LT1-LT4 Modifications 1993-97 Gen II Small Block V8

awsome cc503 dyno today

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Old Jun 23, 2008 | 06:02 PM
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Default awsome cc503 dyno today

i finally fixed my being advanced prob. (opti bad) so dynoed it today it is the car in my sig the only thing ive added since sig. is lt4 KM!! and keep in mind this is on a bone stock tune!!!! through stock heads i P&P myself there flow #s where 270ish/210ish. ohh and cc503 cam, but anyways i decided to get a before and after tune dyno. so i did the pull and cam up with 360.1 rwhp at5131rpm ,402.6 rwtq at 3124rpm, and its not tuned and i have a big exhaust leaks at egr pipe. i ran it up to 6200 rpm but at 5100rpm it started loseing power fast must be from stock injectors i guess or tune? ohh and this is a mustang dyno i am very happy i am hoping to be 450hp 450 tq ish when injectors and tune.!!! my heads are obviously pretty awsome so i aM VERY HAPPY!!! any thoughts GUYS on why it lost power at 5100 rpm?
Attached Thumbnails awsome cc503 dyno today-dyno-graph.jpg  

Last edited by transam1577; Jun 25, 2008 at 12:20 PM.
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Old Jun 23, 2008 | 06:11 PM
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Originally Posted by transam1577
i finally fixed my being advanced prob. (opti bad) so dynoed it today it is the car in my sig the only thing ive added since sig. is lt4 KM!! and keep in mind this is on a bone stock tune!!!! through stock heads i P&P myself there flow #s where 270ish/210ish. ohh and cc503 cam, but anyways i decided to get a before and after tune dyno. so i did the pull and cam up with 360.1 rwhp at5131rpm ,402.6 rwtq at 3124rpm, and its not tuned and i have a big exhaust leaks at egr pipe. i ran it up to 6200 rpm but at 5100rpm it started loseing power fast must be from stock injectors i guess or tune? ohh and this is a mustang dyno i am very happy i am hoping to be 450hp 450 tq ish when injectors and tune.!!! my heads are obviously pretty awsome so i aM VERY HAPPY!!! any thoughts GUYS on why it lost power at 5100 rpm?
Helps to HAVE a sig haha
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Old Jun 23, 2008 | 06:13 PM
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Sweet. That's the cam I want to get.
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Old Jun 23, 2008 | 06:16 PM
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oh sorry i thought i did my bad its a brand new stock bottom end, cc503,1.6 pro mag rr,stock 94 heads p&p by me flowed 270ish/210ish,ported intake,LTs pacesetter, flowmaster exhaust,lt4 KM,ram air,M6(on stock tune) stock injectors
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Old Jun 23, 2008 | 06:47 PM
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good #'s , you have some pretty decent flowing heads
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Old Jun 23, 2008 | 09:36 PM
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Stock injectors
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Old Jun 23, 2008 | 11:07 PM
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i know but i dont know what size injectors to go with any thoughts?
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Old Jun 23, 2008 | 11:10 PM
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Originally Posted by transam1577
i know but i dont know what size injectors to go with any thoughts?
racetronix 32.2
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Old Jun 23, 2008 | 11:27 PM
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32lbs are those big enough? i was thinking 36-42lbs
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Old Jun 23, 2008 | 11:46 PM
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Yeah they are big enough. I ran 30lb SVOs with my LPE heads/cam setup.
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Old Jun 24, 2008 | 12:20 AM
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good numbers
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Old Jun 24, 2008 | 12:26 AM
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why you are losing power?

1. stock injectors
2. big exhaust leak
3. untuned

seems like you answered your own question lol

and no there is no way you are going to hit 450rw with that setup even if its working right.
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Old Jun 24, 2008 | 12:34 AM
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then what do you think i will hit
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Old Jun 24, 2008 | 12:41 AM
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Originally Posted by transam1577
i finally fixed my being advanced prob. (opti bad) so dynoed it today it is the car in my sig the only thing ive added since sig. is lt4 KM!! and keep in mind this is on a bone stock tune!!!! through stock heads i P&P myself there flow #s where 270ish/210ish. ohh and cc503 cam, but anyways i decided to get a before and after tune dyno. so i did the pull and cam up with 360.1 rwhp at5131rpm ,402.6 rwtq at 3124rpm, and its not tuned and i have a big exhaust leaks at egr pipe. i ran it up to 6200 rpm but at 5100rpm it started loseing power fast must be from stock injectors i guess or tune? ohh and this is a mustang dyno i am very happy i am hoping to be 450hp 450 tq ish when injectors and tune.!!! my heads are obviously pretty awsome so i aM VERY HAPPY!!! any thoughts GUYS on why it lost power at 5100 rpm?
stock cubes??
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Old Jun 24, 2008 | 01:17 AM
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Originally Posted by transam1577
then what do you think i will hit
you will be lucky to get anywhere close to 400 with that cam, I will guess 385.
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Old Jun 24, 2008 | 10:40 AM
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high 300's low 400's aren't impossible, but thats with a good tune, healthy compression and well worked heads
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Old Jun 24, 2008 | 10:41 AM
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also my cc503 cam only car was still making power at 6,400rpm but then again that was with stock heads, not sure how the cam pulls with worked ones
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Old Jun 24, 2008 | 04:16 PM
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wow thats basically the set up i want, sounds like good numbers!
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Old Jun 24, 2008 | 04:20 PM
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That is a crazy high torque number for a 350/355.
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Old Jun 24, 2008 | 07:04 PM
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i know especcially untuned and keep in mind i have a big exhaust leak
ran out of injector at 5100 and the cc503 with my heads should pull 6300-6500rpm plenty of horses to be mad there but i will post the dyno sheet asap
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