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Max 'safe' RPM's - stock B18A bottom end

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Old Jun 22, 2006 | 08:44 AM
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Default Max 'safe' RPM's - stock B18A bottom end

I have a turbo'd B18A with extensive head work but a stock bottom end. The car is track use only so it does not get driven on a regular basis. Any recommendations on where to set the rev limiter before the rods (or other components) start having 'issues'?
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Old Jun 22, 2006 | 09:38 PM
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Default Re: Max 'safe' RPM's - stock B18A bottom end (URNVS)

Bump...anyone?
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Old Jun 23, 2006 | 02:36 AM
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Default Re: Max 'safe' RPM's - stock B18A bottom end (URNVS)

i would try to keep it under 7500rpm.
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Old Jun 23, 2006 | 07:14 PM
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Default Re: Max 'safe' RPM's - stock B18A bottom end (non-VTEC)

Thanks! Anyone know about how many HP's the stock rods are good for?
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Old Jun 23, 2006 | 08:16 PM
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Default Re: Max 'safe' RPM's - stock B18A bottom end (URNVS)

rods and pistons are good for 300-400hp(you can get stupid and push it to 500)
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Old Jun 23, 2006 | 09:04 PM
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Default Re: Max 'safe' RPM's - stock B18A bottom end (savinGAShaulinAss)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by savinGAShaulinAss &raquo;</TD></TR><TR><TD CLASS="quote">rods and pistons are good for 300-400hp(you can get stupid and push it to 500)</TD></TR></TABLE>

I don't know anyone that has pushed 500hp on stock bottom end and had it last longer than 30 seconds.

THe sleeves will start to crack at 300whp. If you plan on making that kind of power, then you should plan on a bottom end build for it.
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Old Jun 24, 2006 | 10:08 AM
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Default Re: Max 'safe' RPM's - stock B18A bottom end (SuzukaBlueAP2)

https://honda-tech.com/zerothread?id=132877

and its a b series so the walls can hold more than 300hp(dont include b20 those r like old condoms,some get the job done and some just break)
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Old Jun 24, 2006 | 06:11 PM
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Default Re: Max 'safe' RPM's - stock B18A bottom end (SuzukaBlueAP2)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SuzukaBlueAP2 &raquo;</TD></TR><TR><TD CLASS="quote">

I don't know anyone that has pushed 500hp on stock bottom end and had it last longer than 30 seconds.

THe sleeves will start to crack at 300whp. If you plan on making that kind of power, then you should plan on a bottom end build for it.</TD></TR></TABLE>

Yeah im with him
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