Quote:
Originally Posted by Andy@Livernois
Actually no, unmodified blower, and unmodified blower snout, just a 90mm TB, cai, and our stage 2 heads were the only airflow improvements
Typically a 15* head is actually better for this type of build since the rotated valve angle makes the head favor the intake port even more so then it already does. Don't get me wrong better flow is better flow, but it usually hurts the exhaust rotating the angle over, and since it's a blower it needs more help on the exhaust side then the intake anyways. Again, the intake improvement is always beneficial.
It will be interesting to see the results.
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AH!... Thanks for the input. That makes sense
You guys are the experts
What are your thoughts on a splayed-valve? Big blocks ran these, and seems more like it would be more in line of what valve angle fits that particular valve alignment.
Thanks Andy - it's all very interesting
Quote:
Originally Posted by 1st Gen Forever
I like the discussion guys!
Rad, I'm not experienced in this like the shops that have been doing it a while but from my research, if I were looking for a stealth solution, I would do the following at a high level:
-Port the stock heads
-Port the supercharger
-Go with a mild step up in cam/springs
-Change the lower pulley only (9.55 maybe)
-Larger fuel injectors
-Better heat exchanger
-Tune
Beyond the above, leaving the stock exhaust and intake would offer the best stealth look but you'll be limiting flow. If you add exhaust and a CAI with the above you should be looking at a solid 600 to 640HP to the wheels, not spend a whole lot, (maybe $8k) and look mostly stock under the hood.
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Of course - thanks for your comments and input. I think you're seeing what I'm thinking. I really only want to get to a little more than 600 RWHP, because I need to pass a sniffer, too. What you're posting is really just increasing efficiency, which is what I was thinking would be for the best for me. My exhaust would strictly be CARB-shorties (ARHs) and maybe an X-pipe, so I'm a little handicapped. I might have to cheat on my CAI though... I don't know what you're spending on porting the blower, but I was thinking that would be worth a set of GMPP CNC'd heads, and I wouldn't have to really add too much more boost. I wouldn't go much more than an LS9 cam, but I really would like to keep from digging into the short block.
I'm sorry - just split-balling and can't wait to see what you come out with. I'm really looking forward to seeing the blower, because the snout looks OUTSTANDING!!! OMG!!! Are there any identification marks or machining on the outside of the heads, like below the exhaust ports or on the front or rear? Like I mentioned - I need stealth
Thanks for all your comments
