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SVTPerformance's Chain of Restaurants
Pics and Videos Buffet
Ported 2020 Supra motor/BMW
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<blockquote data-quote="offroadkarter" data-source="post: 16303167" data-attributes="member: 79484"><p>What BMW engine post M52, besides the S54 and euro spec S50B30&32, requires adjusting valve lash? The S54 has solid lifters because it revs so damn high and they wanted to avoid valve float issues. Every other engine from the M52 til current uses hydraulic roller lifters.</p><p></p><p>The B58 is a stout performing engine. Yes they're complicated, but welcome to current year. I mean these engines have variable cam timing + valvetronic, which means these cars don't use a throttle body. The intake valves are variable which control air flow and throttle. The TB you see on these engines are in place as a fail safe only, normally they're 100% open.</p><p></p><p>Despite all the "inspiration" Ford has had from BMW, I don't expect them to make a twin scroll turbo straight 6 anytime soon.</p></blockquote><p></p>
[QUOTE="offroadkarter, post: 16303167, member: 79484"] What BMW engine post M52, besides the S54 and euro spec S50B30&32, requires adjusting valve lash? The S54 has solid lifters because it revs so damn high and they wanted to avoid valve float issues. Every other engine from the M52 til current uses hydraulic roller lifters. The B58 is a stout performing engine. Yes they're complicated, but welcome to current year. I mean these engines have variable cam timing + valvetronic, which means these cars don't use a throttle body. The intake valves are variable which control air flow and throttle. The TB you see on these engines are in place as a fail safe only, normally they're 100% open. Despite all the "inspiration" Ford has had from BMW, I don't expect them to make a twin scroll turbo straight 6 anytime soon. [/QUOTE]
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SVTPerformance's Chain of Restaurants
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Ported 2020 Supra motor/BMW
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