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03-30-2017, 12:58 AM
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#1 |
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Humble
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243 Heads & Ls6 Intake on Ls3 Camaro
I haven't seen many post about this, I searched but what's the benefit to running 243 heads on Ls3 camaro compared to buying the $3000 tick flow heads? A buddy of mine says I can pick up 80-100 hp doing ported 243s is this true ? What's the complications I'm looking at? Compression issues? Any reason why I shouldn't the 243s are cheaper and a port and polish of the stickers would only give me 20-25 hp but that cost around the same I can buy 243s ported and polished and ready to go.
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03-30-2017, 01:31 AM
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#2 |
        
Drives: 13' 1LE Join Date: Apr 2012
Location: Canada
Posts: 2,653
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Unless you are running heads ported by the country's best, you'd still need a reworked LS6 IM or a FAST 92/102 to really take advantage of those heads. Seems like 4x0.25$ for a buck trade but you'll end up paying more. Maybe saving money is key here, and that rarely rimes with premium hp results.
But yeah huge cam, big compression (you cant mill LS3s much), stellar 243s and very good intake could cut it. Cheaper? IDK.. Milled GMPP LS3 heads with matching cam and rod mod LS3 IM, results garanteed amd cheap as fkkk. But do it and report! I'd like to see that!! 
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13' 1LE
Old setup: TSP 231-236/Tick 660/.105 PR, UDP, SW LT 2'' & HFC, stock NPP & H pipe, VR-DRX CAI, air scoop, Goertz1 manifold, 102mm BBK, 26" Toyo DRs, Forgestars R17x10 & F18x8, rear seat delete, remote Pat G tune Autocal, 7400 limiter, Spec Mini Twin. 91oct. 11.90@122.3, 0-60ft 2.0 / 11.99@123.6, 0-60ft 2.1 DA+819 ...519RWHP SAE Solid roller SBE LS3, FED, LLSR, 91oct, 605rwhp N/A. Tuned by Pat G. Build by me. |
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03-30-2017, 03:24 AM
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#3 |
   
Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,090
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Wont have a chance. Nicely ported 243s flow what stock 821s flow. Im porting a set now.
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03-30-2017, 03:37 AM
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#4 |
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Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,090
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03-30-2017, 03:39 AM
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#5 |
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Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,090
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03-30-2017, 03:44 AM
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#6 |
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Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,090
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Last link is comparing production 317s but since they have the same ports as 243s(Im porting some 317s as well right now) the test is valid even though they did it to keep compression the same.
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03-30-2017, 03:13 PM
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#7 |
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Humble
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Okay. I'm only asking because a buddy of mine was talking about it and I wanted to see if I could run a different setup and make it popular... I'm about to cam my car and I have my heads off and getting ready to get hot tanked and all the other goodies and someone was selling a nice pair of ported 243s for about $900 bucks
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| Tags |
| cam, heads, intake |
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