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7th January 2018, 09:22 PM
#1
Legendary
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7th January 2018 09:22 PM
# ADS
Circuit advertisement
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7th January 2018, 10:57 PM
#2
Smart like tractor
I'd get the head done. New double valve springs, seals and fresh multi angle valve grind providing the valves are good enough to reuse
96 GQ coil/Cab
08 G6eT
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7th January 2018, 11:06 PM
#3
Legendary
Definitely get the head recoed now for peace of mind , what turbo is going back in Rossco I'm in two minds as to replace injector pump or turbo before the big trip this year .
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8th January 2018, 06:37 AM
#4
Legendary
Cheers guys sweet will pull pull the head off then for a bit of love. So what about the turbo head (TD42T), how do these differ from the TD42 N/A head and what are the benefits? Double valve springs what are they are the benefits?
Turbo going on is a Borg Warner EFR 6758, can't wait to see how it goes.
Sent from my SM-G930F using Tapatalk
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8th January 2018, 05:36 PM
#5
Smart like tractor
Originally Posted by
Rossco
Cheers guys sweet will pull pull the head off then for a bit of love. So what about the turbo head (TD42T), how do these differ from the TD42 N/A head and what are the benefits? Double valve springs what are they are the benefits?
Turbo going on is a Borg Warner EFR 6758, can't wait to see how it goes.
Sent from my SM-G930F using Tapatalk
Double valve springs are just piece of mind for boost applications really, just making sure the valve stays closed when it needs to be. I've had them on my td for years, since I had an issue burning out a valve from what was assumed to caused by a weak spring, also have them on the g6et. New valve springs in general isn't going to hurt at all.
Just keep the same head, and THOROUGHLY inspect the face of the rocker arms where it meets the valve, they do wear and cause difficulties setting clearances. They may need to be reground flat
Last edited by Ben-e-boy; 8th January 2018 at 05:42 PM.
96 GQ coil/Cab
08 G6eT
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8th January 2018, 09:49 PM
#6
Legendary
Cheers Benny, what about the pre comps between both heads? Do these differ if so is there any real benefit to the turbo ones or silver top just as good pretty much. . .
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8th January 2018, 10:36 PM
#7
Smart like tractor
Just get the turbo ones. Your ones will likely be cracked anyway, they usually are with age
96 GQ coil/Cab
08 G6eT
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