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Old 07-07-2010, 07:29 PM   #1374
Scooby Newbie
Member#: 116814
Join Date: Jun 2006
Location: Colorado Springs
2003 wrx wagon


Results with the HTA68 on the 2.0l are definitely a mixed bag. When pushed to higher boost levels on E85 it seems to be a decent option. Here are results at 5000' (Longmont, CO) with a 1.32 CF.


This was with a FMIC at 22psi peak boost. Even at a more reasonable CF of 1.16 (316 whp), this is a pretty decent result. I have not seen any data for an E316G at this level in Colorado with similar CF on a DD dyno.

Here is another example with an STi TMIC at 20psi peak at 6000' (Colorado Springs) with 1.15 CF


...and for comparison here again is my best result with the Deadbolt TD04L-19T at 22 tapering to 18 psi with APS TMIC and 1.15 CF at 6000' (Colorado Springs).


The HTA68 is lagging my TD04 by only 500 rpm at 200 lb-ft (4200 rpm vs 3700). So, +15% peak power for 500 rpm later spool. Hmmm... it's good to have different options!
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