Quote:
Originally Posted by SSE 4 2SS
Reliability is just as good as a blower kit.... This is an old myth.... It boils down to properly designed built and installed systems... There are huge numbers of turbo powered vehicles worldwide.... both gas and diesel.... As for the heat issues, yes, there is a hot casing under the hood, and there are exhaust manifolds under the hood as well.... My car runs way cooler now, both under the hood and in the cooling system than it did when it made less than half the power... Proper design and utilization....
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A lot of great insight and info SSE 2SS!
Just for clarification: I have had turbos for decades on my trucks. I did not mean to insinuate that turbos in general are unreliable blast furnaces. I meant that installed tt's on the LT4...even the LSA is largely on untested grounds (compared to stock or even modified blowers). I meant one venturing into tt's for their ZL1 (pushing the envelope over 1-1.2 k rwhp) should expect some quirks, maintenance and possible reliability issues, if for no other reason that no tt system on any ZL1 has been through the proving grounds as blown ZL1's (when compared miles to miles).
That said, a thoroughly engineered, deliberately installed tt LT4 could very well be low maintenance and reliable. I stand by the +$20k figure, as most folks here will not being doing the swap themselves, and, I imagine, most folks considering a tt for their LT4 are seeking 1k rwhp, if not more.
Again, thanks for the post: lots of great response, info and insight.