Took the Red Sled out for a fall day...
11-23-2016, 02:38 PM
#1
AMP Racing
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2023 C5 of the Year Finalist - Modified
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St. Jude Donor '09-'10-'11-'12
Took the Red Sled out for a fall day...
Went to Maryland International Raceway for a track day to work on the tune a bit. Ran a new best. 9.45@141
11-23-2016, 04:24 PM
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AMP Racing
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Thanks guys.
Paul, I guess technically, it's for sale, but only as a roller. I love this engine. I'd like a 69 Firebird to put this in and race.
Paul, I guess technically, it's for sale, but only as a roller. I love this engine. I'd like a 69 Firebird to put this in and race.
11-23-2016, 04:53 PM
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Burning Brakes
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Pete, congrats on a new best. can you post up some info on your combo. I'm running a 418 ls3 base motor. I had it out once and ran a 9.57 on the limiter last 100 feet. Had limiter set at 7800
Last edited by L79racer; 11-23-2016 at 04:54 PM.
11-23-2016, 05:25 PM
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Holy cow... 7800 on the limiter? What gear are you running?
My setup is an LS7 block with forged rotating assembly. LSX-LS7 heads milled down to 56cc. Brian Tooley cam. 255/266 670/632 on a 110lsa and 107 intake centerline. Comp short travel lifters and Trend pushrods.
Holley hi ram port matched to the heads. Dave Thornton at D&F did the head/intake work.
LS2 throttle body.
My converter is crazy loose. Reviewing the logs, the engine hits 4920rpm nbefore it registers 1mph of movement. On the T brake, with the 2-step disconnected, it goes to 7100.
This is through a stock gear ratio TH400 and 3.73 gears and a 28" tire.
According to the Wallace online calculator, I'm over 16% slip on the converter. I need to address that.
My setup is an LS7 block with forged rotating assembly. LSX-LS7 heads milled down to 56cc. Brian Tooley cam. 255/266 670/632 on a 110lsa and 107 intake centerline. Comp short travel lifters and Trend pushrods.
Holley hi ram port matched to the heads. Dave Thornton at D&F did the head/intake work.
LS2 throttle body.
My converter is crazy loose. Reviewing the logs, the engine hits 4920rpm nbefore it registers 1mph of movement. On the T brake, with the 2-step disconnected, it goes to 7100.
This is through a stock gear ratio TH400 and 3.73 gears and a 28" tire.
According to the Wallace online calculator, I'm over 16% slip on the converter. I need to address that.
Last edited by C5 Pete; 11-23-2016 at 05:28 PM.
11-23-2016, 06:22 PM
#7
Burning Brakes
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Im running 4.56 gear still with a 5500 converter. I'm running a cammotion low lash solid roller 260 276 720 lift so its gonna need some rpm. heads are trick flow genx 255's from total engine air flow. I can only fit a victor jr with no spacer under the hood so It may be restricting me a little. still need to fine tune it but I think I should be just about where you are running. I might drop the gear to a 4.30 to keep it at around 7800 through the traps with a little 28x9 slick.
11-23-2016, 07:03 PM
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I've followed along a bit with your posts on YB about the car. I didn't realize the gear you're running. That's a lot of gear. Woohoo!! I would think that a 4.30 would probably be better for longevity of everything.
Too bad you can't fit a spacer, I'm sure that would give you quite a bit of you could fit a 2" spacer in there.
Too bad you can't fit a spacer, I'm sure that would give you quite a bit of you could fit a 2" spacer in there.
11-23-2016, 07:35 PM
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Burning Brakes
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yea i still will probably go with a 4.30. my nephew wants me to drop to a 4.11. Im looking for another hood to modify to raise the bulge yet still look like a factory BB hood. Then I''l add the spacer or go with a super victor and let this thing eat. Good Luck with your vette and a 69 bird with an LS would be cool.
11-24-2016, 07:46 AM
#10
Melting Slicks
yea i still will probably go with a 4.30. my nephew wants me to drop to a 4.11. Im looking for another hood to modify to raise the bulge yet still look like a factory BB hood. Then I''l add the spacer or go with a super victor and let this thing eat. Good Luck with your vette and a 69 bird with an LS would be cool.
11-24-2016, 09:39 AM
#11
Burning Brakes
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Doing good Paul. Yes we will see you guys this season for sure. I should have this dialed in to run a 10.0 index this coming season and so should my nephew. He switching over to EFI right now and should be up and running this week.
11-25-2016, 10:48 AM
#12
Melting Slicks
11-25-2016, 08:12 PM
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Thanks all!
I hope to get to a bunch of the local 10.0h races in 2017... Work often seems to get in the way...
I hope to get to a bunch of the local 10.0h races in 2017... Work often seems to get in the way...
11-29-2016, 03:30 AM
#19
Melting Slicks
Congrats on the awesome performance. How much does the car weigh?
What is your method for dialing to a 10.0?
11-29-2016, 09:12 AM
#20
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Thanks.
It weighs 3050 with me in it.
I tune it the same way most others do that have a DBW throttle.
It weighs 3050 with me in it.
I tune it the same way most others do that have a DBW throttle.