Help me with dyno numbers
07-31-2009, 08:26 AM
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Help me with dyno numbers Alright here's my set up. And before I go on, I really don't care about dyno numbers, I just want to make sure my set up isn't being hampered in some way and I will be hitting the track here soon to see how its actually running.
TSP Forged 347. 243 Heads with a 5 angle valve job and 2.05 Ferra intake valves with Patriot dual golds, 7.4 pushrods, stock rockers. SLP lid, LS6 intake, stock TB,MAF, water pump, a/c etc. Also had TR6 plugs(going to spray it soon), Pacesetter LT's, 3" mandrel bend Y with Flowmaster Merge. 3" I pipe with Spintech Prostreet and 3" over axle with 2.5" tailpipes. Cam is a custom with 238/242-605/610 on a 113+4. Yank SS4000 verter, FLT Level 4 4L60E and a stock 10 bolt with 3.73s.
I don't have the sheets, but it made 370 and 350 with the converter locked. It did show some signs of valve float around 6300ish, but power didn't fall off like a rock and carried out to 6600. Temp showed to be in the 80's with 33% humidity.
Back in Novemeber with a stock 98 intake and a 2.5" compression bent Y pipe and a cut out with a Yank SS3600 it made the same numbers. Now I know that it did pick up power considering its a lot warmer and I went to a 4K stall, but it just doesn't seem right.
I know a cut out is going to gain me a few more ponies as will new valve springs, but I was really thinking it'd be closer to 400 with the new Y pipe and intake. Any thoughts or insight what I should do or look at aside from the valve springs and reinstalling my cut out?
TSP Forged 347. 243 Heads with a 5 angle valve job and 2.05 Ferra intake valves with Patriot dual golds, 7.4 pushrods, stock rockers. SLP lid, LS6 intake, stock TB,MAF, water pump, a/c etc. Also had TR6 plugs(going to spray it soon), Pacesetter LT's, 3" mandrel bend Y with Flowmaster Merge. 3" I pipe with Spintech Prostreet and 3" over axle with 2.5" tailpipes. Cam is a custom with 238/242-605/610 on a 113+4. Yank SS4000 verter, FLT Level 4 4L60E and a stock 10 bolt with 3.73s.
I don't have the sheets, but it made 370 and 350 with the converter locked. It did show some signs of valve float around 6300ish, but power didn't fall off like a rock and carried out to 6600. Temp showed to be in the 80's with 33% humidity.
Back in Novemeber with a stock 98 intake and a 2.5" compression bent Y pipe and a cut out with a Yank SS3600 it made the same numbers. Now I know that it did pick up power considering its a lot warmer and I went to a 4K stall, but it just doesn't seem right.
I know a cut out is going to gain me a few more ponies as will new valve springs, but I was really thinking it'd be closer to 400 with the new Y pipe and intake. Any thoughts or insight what I should do or look at aside from the valve springs and reinstalling my cut out?
07-31-2009, 12:58 PM
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Not really just for the strip as its my daily driver. I'm really hoping it runs well at the track as it always did with the stock engine and 224 cam.
