Who's had the biggest ???
#44
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When Patriot started making "LS6 style" heads the took 6.0L cores welded the chambers then sent them out for heat treat, then machined the chambers.
But that was a lot of welding, across the whole head in every combustion chamber. To repair a head, where the damage is localized, welding it up should not require a heat treat.
But that was a lot of welding, across the whole head in every combustion chamber. To repair a head, where the damage is localized, welding it up should not require a heat treat.
#45
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Duttweiller is always a big fan of lower timing and lots of boost. Obviously he prefers 6 bolt heads as well..... Cylinder pressure gets crazy with high timing as evidenced by the damage.
That is some nice carnage Stevie and quite a trip for the event especially the crazy tow back. You went nearly 198mph in a box shaped car and a motor that wasn't performing as it should.... I'd say next event 200mph will be a cakewalk. You are crazy to be running that timing and boost on anything less than 116 octane. Always have plenty of octane... A 1400-1450* EGT max on my Turbo V6 (Buick 3.8i Grand National) yielded the best mph for me. Remember to make the correction for outside air temp.
Considering you can get a used LS1 crankshaft for around $100... I would chuck your old one if it needs to be turned more than .010"mains/.010" rods. They make nice boat anchors.![Happy](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_stretch.gif)
Impressive feat nonetheless! 198mph is nothing to sniffle at considering the car's aerodynamics.
That is some nice carnage Stevie and quite a trip for the event especially the crazy tow back. You went nearly 198mph in a box shaped car and a motor that wasn't performing as it should.... I'd say next event 200mph will be a cakewalk. You are crazy to be running that timing and boost on anything less than 116 octane. Always have plenty of octane... A 1400-1450* EGT max on my Turbo V6 (Buick 3.8i Grand National) yielded the best mph for me. Remember to make the correction for outside air temp.
Considering you can get a used LS1 crankshaft for around $100... I would chuck your old one if it needs to be turned more than .010"mains/.010" rods. They make nice boat anchors.
![Happy](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_stretch.gif)
Impressive feat nonetheless! 198mph is nothing to sniffle at considering the car's aerodynamics.