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Author Topic: Engine "Flutter" under load???  (Read 5209 times)

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Offline Mr Whippy

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  • Location: perth WA
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Re: Engine "Flutter" under load???
« Reply #10 on: August 26, 2009, 09:19:14 PM »
So did your old hed have hardenedvalve seats like stated in the 1st post?

Just wondering how you ended up with valve seat  recession if you had hardened seats

Offline Rothu

  • Rid of the rust
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Re: Engine "Flutter" under load???
« Reply #11 on: August 27, 2009, 08:53:28 AM »
I took the old and new head to a head reconditioner to find out.
Unfortunately for my mate who owned the van before me, he had been misled. the old head (202) did NOT have hardened valve seats while the new one (173) does.
1976 SWB CF, 186 block, LPG customised VK EFI self ported Head, LPG converted Ram tube manifold, Extractors, Supra 5 speed, Falcon hwy Diff, HQ Disc brakes, Commodore 3 core cross-flow radiator, HEI, 90 litre LPG.
It can drive up a wall in 5th gear and across the Sun without overheating!

Offline ben

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Re: Engine "Flutter" under load???
« Reply #12 on: August 27, 2009, 09:36:55 AM »
well you really scored then didnt ya!!

did you get a quote on how much it would cost for a reco head done with hardened valves?

ill probably have to get my v8 heads done eventually.

ben

Offline ben

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Re: Engine "Flutter" under load???
« Reply #13 on: August 27, 2009, 09:47:46 AM »
ok just got a couple of quotes.

$700 was cheapest for fully replaces valves, seats, strings everything for v8 heads.

not too bad.

ben

Offline Mr Whippy

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Re: Engine "Flutter" under load???
« Reply #14 on: August 27, 2009, 10:35:16 AM »
wonder what it costs for a 6

 

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