zippy Posted June 22, 2011 Author Report Share Posted June 22, 2011 I had to really shrink the pic's down as they were too big initially to upload. Not sure why they went so small in the post though. Just click on them and they get bigger. Very weird. Quote Link to comment Share on other sites More sharing options...
Cramer Posted June 23, 2011 Report Share Posted June 23, 2011 Thanks for the parts list and breakdown. The PM I sent you was asking all the questions you already answered on here. Sorry about that! This is going to be a strong runner for sure. Can't wait to see the outcome. Quote Link to comment Share on other sites More sharing options...
04CHASE Posted June 29, 2011 Report Share Posted June 29, 2011 interesting in the skirt coating , it has my attention for sure. if you can give me a ring or a pm . i am looking for a new set of slugs in the 4.130 bore for my lsx since i need to go a bit bigger . i need something i can run @ .003 clearance or less without worrying about swelling . i want to keep them tight and have long skirts with gas releifs and coated tops . i was leaning towards not coating the skirts because most dont last long and you end up with more clearance in the long run after the coating has worn off. if you have any suggestions on a piston for my setup , shooting for the 1600 hp range this time. Quote Link to comment Share on other sites More sharing options...
zippy Posted June 29, 2011 Author Report Share Posted June 29, 2011 Pic's of assembly coming soon. This heat has made me tired and not much energy after working all day to assemble it. Quote Link to comment Share on other sites More sharing options...
shadowsniper3006 Posted July 20, 2011 Report Share Posted July 20, 2011 well, is she running? Tuned? Dyno'd? Raced? Quote Link to comment Share on other sites More sharing options...
zippy Posted August 12, 2011 Author Report Share Posted August 12, 2011 Update, time for a new camshaft for this motor. Finally got the 6.0L out and apart with bad news. The constant low oil pressure lead to a cam bearing spinning in it's journal and that ruined the cam. Hell, maybe I'll port the heads a bit now. Updates coming this weekend with pic's. Quote Link to comment Share on other sites More sharing options...
detjoe Posted August 18, 2011 Report Share Posted August 18, 2011 RIP 224...that cam was a little whore Quote Link to comment Share on other sites More sharing options...
Cramer Posted August 25, 2011 Report Share Posted August 25, 2011 Any updates? Quote Link to comment Share on other sites More sharing options...
juriha Posted September 5, 2011 Report Share Posted September 5, 2011 Tuned in...any updates? I'm thinking I am going to go this route for my new motor...hope your build is still coming along... Quote Link to comment Share on other sites More sharing options...
zippy Posted September 10, 2011 Author Report Share Posted September 10, 2011 It's assembled short of the oil pan. Planning to put it in the truck this weekend. Quote Link to comment Share on other sites More sharing options...
detjoe Posted October 13, 2011 Report Share Posted October 13, 2011 And is it driving?? Convince me to throw out my FI dreams and stay NA Does it cool off any in Arizona in the fall?? Quote Link to comment Share on other sites More sharing options...
zippy Posted October 21, 2011 Author Report Share Posted October 21, 2011 Finally got it done and running. I'll post up the rest of the build info soon. I absolutely love it and have plans to upgrade it more in the spring. In the process the black truck is getting one next. Dyno numbers and track times also coming. Quote Link to comment Share on other sites More sharing options...
