at chamber size etc
Old 02-14-2007, 11:23 PM
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Originally Posted by meatwad
Richard, is it cool if I PM some questions about a possible build I have in mind?
PM any time. Better yet you can call us at the shop. There's been a lot of interest in the L92's and we're getting to the point where we can produce an economical head with great flow capacity. We're about a week away from making this happen so stay tuned.

Originally Posted by Acb1450
what would the compression ratio with l92 heads on an LQ4 be at?
If you were to bolt the stock L92's onto your 6.0l engine you would have about .1 of a point in c/r more than the stock 317 or 035 heads.

Richard
Old 02-14-2007, 11:41 PM
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Looking forward to seeing this!


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