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Has Vishnu Performance tuned any HKS 274 int / 264 exh cars?

 
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Old Aug 24, 2004, 09:00 AM
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Has Vishnu Performance tuned any HKS 272 int / 264 exh cars?

I was wondering if you have had the oppurtunity to tune a HKS 272 int / 264 exh car?

You read a lot of crap on these boards, I was just wondering if you have any 1st hand knowledge of this set-up rollig accross you dyno.

If you have,

1. How is the power delivery & where?
2. Would you recommend this set-up?
3. What cam gear settings were they installed at?

Last edited by Aby@MIL.SPEC; Aug 24, 2004 at 09:05 AM.
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Old Aug 24, 2004, 09:25 AM
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We did in fact tune one car with that combo and it worked well. Very little difference, power output-wise, from the more traditional 264/272 combo. It did idle well at -2,-2 which was a pleasant surprise. However, we still need to test more examples of that combo before coming to any solid conclusions. Doing one car doesn't really cut it...

Cheers,
shiv
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Old Aug 24, 2004, 09:47 AM
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Shiv, I will have this setup for the Dynoday at Dyno4mance. How long do you think it will take to dial it in? I've heard that it offers more low to mid power versus the other setups.
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Old Aug 24, 2004, 10:04 AM
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Thanks for the quick reply.
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Old Aug 24, 2004, 10:51 AM
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Don't mean to hi-jack the thread by any means but, same question as WOT but with a 272/272 combo ?
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Old Aug 24, 2004, 11:09 AM
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Ive got this setup in my car right now; hopefully have some results for you guys soon. The idle is like that of a stage 1 car; it is in no way lumpy. Cam gears are set a -2/-2. I suspect the power delivery will be no different than any the other setups we've tested, but we'll have to see!
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Old Aug 24, 2004, 11:43 AM
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Originally Posted by lambtron@vishnu
Ive got this setup in my car right now; hopefully have some results for you guys soon. The idle is like that of a stage 1 car; it is in no way lumpy. Cam gears are set a -2/-2. I suspect the power delivery will be no different than any the other setups we've tested, but we'll have to see!
Which setup - straight 272's?
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Old Aug 24, 2004, 12:24 PM
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272 in 264 ex
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Old Aug 24, 2004, 12:34 PM
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Originally Posted by lambtron@vishnu
Ive got this setup in my car right now.
Have you driven it?


Originally Posted by lambtron@vishnu
I suspect the power delivery will be no different than any the other setups we've tested, but we'll have to see!
Maybe I should have phrased the question differently, asking where is the meat of the power? If 272's are peaky & you loose some mid range, the 272int / 264 exh combo gives you the most power @ ........

I am looking forward to hear your results. Will your tune / mods still consist of a TB w/cat, cam gears & xflash?
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Old Aug 24, 2004, 12:59 PM
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Yes, I did the install on friday, been driving it all week with a baseline 1+ map. Feels strong

My mods are full 1+ (cam gears, cams, dumpback exhaust, xflash) II'll try to test the setup both on the flash and an xede(race gas)
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Old Aug 24, 2004, 02:09 PM
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Please conduct a 91 octane ps check first!

What cams were you running before your current cam set-up?

Besides, your original stage 1 dyno plot looks strong compared to various post's in stg 1+ form with xflash only.

Your 255 peak ps vs a ps of 268, & ps 272....If I remember correctly, those 2 mentioned posts had 264/272 cam combo.
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Old Aug 24, 2004, 02:16 PM
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Originally Posted by WOT
Please conduct a 91 octane ps check first!

What cams were you running before your current cam set-up?

Besides, your original stage 1 dyno plot looks strong compared to various post's in stg 1+ form with xflash only.

Your 255 peak ps vs a ps of 268, & ps 272....If I remember correctly, those 2 mentioned posts had 264/272 cam combo.
Our cars usually have R&D parts on and off them. Brian is doing more R&D here and will have good basemaps for 91/93/100 ect.
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Old Aug 24, 2004, 02:21 PM
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Originally Posted by WOT
Please conduct a 91 octane ps check first!

What cams were you running before your current cam set-up?

Besides, your original stage 1 dyno plot looks strong compared to various post's in stg 1+ form with xflash only.

Your 255 peak ps vs a ps of 268, & ps 272....If I remember correctly, those 2 mentioned posts had 264/272 cam combo.
Sorry to but in, but the values Vishnu put out are in HP...if you want "ps" just multiply hp figure by 0.985

Last edited by Dyno4mance; Aug 24, 2004 at 04:57 PM.
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Old Aug 24, 2004, 03:01 PM
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IMO, no matter what HKS combo you use, the power results will be very similar. The lift is identical on both intakes cams (higher) and both exhaust cams (lower), and 8 degrees of duration isn't going to effect power that much.... At least that's what a little Vishnu bird from Tejas and I think.

Last edited by Noize; Aug 24, 2004 at 06:28 PM.
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Old Aug 24, 2004, 05:50 PM
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Uh, that TEJAS, son. IMHO, 8 degrees is significant over the stock cams. All I have to say is, 272/272 is ON from the word GO (hold on your cowboy hat)! Any HKS combo is a significant improvement over stock.


Why do you guys want to tune out the lope of the cams? That is so G-A-Y! Show the guy at the light you have *****. That way you can attract more of the overzelous Mustang punks.

-chris
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