T04E rpm boost range
01-08-2006, 05:53 PM
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T04E rpm boost range
Can you estimate boost rpm range as well as what rpms i should make good power to. Setup: T04E 57 trim, .60 A/R Compressor, .63 Turbine, log manifold, 2.5" ic piping
Are we talking starting boost mid 2k-3 up to 5.5-6k? or is it starting higher like 3.5-4k up to 7k?
All input is appreciated!
Are we talking starting boost mid 2k-3 up to 5.5-6k? or is it starting higher like 3.5-4k up to 7k?
All input is appreciated!
01-10-2006, 11:22 AM
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Re: (bigdaddyvtec)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by bigdaddyvtec »</TD></TR><TR><TD CLASS="quote">I believe the 63 gets boost at 5k, too high for the f22s rev ceiling (IMHO). </TD></TR></TABLE>
That was my concern. I figured with the log manifold i could get a quicker spool. I was hoping to be able to make power to 7k after valve work, cam, pistons, rods, lightened/balanced crank etc...Is that even possible? What will porting the head or swaping the head get me? I've heard of getting to 7k but from what i hear that doesn't mean power is being made to 7k. What do you think is the best solution...getting the .48hot/.50cold instead of .58hot/.63cold or trying to make power in higher rpms?
Now...one of the main reasons for not being able to make power @ higher revs is because of the 8.8 compression right? Could i get custom pistons with something like 10:1 or something to be able to make power higher?
That was my concern. I figured with the log manifold i could get a quicker spool. I was hoping to be able to make power to 7k after valve work, cam, pistons, rods, lightened/balanced crank etc...Is that even possible? What will porting the head or swaping the head get me? I've heard of getting to 7k but from what i hear that doesn't mean power is being made to 7k. What do you think is the best solution...getting the .48hot/.50cold instead of .58hot/.63cold or trying to make power in higher rpms?
Now...one of the main reasons for not being able to make power @ higher revs is because of the 8.8 compression right? Could i get custom pistons with something like 10:1 or something to be able to make power higher?
01-10-2006, 12:48 PM
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Re: (bigdaddyvtec)
I'm planning to boost in the spring and going with the 48/50 sounds like a plan. 
I will be swapping in the H22 manual trans in place of my auto so that should give me some extra tq and get me movin faster. I think getting around 270 whp if i can will be plenty for now and then improve internals later for higher boost and power.
Just curious...what kind of power do you think you could get running on 20-25 psi? Are we talking 325-350 or more?
What clutch are you using?
I will be swapping in the H22 manual trans in place of my auto so that should give me some extra tq and get me movin faster. I think getting around 270 whp if i can will be plenty for now and then improve internals later for higher boost and power. Just curious...what kind of power do you think you could get running on 20-25 psi? Are we talking 325-350 or more?
What clutch are you using?
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