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Old 04-07-2019, 09:19 PM
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Chris Stewart
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Went to TX2K and aired out the new setup. It's a 5.7L, built 4L60, with twin 76mm set at 22psi. Sprayed a little N2O to help spool. It was pushing some water so we stopped there, but got some data and new ideas to improve on. Even drove home 260 miles afterwards!

60':1.531
1/8:[email protected]
1/4:[email protected]






Last edited by Chris Stewart; 04-07-2019 at 09:21 PM.
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Old 04-08-2019, 03:55 AM
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Nice trap speed, 8’s on the way !
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Old 04-08-2019, 06:12 AM
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JoeyG
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Wow good first outting
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Old 04-08-2019, 09:45 AM
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Capthuff
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Cool deal sir!

What heads and head gaskets are you using? Studs or OEM head bolts?
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Old 04-08-2019, 10:53 AM
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Hell yea buddy!!!!!!
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Old 04-08-2019, 07:05 PM
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Chris Stewart
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Thanks guys! Capthuff the heads are Edelbrock/LPE CNC 61969. I believe they have 205cc runners, with ARP studs and regular LS1 MLS gaskets. I was thinking about trying some LS9 gaskets, but not sure how much this motor combo has left to give. It also has a stock crank and Compstar rods rated at like 600hp lol. Might need to move up to an LSX 6 bolt combo that can breathe better.
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Old 04-08-2019, 10:55 PM
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Grats! That's moving!
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Old 04-09-2019, 06:01 AM
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Originally Posted by Chris Stewart View Post
Thanks guys! Capthuff the heads are Edelbrock/LPE CNC 61969. I believe they have 205cc runners, with ARP studs and regular LS1 MLS gaskets. I was thinking about trying some LS9 gaskets, but not sure how much this motor combo has left to give. It also has a stock crank and Compstar rods rated at like 600hp lol. Might need to move up to an LSX 6 bolt combo that can breathe better.
that turbo and intercooler is just the bomb

6 bolt heads and a nice strong short block will take care of that issue

I've seen some good deals on LSX blocks but here is what I'm doing

5.3 alum block, 6 bolt tabs added like the ERL blocks (block is free)

stock ls1 stroke forged crank (stocker is pretty strong though!!)

forged wiseco or diamond pistons and decent rods and you should be good to 1500+

more than that, you better think about back halfing the car


the stock blocks are really nice and with the right setup, a 6 bolt version should be plenty strong


looking for companies that can "add the tabs" to a stock block and do it right!

I have new lunati 4.0 forged crank and h beam rods, but with this block I'd like to stay stock stroke

comments???

the lsx goes for around 2300 and some of the vendor short blocks are around 6500 with good internals

it's still a very expensive build any way you slice it!!
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Old 04-09-2019, 10:47 AM
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Originally Posted by Chris Stewart View Post
Thanks guys! Capthuff the heads are Edelbrock/LPE CNC 61969. I believe they have 205cc runners, with ARP studs and regular LS1 MLS gaskets. I was thinking about trying some LS9 gaskets, but not sure how much this motor combo has left to give. It also has a stock crank and Compstar rods rated at like 600hp lol. Might need to move up to an LSX 6 bolt combo that can breathe better.
I have the same heads and studs but I have 6.0 iron block. I used ls9 and I'm around 25.lbs boost with stock crank also. I had samels1 MLS gaskets as u and they where pissing at 22lbs also.
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Old 04-09-2019, 07:07 PM
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jbsblownc5
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Very nice pass!! Congrats!
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Old 04-09-2019, 08:49 PM
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Chris Stewart
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Thanks again guys! Tempting to slap on some LS9 gaskets and try again. The last pass we learned a better launch method that will pull the wheels. All this time I've used the footbrake as high as it can go, about 3K. By accident I did a dry hop in the lanes, about 2000rpm with nitrous on. It actually pulled the wheels up, and didn't realize it until my son told me afterwards lol. Should be an 8.9 launching like that, assuming it goes straight.
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Old 04-17-2019, 07:39 AM
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Very nice pass and setup Chris congrats.
What alternator/bracket are you running?
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Old 04-17-2019, 08:55 AM
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So bad ***.
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Old 04-20-2019, 10:36 AM
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Chris Stewart
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Thanks yall, and venom it has a Honda alternator that's mounted in the a/c location with a custom bracket.
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Old 04-20-2019, 05:33 PM
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Some 625's and LS9 gaskets would do no harm.

Last year when I blew my TFS head apart, I went back to my old A&A WCCH Edelbrocks. My car always did run great with them too. Mine were the 215cc CNC'd ones.
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Old 04-21-2019, 12:53 PM
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Originally Posted by Chris Stewart View Post
Thanks yall, and venom it has a Honda alternator that's mounted in the a/c location with a custom bracket.
Yeah I emailed couple of times about this before and I went with the A/C compressor bracket and JEEP Ranger Alternator like you advised but I'm only seeing 12 - 12.5 volts.
I may go with the Honda route like you Which model and year Honda? Are you seeing 13+ volts?

Do you think a custom bracket and be made again like yours?
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Old 04-21-2019, 07:59 PM
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Originally Posted by stevieturbo View Post
Some 625's and LS9 gaskets would do no harm.

Last year when I blew my TFS head apart, I went back to my old A&A WCCH Edelbrocks. My car always did run great with them too. Mine were the 215cc CNC'd ones.
That sounds like a solid plan. The next motor will get some upgrades for more clamping force. Hopefully some cubic inches that start with a 4 as well.

Originally Posted by venomws7 View Post
Yeah I emailed couple of times about this before and I went with the A/C compressor bracket and JEEP Ranger Alternator like you advised but I'm only seeing 12 - 12.5 volts.
I may go with the Honda route like you Which model and year Honda? Are you seeing 13+ volts?

Do you think a custom bracket and be made again like yours?
I originally had the Ford 3G style alternator, but broke the case. Probably because of the way I mounted it, with no bottom bolt. The shop replaced it with a Honda style, but I have no idea what specs. It's smaller and performs pretty well. Cold startup shows 13.8v. Once it's warmed up and both fans running, it idles at 12.3v and during a WOT pass it goes down to 11.7v. The tuner has worked around it and doesn't seem to cause any issues. You'd have to call Turbo Tech to see if they'd make another. Probably not easy to do without a car torn apart to build on. Sounds like yours is doing as good as mine anyway.


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Old 04-22-2019, 09:18 PM
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That's awesome Chris! Especially the drive home!

I know there are some people who push a lot more power through 4 bolt heads, but I kind of gave up on that after replacing head gaskets twice and upgrading the studs. With LSx platform 6 bolt is the way to go, especially with the power your going to be able to make.
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Old 04-26-2019, 02:21 AM
  #19  
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beautiful, what kind of IATs are seeing on the big end?
curious what people in that power range are seeing
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Old 04-26-2019, 09:31 AM
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Chris Stewart
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Thanks, it's got a 7 gallon A2W and with only 1 bag of ice, the IAT went from 85-115 degrees. The previous run I forgot to turn on the water pump. The IAT was still only 95-145 and went [email protected]
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