Stepping my IX up for 91/E85, looking for final preparation suggestions
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MinusPrevious (May 18, 2018)
#262
One of my first questions to interview him was how is his work different than others. He showed me his competitor's work which failed within months. And I will not be surprised that half is new builds from other shops where oil started leaking into combustion chambers.
The owner has a very technical mind and thinks like a mechanical engineer. I bounced my ideas off of him and he immediately knew what I was talking about. It was scary how quickly and well we understood each other.
You (and a few others here) know how picky I am with people working on my car. I completely trust them.
#263
EvoM Community Team Leader
Ive never seen a compressor map for the 71hta but I will be super impressed if you hit that target.
#264
EvoM Staff Alumni
iTrader: (3)
On a ported intake & larger valves, FP mani & the O2 housing, running 28 PSI, I cant believe it will be less than 500WHP
#265
According to Sam (tuner), a rough estimate to calculate power is take the turbo flow rate (51 pounds per minute) and multiple by compression ratio (8.8). This gives us about 450whp, so it's already maxed out. But having head flow better, will help with turbo's efficiency so it can push 51 pounds/minute at lower boost, which means cooler air and more density. This will be very interesting!
Last edited by 2006EvoIXer; May 19, 2018 at 08:39 AM.
#266
Based on my tune at 460WHP on the DynoPak at 24PSI. Dont think it will be a issue to strike 500WHP on the DynoPak w/Dons setup . My head was rebuilt, but in stock trim at only 24 PSI on the 71HTA
On a ported intake & larger valves, FP mani & the O2 housing, running 28 PSI, I cant believe it will be less than 500WHP
On a ported intake & larger valves, FP mani & the O2 housing, running 28 PSI, I cant believe it will be less than 500WHP
Last edited by 2006EvoIXer; May 20, 2018 at 11:37 PM.
#267
I think 470whp is what RRE can get out of 71HTA turbos in the past, but I think that is with test pipe. I will always run HFC, so I'm not sure how much more my car could have made if my injectors weren't hitting 95-100% duty cylcles.
I'll need about 6% better efficiency out of the turbo to hit 500whp. This is asking a LOT out of this little turbo
My second tune will be on FP Red or Black (with FP manifold and Wally 450), so I'm expecting a lot more!
#270
Not much update. Spent a little time scraping off old gasket. There's a black gunk stuck on block. How do I clean all the gasket dust that fell in the oil and coolant ports? I'm thinking to fill radiator to water and run engine through 3-5 heat cycles and change oil and drain water to fill with coolant. I'll retorque head at same time.
Thoughts? Ideas? Thanks in advance.
Thoughts? Ideas? Thanks in advance.