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EvanZR1 · 12-23-2010

Ok, as I posted in NachoZR1's post over on CF, we were at the dyno last night, and my car only did 300RWHP. Car has (supposedly, need to find receipts from previous owner) a Corey Henderson chip, and top end porting from him. Also has 4.10 gears, but that shouldn't affect dyno readings. I was going to check the secondaries by turning the power key to normal, but apparently with Corey's chip it is full power all the time. The car runs really well, and pulls strong all the way to the top. If I hadn't seen the dyno on it, I'd say it was putting down a little more than my LT4 Firehawk (330RWHP).

So my thoughts for what might be wrong are:
collapsing intake duct
failing/clogged cats
secondaries not opening

Any other ideas?

Here's the dyno:

12-23-2010	#1
EvanZR1 Join Date: Nov 2010 Location: Omaha Posts: 403	Help, only dynoing 300RWHP Ok, as I posted in NachoZR1's post over on CF, we were at the dyno last night, and my car only did 300RWHP. Car has (supposedly, need to find receipts from previous owner) a Corey Henderson chip, and top end porting from him. Also has 4.10 gears, but that shouldn't affect dyno readings. I was going to check the secondaries by turning the power key to normal, but apparently with Corey's chip it is full power all the time. The car runs really well, and pulls strong all the way to the top. If I hadn't seen the dyno on it, I'd say it was putting down a little more than my LT4 Firehawk (330RWHP). So my thoughts for what might be wrong are: collapsing intake duct failing/clogged cats secondaries not opening Any other ideas? Here's the dyno: