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Old May 26th, 2016, 08:06 AM   #1
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Max redline on J35

As some of you know I have a J35 from a 06 Odyssey in my 06 Accord. I ordered Bisimot cams, springs and retainers. I will be keeping the valves stock and the bottom end is stock.

The question is what is the max RPM this engine is capable of built like this? Bisimoto said that with this setup the engine can handle a redline at 8500 RPM's. To me that seems steep. I was thinking maybe set it at 8k. You guys think that should be fine? I dont want to blow it up.
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Old May 26th, 2016, 08:55 AM   #2
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You're certainly not going to make power to 8k rpm unless you have CNC ported heads paired with a pretty serious custom Bisi regrind - aka not a shelf spec.

I've personally revved a built j35 motor to 8k, but it is fully built and has a rebalanced rotating assembly, and is Rotrex supercharged so it can make use of said forced induction well above 7k rpm.

With a stock bottom end and with aftermarket valve springs, retainers, and custom Bisi cams (which were about as serious of cams as you can go without heavy machining work on the heads to support more lift) I safely revved to 7400 on a daily basis - even though peak power was made by 7200 on a Dyno.

I'd stick with where you make power till, not exceeding 7500rpm unless you want to experiment with bearing limits of a factory balanced rotating assembly. My j35a8 factory balanced rotating assembly was about 40 grams out of balance on my j35a8. Not too shabby, but again, its an unknown to push the envelope too far on a factory balance.
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Old May 27th, 2016, 10:32 AM   #3
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Sounds good. i will just keep the redline where it is at to be on the safe side.

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Originally Posted by gerzand View Post
You're certainly not going to make power to 8k rpm unless you have CNC ported heads paired with a pretty serious custom Bisi regrind - aka not a shelf spec.

I've personally revved a built j35 motor to 8k, but it is fully built and has a rebalanced rotating assembly, and is Rotrex supercharged so it can make use of said forced induction well above 7k rpm.

With a stock bottom end and with aftermarket valve springs, retainers, and custom Bisi cams (which were about as serious of cams as you can go without heavy machining work on the heads to support more lift) I safely revved to 7400 on a daily basis - even though peak power was made by 7200 on a Dyno.

I'd stick with where you make power till, not exceeding 7500rpm unless you want to experiment with bearing limits of a factory balanced rotating assembly. My j35a8 factory balanced rotating assembly was about 40 grams out of balance on my j35a8. Not too shabby, but again, its an unknown to push the envelope too far on a factory balance.
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Old February 21st, 2018, 03:28 PM   #4
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So with a j35a6 I can rev to 7200? I wasn't sure cause it's built in vehicles that rev only to like 5000
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