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How critical is valve retainer replacement AP1

 
Old 02-08-2019, 10:01 AM
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I went 4->2 at Sebring and bent 3 valves in my AP1 and cracked 5 retainers. Car shut off immediately. I then bought an AP2 head from ^^^ (S2000Junky) and the car was running 2 weeks later.
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Old 02-08-2019, 10:05 AM
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Originally Posted by roel03 View Post
I went 4->2 at Sebring and bent 3 valves in my AP1 and cracked 5 retainers. Car shut off immediately. I then bought an AP2 head from ^^^ (S2000Junky) and the car was running 2 weeks later.
Lucky, in 2 ways
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Old 02-08-2019, 02:15 PM
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Originally Posted by s2000Junky View Post
Fair assessment.

I will add my own, which is the ap2 retainers in this scenario would seem more likely to hold on to the valve stem and bend a valve vs crack the retainer and drop a valve. Both suck, but one scenario the bottom end can survive. Id much rather pull the head and replace a bent valve then lose the entire engine.
And thats the point. To me, that is reason enough to switch the retainers.
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