Dyno tuning the LX9 ITB setup
Moderator: Series8217
- Shaun41178(2)
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Dyno tuning the LX9 ITB setup
I got it street tuned and its ok to drive around. I got some dyno time scheduled.
Looking at 13-14 lbs for max boost. Then try it with a 30 shot. Gonna play with the timing to see how much that adds if any. Right now base timing is set to 8 degrees btdc
Give me your hp and tq guesses.
Turbo lx9 3.5 with ported heads and custom itb intake
Looking at 13-14 lbs for max boost. Then try it with a 30 shot. Gonna play with the timing to see how much that adds if any. Right now base timing is set to 8 degrees btdc
Give me your hp and tq guesses.
Turbo lx9 3.5 with ported heads and custom itb intake
Last edited by Shaun41178(2) on Sat Oct 02, 2021 4:57 pm, edited 1 time in total.
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- Peer Mediator
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Re: Dyno tuning the setup
Those were... 215 stock?
400/440 at the wheels.
400/440 at the wheels.
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Re: Dyno tuning the setup
Why not put it into desktop dyno and just put those numbers as your sig.
My guess is 380/410.
My guess is 380/410.
- Shaun41178(2)
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Re: Dyno tuning the setup
205 crank was factory hp rating
- Series8217
- 1988 Fiero Track Car
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Re: Dyno tuning the setup
My guess is 392 whp / 412 ft lbs
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- Peer Mediator
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Re: Dyno tuning the setup
When is it scheduled?
Oh yeah... I wasn't thinking about the TPC intake... new guess: 440/440
- Shaun41178(2)
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Re: Dyno tuning the setup
I went fri. ![Smile :)](./images/smilies/smile.gif)
![Smile :)](./images/smilies/smile.gif)
FieroPhrek working on that ls4 swap for 18 years and counting now. 18 years!!!!! LOL
530 whp is greater than 312
530 whp is greater than 312
- Shaun41178(2)
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- Peer Mediator
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Re: Dyno tuning the setup
Dayum... I wasn't far off on the torque, but CRAZY top end. NICE!
- Shaun41178(2)
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- crzyone
- JDM Power FTW
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Re: Dyno tuning the setup
Fuckn' A man, nice numbers! Your fiero would smoke my FD. Hoping to get around 450whp with mine, getting more docile in my old age.
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Re: Dyno tuning the setup
Well shame on me for shorting you.
Is that with or without nitrous?
No correction factor? You could easily find another 100whp through an arbitrary correction factor you can't explain.![Very Happy :-D](./images/smilies/biggrin.gif)
Is that with or without nitrous?
No correction factor? You could easily find another 100whp through an arbitrary correction factor you can't explain.
![Very Happy :-D](./images/smilies/biggrin.gif)
- Shaun41178(2)
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Re: Dyno tuning the setup
No nitrous. So there is more left in the setup.
I did spray a test run for only about 1k rpm to see what would happen. I picked up about 30 hp and 80 lb ft of tq. Lol. I am gonna upload a video of that. I don't have a dyno chart of the nitrous pull cause it was pointless but I could go back and get it if you guys absolutely insist. I think its pointless cause I didn't do a full pull with it.
I am guessing I would have been in the 550-560 whp range if I took it to 6500 rpm.
Sae correction factor was 520. Real hp was 530.
I just sold the itb setup and heads so no track times will be achieved. New owner wants to do a NA setup and maybe turbo later into his 88 formula
I did spray a test run for only about 1k rpm to see what would happen. I picked up about 30 hp and 80 lb ft of tq. Lol. I am gonna upload a video of that. I don't have a dyno chart of the nitrous pull cause it was pointless but I could go back and get it if you guys absolutely insist. I think its pointless cause I didn't do a full pull with it.
I am guessing I would have been in the 550-560 whp range if I took it to 6500 rpm.
Sae correction factor was 520. Real hp was 530.
I just sold the itb setup and heads so no track times will be achieved. New owner wants to do a NA setup and maybe turbo later into his 88 formula
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- Peer Mediator
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Re: Dyno tuning the setup
LOL... WTF dude?
What's going in there in its place?
What's going in there in its place?
- Shaun41178(2)
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Re: Dyno tuning the setup
Possibly selling car as a roller. Parting it out is too much work. I have a new project car that is a better platform.
If I could sell it as a roller I would. Spread the word. 88 formula 5 spd.
If I could sell it as a roller I would. Spread the word. 88 formula 5 spd.
- Shaun41178(2)
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Re: Dyno tuning the setup
video of test hit of nitrous on dyno. only went to maybe 5k rpm or so. not a full pull. you can see me push the button then you hear the engine start singing.
https://youtu.be/pAxQ3oQQhZw
https://youtu.be/pAxQ3oQQhZw
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- Peer Mediator
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Re: Dyno tuning the setup
Do you need Ritalin for that ADD?
530 RWHP and 2900# with excellent traction is a tough customer... You going with a turbo C6 ZO6?
530 RWHP and 2900# with excellent traction is a tough customer... You going with a turbo C6 ZO6?
- Shaun41178(2)
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Re: Dyno tuning the setup
Its prob closer to 2700 with me in it. I pulled close to 300 lbs out of it.
It needs suspension work. It drives fine but with this power I dont trust any of the original parts. It needs torn down and all new bushings and bolts, springs shocks, etc.. Its more work than I want do to right now because I have a feeling a lot of stuff is gonna break on removal and be a total pain in the ass.
I'd look at getting a lower mile v6 5 spd for a 3900 swap vs tearing thia one apart.
It needs suspension work. It drives fine but with this power I dont trust any of the original parts. It needs torn down and all new bushings and bolts, springs shocks, etc.. Its more work than I want do to right now because I have a feeling a lot of stuff is gonna break on removal and be a total pain in the ass.
I'd look at getting a lower mile v6 5 spd for a 3900 swap vs tearing thia one apart.
- crzyone
- JDM Power FTW
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Re: Dyno tuning the setup
Wow, just got it dialed in and now it's gone. Sounds like me lol... N* fiero, 2 GTRs and now into my 4th rx7...
Sticking with the Fiero platform eh?
Sticking with the Fiero platform eh?
- Shaun41178(2)
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Re: Dyno tuning the setup
Nah I have a new project car that's not fiero related.