Benson Balanced and Micropolished Cranks
Here is the deal. You send me your stock crank and I return it balanced and micropolished. Cost is $150 and this includes return shipping. This is good for any make or model of a 4 cylinder crank.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by nickwilmot »</TD></TR><TR><TD CLASS="quote">Don't you need the flywheel,pressure plate,crank pulley, rods,pistons to balance the crank?
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???
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???
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by nickwilmot »</TD></TR><TR><TD CLASS="quote">Don't you need the flywheel,pressure plate,crank pulley, rods,pistons to balance the crank?
HOw much tyo fully balance a bottom end?
Thanks</TD></TR></TABLE>You must be a V-8 guy
4 cylinder in line cranks are balanced by themselves. You do not add weights to the crank (like V-8's) as the weight would be 180 degrees apart from each other and make no difference to the balance. You never want to use the flywheel and pressure plate when balancing as you would throw your engine out of balance when you change clutches.
Most aftermarket clutches and flywheels come already balanced. I watched them made at ACT. Also aftermarket pistons and rods are prebalanced at the factory.
BTW, if the engine was a V-4, you would have to add the rotating weights to do the balance properly.
HOw much tyo fully balance a bottom end?
Thanks</TD></TR></TABLE>You must be a V-8 guy
4 cylinder in line cranks are balanced by themselves. You do not add weights to the crank (like V-8's) as the weight would be 180 degrees apart from each other and make no difference to the balance. You never want to use the flywheel and pressure plate when balancing as you would throw your engine out of balance when you change clutches.
Most aftermarket clutches and flywheels come already balanced. I watched them made at ACT. Also aftermarket pistons and rods are prebalanced at the factory.
BTW, if the engine was a V-4, you would have to add the rotating weights to do the balance properly.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by infinatenexus »</TD></TR><TR><TD CLASS="quote">whats the turn around time?</TD></TR></TABLE>
One day
One day
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by flip1199 »</TD></TR><TR><TD CLASS="quote">Does this include the ugly red headed step child of honda "H23a1" for that same price"</TD></TR></TABLE>They get the same love as all the other kids
All 4 cylinder cranks
All 4 cylinder cranks
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by chriscoleman102 »</TD></TR><TR><TD CLASS="quote">BTW, if the engine was a V-4, you would have to add the rotating weights to do the balance properly.</TD></TR></TABLE>
V-4?
V-4?
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by h22 civic »</TD></TR><TR><TD CLASS="quote">earl,do you do the benson sleeves for the h22 also/???</TD></TR></TABLE>Yes, absolutely
https://honda-tech.com/zerothread?id=565375&page=1
https://honda-tech.com/zerothread?id=565375&page=1
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jsxtek »</TD></TR><TR><TD CLASS="quote">So it's 150 plus the one way shipping right?</TD></TR></TABLE>
Correct, I pay for the shipping on the way home.
Correct, I pay for the shipping on the way home.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SilverCivic2k »</TD></TR><TR><TD CLASS="quote">What happens if the crank needs to be machined, i have a crank i need to sell but the #3 main needs to be machined.</TD></TR></TABLE>The best advice I could give you is throw it away or sell it and buy a new used one in good condition.
If you try to fix it, they will grind the whole crank to 10 under. Then you have to pay for re heat treating. Bearings are harder to find and harder to fit. It is cheaper to buy another than to fix.
If you try to fix it, they will grind the whole crank to 10 under. Then you have to pay for re heat treating. Bearings are harder to find and harder to fit. It is cheaper to buy another than to fix.
earl you wouldn't by chance have or know of a good condition b18c5 crank for sale (for which I would have you balance and micropolish...) for not too much$$$?
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by markaria »</TD></TR><TR><TD CLASS="quote">earl you wouldn't by chance have or know of a good condition b18c5 crank for sale (for which I would have you balance and micropolish...) for not too much$$$?</TD></TR></TABLE>Let me show my ignorance and ask you how do you tell the difference between a C1 and C5 crank? I guess I should know but I don't
Though i do not know the specifics , from what I understand the c5 crank is better balanced. Of course it's not like I have had the two side by side to verify this...
The inner radius of the counterweights are thicker on the R cranks. "R" stamping is on one of the counterweights next to fillet of the main journal.
ITR crank is supposedly 4lbs heavier.
Info and pictures courtesy of D.
https://honda-tech.com/zerothread?id=4239701
BTW earl, can you guys index blocks for straightline correctness?
ITR crank is supposedly 4lbs heavier.
Info and pictures courtesy of D.
https://honda-tech.com/zerothread?id=4239701
BTW earl, can you guys index blocks for straightline correctness?
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by IN VTEC »</TD></TR><TR><TD CLASS="quote">BTW earl, can you guys index blocks for straightline correctness?</TD></TR></TABLE>The blocks must be indexed (the long direction) as part of the sleeve install. This is one of the processes that makes Benson blocks right the first time. I would be interested to know if the other sleeving companies do this or not.
I'd be interested in seeing a brand new, factory crank indexed to see how far out of whack they are or are not.
How exactly are the cranks balanced? Do you just check to make sure that the throws are all 180 out? Or, just spin them on the twirly machine?
I thought I'd post a couple of pics of the GS-R crank we had micropolished and the oil holes chamfered.
1 pic of a rod journal

2 pics of main journals


Modified by IN VTEC at 6:20 PM 11/1/2003
How exactly are the cranks balanced? Do you just check to make sure that the throws are all 180 out? Or, just spin them on the twirly machine?
I thought I'd post a couple of pics of the GS-R crank we had micropolished and the oil holes chamfered.
1 pic of a rod journal

2 pics of main journals


Modified by IN VTEC at 6:20 PM 11/1/2003


