TSP 383 dynoed today at RPM in NC
01-16-2017, 02:19 PM
#43
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The box is MTI. It didn't want to stay running. I adjusted the throttle cable and played with the screw. She idles now but has a dip when you take it out of gear. My tuner will clean the IAC counts up.
QUOTE=SoFla01SSLookinstok;19507636]Nice! You'll gain everywhere. The hp should get to around 485.[/QUOTE]
QUOTE=SoFla01SSLookinstok;19507636]Nice! You'll gain everywhere. The hp should get to around 485.[/QUOTE]
02-10-2017, 12:17 AM
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So a little update here. I noticed a few people saying the full exhaust was a potential restriction so I added a 3" electric cutout. The cam Sounds pretty sweet through that thing. I have an appointment for retune at RPM on feb 22.
I was able to get it to fire off and cold idle then warm down on its own. I only have a little diablo Intune that I used on my truck but it has a data log that allowed me to set the tps voltage in the .55 range. Did that, did the tps relearn and she fires off and idles like it should. The issue with the fast tb is the iac ports in the Throttle Body, they're small. I opened them up a bit with a dremmel and no she behaves very well.
I was able to get it to fire off and cold idle then warm down on its own. I only have a little diablo Intune that I used on my truck but it has a data log that allowed me to set the tps voltage in the .55 range. Did that, did the tps relearn and she fires off and idles like it should. The issue with the fast tb is the iac ports in the Throttle Body, they're small. I opened them up a bit with a dremmel and no she behaves very well.
02-22-2017, 07:43 PM
#49
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I'll say good job. So with the S60, known to rob some power, & the fast 92/92 you still gained 9hp & 6lb/ft.
Agree about the power starting to drop, at 6200-6300, with your combo. The first question I would ask is about the exhaust. Was it run through the cats & magnaflow cat back? Did you have a cutout open?
Agree about the power starting to drop, at 6200-6300, with your combo. The first question I would ask is about the exhaust. Was it run through the cats & magnaflow cat back? Did you have a cutout open?
02-23-2017, 05:51 PM
#53
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Maybe to make you feel a little better, your 383 beats my motor to 400lb/ft by several hundred rpm. Your tq curve looks good.
I'll just finish with my opinion. If you're going to run a nice size cam with over 20*, or more, of overlap make sure you have a very free flowing exhaust set up. Overlap & exhaust back pressure don't mix nicely.
Not saying that's what IS causing the power to drop off. That's just where I would start. Do a dyno run with straight headers & see what the curve looks like.
I'll just finish with my opinion. If you're going to run a nice size cam with over 20*, or more, of overlap make sure you have a very free flowing exhaust set up. Overlap & exhaust back pressure don't mix nicely.
Not saying that's what IS causing the power to drop off. That's just where I would start. Do a dyno run with straight headers & see what the curve looks like.
02-23-2017, 06:13 PM
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They do a pretty damn good job. I felt like the red headed step child with my old Trans Am making under 500. That shop is full of new corvettes, camaros and other newer stuff making great power.
02-23-2017, 10:02 PM
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im thinking mine may be toast anyway. The car has had some rich tunes in it with a pretty big cam. Lots of fuel smell behind the car. Combine that with cats and no AIR system for many years. I wonder if that's what's killing my top.