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Engine Build - 403ci LS2 - Tracking Progress

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Old Dec 7, 2010 | 09:03 AM
  #21  
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Holy, good stuff you have on the go!

I had a question regarding your air intake from another thread, I see you have a solution. I was going to mention there is a good thread going on over in the C5 section, Callaway was participating so I asked about matching up the 102mm TB. He said that he would ask there engineering dept.

I did not see your plans for rocker arms, are you planing to check the wipe pattern, then figuring the push rod length?

The two piece cam cover I told is a pain to do a cam change as far as timing & checking the timing so I gave that up as well. Are you degreeing the cam?

Your question about the cam bolts, there was another member here that went thru that a couple of years back. He had recently changed the cam prior to the failure.

I agree with most regarding your conservative power numbers, the devil is in the details. Looks like you are covering the bases.

Myself I have 416 LS3 on the go, hoping to have some results before Christmas.
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Old Dec 7, 2010 | 04:28 PM
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I think only one other car out there has my intake set-up per Jim hall, but i could be wrong. Its his CF112 SuperBee Intake mated with the 102mm TB with a silicon coupler. The MAF is the Ls7 card style so that eliminates the need for the MAF in the middle like before.

The guy building my car should be checking all that upon assembly and measuring the pushrods as they are the only thing not purchased yet. Once they are measured they should be the last piece.

Went with the stock timing cover and all of those smaller pieces since I shouldn't be doing any cam changing anyway.

Regarding the damage the cam was stock to my knowledge so back to square one not really knowing what caused that, bad luck who knows but oh well its done now.

They block should arrive in the shop tomorrow so hopefully I'll have some more pictures to post up of it and the build should start Tues (sucks it has to wait that long maybe Friday but the shop with my car is a bit busy until then).

I am hoping 3 weeks is enough to assembly everything since all the parts are there. I bet my friend i would have my car before the crack of new years. If they aren't really close by Christmas then I may turn into car stalker trying to get everything done. I want it done right but they said if everything is there it shouldn't take that long.

All i can do is cross my fingers.
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Old Dec 7, 2010 | 04:29 PM
  #23  
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LeMans05c6,


If you dont mind, can you send me a pm with how much you are spending on the stroker motor? I am debating whether or not to do the same thing, but I'm still not sure how much everything TOTAL will cost, for the engine (not including intake, headers, etc).

Thanks!
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Old Dec 7, 2010 | 05:16 PM
  #24  
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Wow. Very impressive. Looks like you did your homework and really did this build right. I think your #'s are low and I wish you the best on hitting the 500 rwhp mark. I'm wanting something in that range and would love to go NA but looks like it would be much cheaper to just throw a sc on it but I really don't want to go that route. I would love to have that engine in my vette. I can't wait to see the finished product.
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Old Dec 7, 2010 | 06:03 PM
  #25  
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Yea i thought about drawing a line in the sand and it really got washed away once i started doing my homework. Hopefully it can come together and will easily be more than I can imagine in my head right now so once i get it back ill be driving around WAY too much for a few weeks.

The bottom end needed rebuilt so thats why i went the NA route with all these goodies. I like the N/A idea as well and the stroker should give it gobbs of torque.

It will be way too much fun that I am sure of.

Ill keep updating as things get closer along with the final pics and numbers (which may take a little while depending on break in).
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Old Dec 21, 2010 | 01:09 PM
  #26  
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Well guys i am going to go visit the car Friday but the build is in progress. Ill take some pictures to see how its progressing but it should be getting closer. Hopefully 2011 i have some nice numbers to show everyone along with my car back that should be rediculously fun to drive...especially after driving a loaner expedition from my partents for 3 months it will feel like a rocketship.
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Old Dec 22, 2010 | 02:39 PM
  #27  
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A few pics of the engine shortblock pre-build.





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Old Dec 22, 2010 | 09:18 PM
  #28  
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Looking good. I love this thread. Waiting on the finished product.
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Old Dec 23, 2010 | 07:59 AM
  #29  
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Good things take time.
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Old Jan 1, 2011 | 05:23 PM
  #30  
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More pics... Yes it takes time and id rather wait and have it done right and not rushed.

New pictures for an update.



Heads Intake side


Bare Heads


Heads Assembled


ATI Super Damper assembled and installed


Long Block


Engine on the cradle waiting for install sometime next week.


Still gotta get the ZR1 clutch in there that's next and then hoepfully firing it up late next week.
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Old Jan 5, 2011 | 03:53 PM
  #31  
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Well hopefully it should be done early next week guys. Its getting close.

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Old Jan 12, 2011 | 11:18 AM
  #32  
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Well guys if all goes smooth for the final parts hopefully i should have my car back Friday/Saturday and i can post up some numbers. My shortblock builder will be sending me even more pictures of that part of the build and ill post up the dyno info as well once i have. Early next week ill try and complete my build story either on a new post or tack it on the end of this one. Finally gonna be driving my baby again after 3 months is going to be fantastic, thats not even the bonus of all the new power!!!

Can't wait, and i am very curious some of the final power numbers.
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Old Jan 12, 2011 | 11:21 AM
  #33  
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good luck. Looking forward to the #'s myself.
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Old Jan 12, 2011 | 11:36 AM
  #34  
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Hope it finishes up as scheduled and you get your numbers back
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Old Jan 12, 2011 | 04:10 PM
  #35  
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It turned on, i heard it over the phone. That was just the initial start up and then they need to make sure it gets through the break in before the real tuning and dyon being. But its close. I heard the car start up over the phone and had a grin on my face.

<---- *This will be me when i get my car back*
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Old Jan 12, 2011 | 06:03 PM
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Sweet to see it is running, please start a new thread so more will see it completed, I lost track myself of the progressIMG]http://i29.photobucket.com/albums/c293/elsloan22/emotions/Culpepperflag.gif[/IMG]
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Old Jan 14, 2011 | 05:09 PM
  #37  
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Well final numbers were 488 rwwp 479 tq SAE Corrected. Its cold here in Dallas for now so it was 505 today with like 489 tq.

Ill get a whole new post up with more final pics and stuff just thought i would update the numbers.

Thats still on break-in oil and the engine itself will need broken in over time.

Might creep up to 500 on a good day after its really broken in and running smooth. Either way, the TQ is 400+ from 2500 RPMs on so a road race beast it will be. Just gotta hope the new tires help hold it through the corners.

Gonna be fun!
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Old Jan 14, 2011 | 06:17 PM
  #38  
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You got some really nice results and will be a TQ monster on the road
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Old Jan 14, 2011 | 07:26 PM
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Yea he said the cam was still relatively mild to make a ton of power and they are still just ported LS2 heads. Not bad but could make more of course with ported LS3 perhaps. I have all the power i will need for a long time. Suspension is a must next.

The Torque is huge and just leaps forward when i get on it. They also said the ZR1 clutch is somewhat heavy but should hold all i need.

I am sure once I really break it in and put a synthetic oil in it to really get a good number later.
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