zippy Posted November 13, 2011 Author Report Share Posted November 13, 2011 Took the Tahoe out to the track and although the results were horrible, this is part of the process that will make this fun. One thing going to the track tonight confirmed for me, my gov-lock is now just a gov-no-lock. I pulled it out of my 06' at something like 9k miles and it has always worked good for truck duty. It has never failed to lock in the snow, dirt, wet weather, etc. The only time it locks under heavy power now is when I powerbrake it. I checked it this morning with an off idle burnout in the street by my apartment. I'll post that pic tomorrow if I get a chance, but it's close to 300ft long. I should have let up, but there was so much smoke it was hard to tell if it was both or not and I wasn't in the mood to let up. Although the 3.42 gear is perfect for all around use with this motor I plan to go to a 4.10 for some track fun. This motor makes so much torque that even at 7700ft altitude it pulls a 7-8% grade at 1500rpm in overdrive with the converter locked loaed with 1500 pounds extra weight in fuel, passengers, and crap in the back. That wasn't me loading it and not making it downshift, it does this with 31-33% throttle opening only. I logged it on the way back from Michigan a few times with some of that being in the mountains. On the highway at 70mph it runs about 1800rpm currently and although it would be great to keep it that way I won't get the range of number I want. I'm expecting 4 tenths gain in just gear alone. I'm also expecting .5 more out of a good diff that gets both tires pushing. The list of gains coming will be big. I'll post the dyno numbers this week when the tune is close enough. Sometime this week I also plan to get rid of the stock exhaust which is something that running it on the dyno showed to be a huge problem. I expected this, but left it on there for that reason. I want to record the gains of getting rid of the stock muffler at the track and on they dyno. On to the track. Only 4 passes were made so I didn't really get it's best out of it, but I was just there for a starter number. Pass 1: 2.38 60' [email protected] 1/8 [email protected] (side note very proud moment for me. this was my wifes first ever pass driving down the track) Pass 2: 2.520 60' [email protected] 1/8 [email protected] (wifes second pass) Pass 3: I'll have to find this, but was in the 19 second range. lol. Finally I drove and tried to launch it. I had the wife roll into it not knowing how it would come out. The results turned out to be a burnout from the line and once again from about 40mph. I ended up letting up and just cruised on through the traps. Pass 4: 2.422 60' [email protected] 1/8 [email protected] (still had to slowly roll into it off the line, the second it started to spin I let all the way off and rolled back into it again) All runs with with both me and the wife in the vehicle and probably 50lbs of crap in it. I should have stayed to get all I could out of it even with the traction problem, but it was a just a day for fun with the wife and an initial track day. With some minor mods this should actually get well into the 12's. Check build post for more. Planned mods to come: 4.10 gear (replace stock 3.42) Locking type diff (replace gov-lock with a diff that locks) 90mm throttle body and intake from new style truck (replace stock truck intake and throttle body. currently at 6k it's pulling a pretty good vacuum) 3" free flow exhaust (get rid of stock GM catback) CAI (get rid of stock airblox, descreen un-used maf or get rid of it, etc) Possible mods: Install ported heads Thinner head gasket for yet more compression Slightly looser converter. 34" Radiator and e-fans Drag Radials This thing to drive is just amazing. The torque down low is just rediculous. On the dyno without the converer locked it spikes the torque reading to 480+ ever pass. Once I get the time to finish it I'll post up some dyno numbers. For the average guy I have no idea why someone would do a blower. This short block in an SSS with a converter, headers, good intake, 90mm or larger throttle body, exhaust, etc would have no problem running 12's and still drive around more civilized than stock with as good or better milage. As anyone will tell you an n/a motor dialed in and built correctly should be dead reliable without the worries that come with a boosted motor. Even more if you do it yourself it can be done for less than the cost of a blower. One of the things I hope people learn from this build is that a 408 is a reasonable price upgrade that doesn't need everything bolted to it at one time. Most have this picture in their mind that if they build a 408 it needs to have the best heads, intake, headers, etc, etc, etc. Build the shortblock even if you don't have the money for the the heads and other fancy crap. You can swap heads, cams, exhaust, transmissions, etc. in a weekend but you need the good shortblock to bolt it to. A truck like the Silverado SS or in this case a Tahoe is a vehicle with more weight than a 6.0L should have to push around (or in the cas of the Tahoe it came with a 5.3L). Having the 6.7L it pushes this much weight around like it's nothing even with the tall gear and stock converter. I've driven many vehicles with 402's, 403's, 408's, 416's, 427's, etc and they all make whatever they are in feel lightweight thanks to their 4" stroke. Quote Link to comment Share on other sites More sharing options...
tburkdoll Posted November 13, 2011 Report Share Posted November 13, 2011 For the average guy I have no idea why someone would do a blower. This short block in an SSS with a converter, headers, good intake, 90mm or larger throttle body, exhaust, etc would have no problem running 12's and still drive around more civilized than stock with as good or better milage. As anyone will tell you an n/a motor dialed in and built correctly should be dead reliable without the worries that come with a boosted motor. I have wondered about this. You have my attention... Keep us posted! Quote Link to comment Share on other sites More sharing options...
Procelll Posted November 16, 2011 Report Share Posted November 16, 2011 Draws more attention and more realistic to my budget and time of being down to do the mods. Zippy what are you aiming at compression wise? Quote Link to comment Share on other sites More sharing options...
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