LS 7

[Squa10]

Hi guys, well, i been day and night dreaming, i have a lot of time on my cybercoffe for surf the net, and im always looking for parts and stuff, i was checking the ls 7 at gmpp and there are some projects, and i wonder, how hard it could be to put one of does on one of our trucks??? what do you think about this kind of swap?

[Scotty_S-15]

I\'m sure most of us would LOVE to. But we\'re talking serious bucks for one of those. $12K? for starters, then probably hand-built headers? Ouch.

[adh383]

There is a good article in the carcraft magazine about a buildup they did on one of those motors. If you can find one of them motors in the junkyard- it would be an ideal project. In the article-- they gave about 1200$ for the motor-- after the upgrades they had about 3800$ in it--- dynoed at 483 hp at 6000 rpm- that aint bad. Got me to thinkin!!!

[Scotty_S-15]

On 2007-03-02 14:42, adh383 wrote:

There is a good article in the carcraft magazine about a buildup they did on one of those motors. If you can find one of them motors in the junkyard- it would be an ideal project. In the article-- they gave about 1200$ for the motor-- after the upgrades they had about 3800$ in it--- dynoed at 483 hp at 6000 rpm- that aint bad. Got me to thinkin!!!



Yeah, that\'s some impressive stats, no doubt. I\'ll need to look into that!



But I think Squa10 was talking about the ZO6 type LS7? As in 505 factory HP.



From Wikipedia:



<I>LS7:

The LS7 is the latest high-power LS engine. It is a 7.0 L (427.6 in³) unit, based on the Gen IV architecture. The block is changed, with a larger 4.125 in (104.9 mm) bore and longer 4.00 in (101.6 mm) stroke than the LS2. The small-block\'s 4.4 in (111.8 mm) bore spacing is retained, requiring pressed-in cylinder liners. The crankshaft and main bearing caps are forged steel for durability, the connecting rods are forged titanium, and the pistons are hypereutectic, possibly to keep the relatively small mass pistons in check when they thermally expand at operating temperature. The two-valve arrangement is retained, though the titanium intake valves by Del West have grown to 2.20 in (55.9 mm) and sodium-filled exhaust valves are up to 1.61 in (40.9 mm). The LS7 is also the only current Gen IV engine to feature dry sump lubrication.



Peak output is 505 hp (377 kW) at 6300 rpm and 470 ft·lbf (637 N·m) at 4800 rpm with a 7000 rpm redline. During GM\'s reliability testing of this engine in its prototype phase, the LS7 was remarked to have been repeatedly tested to be 8000 rpm capable, although power was not made at that rpm level, due to the restraints of the camshaft\'s profile and the intake manifold ability to flow required air at that engine speed.



The LS7 is hand-built by the General Motors Performance Build Center in Wixom, Michigan. Up to 15,000 LS7s will be produced each year starting in 2005. Most of these engines are installed in the Z06, but some are also sold to individuals by GM as a crate engine. No other vehicles are currently confirmed to use the LS7 in the future.



The 7.0 L mark had already been reached by the LS-series of racing engines, famously in the 24 Hours of Le Mans Corvette C5R. GMMG Berger Camaro ZL1s made late in 2002 and GMMG Berger Dick Harrell Camaros (inspired by the Roger Penske Mark Donahue concept car) also featured variations of the 7.0 L size.



Applications:



2006-2007 Chevrolet Corvette Z06

Chevrolet previously used the LS7 designation for a limited production 465 horsepower version of the 454 cubic inch (7.4 L) Mark IV engine in 1970. This engine was only available as a dealer installed option or in the crate, and was dropped from production after 1970. Parts continued to be available for several years afterward. The 1970 LS7 was in no way related to the present day LS7—the two engines are completely different designs.</I>

[Scotty_S-15]

OK, here\'s one on sale, today\'s special, only $12,595. http://www.s10v8.com/images/smilies/icon_razz.gif



LS-7 for cheap (http://www.webdesignetc.net/Merchant2/merchant.mvc?Screen=PROD&amp;Product_Code=17802397&amp;Cat egory_Code=&amp;Store_Code=fh) http://www.s10v8.com/images/smilies/icon_razz.gif

[Squa10]

thats right Scotty_S-15, i was talking about the new corvette engine, and i guess is gonna take time to see one of does on a junkyard

[bikerboyriley1]

i have some pictures of an s10 with a newer corvette motor! i will look for them and post

[ZR1BLAZER]

i really dont see why the swap wouldnt be much different then the LS6 or LS1 in the S10? the block is still the same. so mounting it in an S10 like any other LS series motor would be the same. i found a new 0 mile LS7 with the harness, ECM, everything for the fly by wire gas pedal all acc. on front of motor minus A/C comp. and a new 0 mile retro fit T56. all of it was just a tad over $18,000 you can buy the 405hp LS6 for around 2K all the way to 6K and just 3-4 years ago you couldnt find them that cheap. i AM doing an LS swap. i was going to do the LS6/T56 but it wont be for another 2-3 years so???? if the LS7 is at a decent price range then i am going to buy one.