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06-13-2018, 11:39 AM
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#1 |
 Drives: 2013 Camaro with a Nova body Join Date: Apr 2018
Location: San Diego
Posts: 49
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Cometic head gasket on stock L99?
I'm doing a dod/afm delete on my L99 and before slapping heads back on, I thought about head gasket choices.
The cometic head gasket is said to be great on sealing and they have a thinner (.040 gasket) than stock set. My engine will retain stock cam phasing and stock cam specs (custom non afm lobe grind) Would it be possible to use the thinner (stock thickness is .051 I believe ) gasket to up the compression to LS3 ratio (10.4 to 10.7) for just a tad more compression? Would it have enough PTV clearance with full phasing of the VVT cam phaser. Again L99 stock specs, stock heads, stock custom grind camshaft and stock pistons with valve reliefs. Keeping VVT. No milling done to head or block. Just using this opportunity to decide on whether or not to put a thinner gasket before I button her up. What are your thoughts? |
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06-13-2018, 11:44 AM
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#2 |
 
Drives: 14 ss camaro summit white Join Date: Oct 2014
Location: bay area
Posts: 463
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Why not go aftermarket cam? Since ur going through all the trouble already
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2014 ss camaro
Stainless works long tubes , rotofab cai , vararam wedge , muffler delete,cat delete ,resonator delete , x pipe 2019 sierra duramax 2500 all terrain x 2001 trans am Lsx 408 ci rebuild in progress(dead project) 1967 camaro Sbc 327. |
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06-13-2018, 11:57 AM
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#3 |
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Drives: 2013 Camaro with a Nova body Join Date: Apr 2018
Location: San Diego
Posts: 49
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I don't want a cam with no lope and I don't want to lose the efficiency of full phasing. Decision has been made on cam choice.
Just want to know about head gasket choice with stock specs. Last edited by Tran2la; 06-13-2018 at 02:14 PM. |
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06-13-2018, 02:07 PM
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#4 |
  
Drives: 2013 2SS/RS L99 Join Date: Oct 2012
Location: Denham Springs La.
Posts: 811
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You will be fine with a .040 head gasket. You can use a cometic or a Fel-pro.
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2013 2SS/RS L99/A6 Crystal Red Metallic Tincoat 12.76@108.98mph Bone Stock
12.46@111.19mph with New Era CAI & U/D Pulley 12.12 @ 114.16 after Stainless Power headers and no tune yet on stock P-Zero's! 12.007@ 115.20 With 18" Drag Radials - 11.93 @115.19 Added a PTB 11.76 @116.59 With Yank SS3200 Converter - 11.63 @116.52 After PI and Tuning 11.44 @118.75 New Best 10.72 @127.93 after heads and Cam and Yank SS3600 |
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06-13-2018, 05:07 PM
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#5 | |
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Drives: 2013 Camaro with a Nova body Join Date: Apr 2018
Location: San Diego
Posts: 49
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06-13-2018, 06:38 PM
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#6 | |
  
Drives: 2015 1LE Join Date: Oct 2015
Location: Cleveland, OH
Posts: 1,485
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06-13-2018, 07:18 PM
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#7 | |
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Drives: 2013 Camaro with a Nova body Join Date: Apr 2018
Location: San Diego
Posts: 49
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