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09-25-2014, 01:26 PM
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#1
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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SBC Oil Drainback
So, any good links on ideas for improving cylinder head drainback? Or pictures, etc
Bored at work. 
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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09-25-2014, 01:46 PM
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#2
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NJFBOA Co-Founder
Join Date: Jul 2004
Location: All up in your kool aid!
Posts: 12,235
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Just make sure all the transitions into the drain backs are clear and maybe add some paint , there is paint for lifter valleys and such but I can't remember the name at the moment. If you really wanna kill some free time you could polish all the surfaces out to prevent any of that little casting grain slowing the oil running off.
-Tim
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09-25-2014, 01:50 PM
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#3
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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I won't be glyptol painting the valley and heads, but grinding it up isn't an issue.
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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09-25-2014, 02:53 PM
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#4
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by NJSPEEDER
Just make sure all the transitions into the drain backs are clear and maybe add some paint , there is paint for lifter valleys and such but I can't remember the name at the moment. If you really wanna kill some free time you could polish all the surfaces out to prevent any of that little casting grain slowing the oil running off.
-Tim
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Glyptal. I've heard mixed reviews, that it can work sometimes, that it doesn't work at all, and that it can flake into the engine.
Matt, from what I can tell deburring and smoothing the surfaces is the best way to go.
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09-25-2014, 04:15 PM
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#5
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Join Date: Dec 2009
Location: milltown
Posts: 1,497
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if you go the glyptal route you really need to make sure the surfaces are 100% free of oil, getting components tanked yadda yadda. with aluminum it is easier to achieve since it isnt as porous as iron but in the end the benefits are negotiable but it sure looks neat
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2002 Camaro Sunset Orange Mettalic, V6, 5spd, bilstein HD shocks and struts, eibach pro lowering kit, eibach f/r sway bars, lakewood PHB, UMI 2 point subframe connectors, energy suspensions poly master bushing kit
daily econobox and first car
1986 IROC-Z, T56, MGW shifter, Heads, Cam, Holley Stealth Ram 350, t-top, tubular LCA with relo brackets, adjustable PHB, belltech sway bars, ground control weight jacks, SLP mid length headers, 3in w/borla XR1, RIP 3 10 bolts, 12.7 @ 109 so far.. atleast its faster than stock  SOLD
1971 Camaro LS3/T56/9in, cam only and still carbed, RIP 2 10 bolts, 11.62@121
03 Blazer 2 door - salt sponge
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09-25-2014, 04:26 PM
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#6
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by redsoxsstink
if you go the glyptal route you really need to make sure the surfaces are 100% free of oil, getting components tanked yadda yadda. with aluminum it is easier to achieve since it isnt as porous as iron but in the end the benefits are negotiable but it sure looks neat
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You can talk your way into a greater benefit?
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09-25-2014, 04:57 PM
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#7
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Join Date: Dec 2009
Location: milltown
Posts: 1,497
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Quote:
Originally Posted by WildBillyT
You can talk your way into a greater benefit?
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what do you mean?
__________________
2002 Camaro Sunset Orange Mettalic, V6, 5spd, bilstein HD shocks and struts, eibach pro lowering kit, eibach f/r sway bars, lakewood PHB, UMI 2 point subframe connectors, energy suspensions poly master bushing kit
daily econobox and first car
1986 IROC-Z, T56, MGW shifter, Heads, Cam, Holley Stealth Ram 350, t-top, tubular LCA with relo brackets, adjustable PHB, belltech sway bars, ground control weight jacks, SLP mid length headers, 3in w/borla XR1, RIP 3 10 bolts, 12.7 @ 109 so far.. atleast its faster than stock SOLD
1971 Camaro LS3/T56/9in, cam only and still carbed, RIP 2 10 bolts, 11.62@121
03 Blazer 2 door - salt sponge
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09-25-2014, 05:00 PM
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#8
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Stalker
Join Date: Aug 2004
Posts: 12,077
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negotiable vs negligible
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09-25-2014, 05:50 PM
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#9
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Join Date: Nov 2012
Location: Millstone, NJ
Posts: 641
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Smooth the castings out. Lot of sanding but its an old trick that old school sprint car guys do
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94 TA GT. Stock 350, cam, exhaust
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