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"Low down & dirty" 5.3-78/75-TH400 Skylark 11.25@122

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Old 07-26-2016, 12:07 AM
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Scored a shifter off craigs, ***** mint



This is my old Micro out of the car. Who loves a clean wiring job?



Ready to go in




Brake cleaned all the oil off the E-bay.. ***** good



Sideways mofuckkaaa!



And it's in



Old hotside is going awaayy



76/68 on top 78/75 on bottom both from VS racing



Making the manifolds face forward and down like a boss


















Last edited by dirtylark71; 07-26-2016 at 12:18 AM.
Old 07-26-2016, 12:09 AM
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Old 07-26-2016, 12:19 AM
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I have more pics it won't let me upload them, I will try tomorrow. maybe I hit a limit idk
Old 07-26-2016, 01:59 AM
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looks badass!!! At least you've got tons of practice swapping engines and transmissions in and out. I'm going to use quiet a few of your ideas on my buick build coming up soon.
Old 07-26-2016, 06:34 AM
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Pretty cool what can be done with the stock manifolds-on my next project I plan on using modded manifolds on both sides, I like how you cut yours-any sign of cracking after welding?
Love the view of the mountains from your house
Old 07-26-2016, 06:40 AM
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Old 07-26-2016, 06:41 AM
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Originally Posted by anarchy99
looks badass!!! At least you've got tons of practice swapping engines and transmissions in and out. I'm going to use quiet a few of your ideas on my buick build coming up soon.
Sweet man use em!
Old 07-26-2016, 06:42 AM
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Originally Posted by forcd ind
Pretty cool what can be done with the stock manifolds-on my next project I plan on using modded manifolds on both sides, I like how you cut yours-any sign of cracking after welding?
Love the view of the mountains from your house
Yessir, No signs of cracks yet. Thanks! me too
Old 07-26-2016, 10:22 AM
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that a 2" hot side?
Old 07-26-2016, 10:26 AM
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oh boy! here it comes~
Old 07-26-2016, 10:41 AM
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Originally Posted by turbohf
that a 2" hot side?
Yessir
Old 07-26-2016, 10:45 AM
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Originally Posted by denmah
oh boy! here it comes~
That's what she said
Old 07-27-2016, 09:42 AM
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Old 07-29-2016, 10:44 AM
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Looks good man, but why the ls9 cam and not a cheap summit one?
Old 08-01-2016, 12:33 AM
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because ls9 is even cheaper! and still pretty good

Old 08-01-2016, 12:34 AM
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drivers head is leaking some water, have to check it out. Want to make sure it's not warped a bit from getting so hot. We will see tomorrow
Old 08-01-2016, 09:18 AM
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Looking good!

LS9 is also pretty forgiving on factory parts because it doesn’t make gobs of torque below 5k like most aftermarket cams. A nice torquey low-end cam putting out 600+ftlb at 3500rpm is a good way to bend rods, esp. on the gen3 engines.
Old 08-02-2016, 01:35 PM
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Do you monitor KR with Microsquirt? Can it do that?

I'm not an expert but I drop to 19 deg timing the second I get into any boost on 91 octane - even 2 psi. It looks like you might be in the low 20s from your table when it first starts boosting?

I logged KR for a ton of hours and found this was the area I was most likely to knock...At higher boost the computer is averaging areas of the table which all have low timing, but the transition into boost it can average fairly high numbers - that is if MS works anything like the stock ECU.
Old 08-03-2016, 07:07 AM
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@forced yup! plus it's pretty budget friendly haha so far so good

@callys I am now running the Gold box. KR? knock sensors? I'm sorry idk if that's what you meant there. I don't have them plugged in. I will be installing a meth kit here shortly that will turn on around 14psi. I also had little to no ring gap on my old motor (never checked it just ran the motor) so hope to see better results. Thank you for your input and I will keep it in mind !
Old 08-03-2016, 07:08 AM
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