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Old April 7th, 2011, 08:14 PM   #1
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AV6 Stock internals

Wats the highest on stock internals would j30a4 motor rev too safely ? After 6800 Rpm
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Old April 7th, 2011, 10:20 PM   #2
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Quote:
Originally Posted by jiga21 View Post
Wats the highest on stock internals would j30a4 motor rev too safely ? After 6800 Rpm
I'm curious as to why you want to rev past the recommended rpm?
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Old April 7th, 2011, 11:09 PM   #3
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I'm curious as to why you want to rev past the recommended rpm?
When I purchase this flashpro for j motors from J&R I'm pretty sure rev limit can be increased, Vtec lowered and especially with tuned boltons, jmotor will be screaming for a rev limiter increase so it can continue to make a fatter powerband
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Old April 8th, 2011, 06:36 AM   #4
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I agree with the person above, I don't know the specifics of this flash pro, But the accord won't make power past 6800 by itself. Again, I don't know what mods you have, but usually people that increase their rev limit usually have done extensive internal mods, especially vavlvetrain upgrades.
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Old April 8th, 2011, 07:09 AM   #5
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yo...

anything past 6800 on stock valve train I wouldn't recommend...


if you go with SuperTech or KMS you can get upgraded valvetrain...

still i think this only gives you 7200 or 7500rpm...I am not really sure...you would have to ask PAUL a.k.a NVA-AV6...this is more a question he could give a definite answer on....I know stock you go past 6800 (mechanical over rev)....things start to break and give way....so I would think would the upgraded valve train you would get a little more but not too much....but Paul if your reading this ....please chime in...
so what's this flashpro?

I thought J & R was doing a megasquirt setup?
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Old April 8th, 2011, 12:42 PM   #6
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^^ It is Megasquirt, he's just using a different name.

I wouldn't raise the rev limiter as we stop making power after 6500 RPM. The only reason we should shift higher is to stay in VTEC when the RPMs drop in the next gear. The only way you'd have to raise the rev limiter is if you had all intake porting (manifold/runners), 3in exhaust, and cams. Then I'd expect 7200 to be a good limiter. But raising the rev limiter without valvetrain wouldn't be something I'd recommend...Paul or Kiet would know this.
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Old April 8th, 2011, 12:51 PM   #7
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Yea you would need some valve train supporting mods. Def porting, new springs/retainers and cams. KMS has a package for $600 which I would like to get one day but then you also need to factor in porting and tuning. It adds up quick.
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Old April 8th, 2011, 12:56 PM   #8
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in for an accurate answer...i can tell you P2R used to rev to 8000rpms regularly on his road racing accord on a stock J32a2...idk if this motor has different internal than our J30a4 though...maybe if we answer this than we will get a better idea of what to expect
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Old April 8th, 2011, 01:05 PM   #9
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heres some food for thought:

2003 Accord V6, 2003 Acura Cl-S, 2004 Acura TL
Valve Spring Part #

Int - 14761-A02
Ex - 14762-A02

2008 Accord V6 & 2008 Acura TL-S
Valve Spring PArt #
Int - 14761-003
Ex - 14762-A03

Discuss....
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Old April 8th, 2011, 02:41 PM   #10
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There was a thread on here i had read at some point where i think it was Paul who said the lowest rpm he had seen valves get ruined due to mis-shift/over-rev was 76xx.
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Old April 8th, 2011, 03:42 PM   #11
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Cubano, Is that the new model tl's, if not, then I can tell you that they do fit. Paul recomended using the tl-s springs when using the tl-s cams because they were stiffer.
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Old April 8th, 2011, 09:49 PM   #12
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Off subject -Any ideas on the jnr 'megasquirt' release date?

And Jiga21 - are you planning on staying NA?
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Old April 9th, 2011, 05:02 PM   #13
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Pulling 8K on that engine is just ignorant. He is not gaining anthing by pulling more than 6,800RPM's except making noise and soon to be parts.

Quote:
Originally Posted by Cubanob247 View Post
in for an accurate answer...i can tell you P2R used to rev to 8000rpms regularly on his road racing accord on a stock J32a2...idk if this motor has different internal than our J30a4 though...maybe if we answer this than we will get a better idea of what to expect
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Old April 10th, 2011, 06:18 PM   #14
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Cubano, Is that the new model tl's, if not, then I can tell you that they do fit. Paul recomended using the tl-s springs when using the tl-s cams because they were stiffer.
Yes the 09 TL 3.7L has the same valve spring part numbr as the 07 - 08 TL-S 3.5L
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Old April 11th, 2011, 02:47 PM   #15
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Still waiting for Paul/Kiet to respond on this. I am very interested because on my dyno plot, the power did NOT drop at redline.

Mydyno.jpg picture by Sonnick - Photobucket

Notice it plains off around 6300, but doesn't drop (well, maybe 2hp but nothing significant at all). We may in fact 'hold' power to ~7200RPM. I've never seen anyone rev the J series past 7, so I don't know. This was before my 3in exhaust btw.
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Old April 12th, 2011, 07:01 PM   #16
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sonnick were cool n all but you do realize ur dyno spiked 255 at redline when it hit the limiter right? your actual numbers are about 250whp and thats standard correction...soo...SAE ur probly at 245 actual WHP...just sayin...not that its important in this thread though
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Old April 12th, 2011, 07:07 PM   #17
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^^ That could be so. The graph does go slightly above 250 around 6300 though, but honestly I thought those numbers were slightly high anyway lol. I'd guess around 245 as well. It was a hot/humid day, so Idk what the SAE correction would've been.

Oh Paul...check PM.
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Old April 12th, 2011, 07:20 PM   #18
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^^ That could be so. The graph does go slightly above 250 around 6300 though, but honestly I thought those numbers were slightly high anyway lol. I'd guess around 245 as well. It was a hot/humid day, so Idk what the SAE correction would've been.

Oh Paul...check PM.
go it responded...
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Old November 8th, 2011, 03:14 PM   #19
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I know this thread is a few months old, but I didn't want to create another new thread to ask about the same thing.

I just recently got my '06 V6-6MT after years in my '01 I4-5MT (F23A4). My old F23 noticeably dropped off in power as I approached the redline, so I rearely hit the rev limiter. In my "new" V6 I have hit the rev limiter on several occasions because I don't notice any significant drop in power at the top end.

This led me to believe that if I could upgrade the engine more power would be available (or at least a wider usable power band). From the comments in this thread it sounds like the weak link in the J30 is the valve train, and not the bottom end.

Can anyone offer anything more specific on this subject? What RPM would the TL-S cam/springs allow? Are there any aftermarket kits that you would recommend? If the valvetrain is upgraded, what is the max RPM that the bottom end can handle?

Joe
-2006 Accord Coupe V6-6MT
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Old November 8th, 2011, 06:14 PM   #20
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I asked this in my N/A capabilities thread and didn't get a response to the rpms.
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Old November 9th, 2011, 09:57 AM   #21
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I wouldnt go much above 7000 man, its just tempting fate.
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