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Best heads/intake/tb for a forged 370 build??

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Old 12-18-2013, 10:18 AM
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Default Best heads/intake/tb for a forged 370 build??

Hi, I need some help deciding this..
What heads should I get for my 370 boost build??
I have a TBSS complete intake/tb/x-link setup that I bought for my engine on my signature but now I dont know if I should put it on my new engine or if there is better ways to go.. I have my turbo sitting in my garage I just want to build my 370 the right way.. Should I pick a set of 243's and put the TBSS intake setup? or which heads should I go with?
Thanks in advance!!
Old 12-18-2013, 10:22 AM
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317/ls6 is what I'm running and it has taken me to 800whp easy
Old 12-18-2013, 10:40 AM
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What turbo and that are your goals? Ive got old school 241 heads ported with ls6 intake/tb and did 900whp on 20psi
Old 12-18-2013, 01:23 PM
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Precision 76/68 .98a/r and want to do over 700rwhp..
Do you guys think thats achievable with my current 5.3?? Should I give it a try or should I leave it alone and swap in the 370?
Old 12-18-2013, 01:29 PM
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700 is easily achievable with a good turbo, i made 850 rwhp on 22 psi with stock 862 heads, I made 730 on 17 psi, and mine is a 5.3.
Old 12-18-2013, 01:45 PM
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I would do some ported 243s or 317s and a LS6 intake with a ported TB.
Old 12-18-2013, 02:01 PM
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Holy.. Pump gas??? I bought a devilsown meth injection to put in my setup too..
Old 12-18-2013, 09:36 PM
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On Jessie's Real street car, he has an old school set of 215 trick flows. It's still on the hyd. roller valvetrain, billet wheel 76mm, and makes over 1100HP @ 20psi
Old 12-18-2013, 10:04 PM
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L92 heads if you go with the 370. They flow ridiculous right out of the box.

Btw, the turbine on that turbo is a little small for much over 700whp. Is it a billet wheel?
Old 12-18-2013, 10:58 PM
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I'll be running TEA CNC'd LSA heads and a ported LS3 intake on my turbo 370 setup...
Old 12-19-2013, 12:51 AM
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L92/LS3 intake
Old 12-19-2013, 01:33 AM
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Yes, actually Rick put the kit together for the 5.3 on my sig, he said that turbo(76/68) will be a very fun-fast spooling setup, and capable of being close to 700, I just dont know if my 5.3 can stay together with that much hp..
I guess i would need to be around 17psi right??
Old 12-19-2013, 04:45 AM
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Originally Posted by dj94gt
On Jessie's Real street car, he has an old school set of 215 trick flows. It's still on the hyd. roller valvetrain, billet wheel 76mm, and makes over 1100HP @ 20psi
What size motor and what turbo?
Old 12-19-2013, 08:18 AM
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If you are building a 370 use L92 or LS3 heads with good valves and valve job, a Victor Jr intake manifold, and a low profile (Accufab or Scorpion) 4BBL throttle body.
Old 12-19-2013, 08:42 AM
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Originally Posted by 2002TTTA
What size motor and what turbo?
TFS 215cc heads, 235cc exhaust port, S400-76 billet wheel. 21psi @ 7400 rpm. Hyd. roller.
Old 12-19-2013, 06:29 PM
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Originally Posted by 1CAMWNDR
If you are building a 370 use L92 or LS3 heads with good valves and valve job, a Victor Jr intake manifold, and a low profile (Accufab or Scorpion) 4BBL throttle body.
X2 good setup
Old 12-19-2013, 07:07 PM
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Personally id save the money on heads and put it towards a turbo with a larger turbine
Old 12-19-2013, 11:37 PM
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Originally Posted by SPRAYED 01
Personally id save the money on heads and put it towards a turbo with a larger turbine
Agreed.
Old 12-20-2013, 04:32 AM
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how much money do you want to spend? My forged 370 ran 9.0 with untouched 241 heads & proflo intake.
Old 09-17-2014, 08:40 AM
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Old post, just read it and wanted to let you know the way I went (in my signature), still working on it, waiting on my FLT tranny for now, everything else sitting in my garage..



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