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GRP Engine Tool

Old 04-27-2009, 10:24 PM
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Arrow GRP Engine Tool

Anyone have any experience with the GRP engine tool for tearing down an engine good or bad. I know the good old heat method works, but when there are special tools that do the job, why not use them? I am about to use this tool to break down an engine and replace the bearings. Any comments or special tips?
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Old 04-27-2009, 10:26 PM
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I'd like to find out if GRP's engine tool will only work with GRP bearing sizes? It would be nice if that $170 could be used on other engine bearing sizes.
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Old 04-27-2009, 11:05 PM
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i have used my GRP engine tool to tear down vspecs, nova's, grps, and mugen motors. Works like charm.
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Old 04-27-2009, 11:07 PM
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Originally Posted by Bigedmond View Post
i have used my GRP engine tool to tear down vspecs, nova's, grps, and mugen motors. Works like charm.
Are you heating the engine case at all before using the tool?
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Old 04-28-2009, 08:09 AM
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You dont need to. But i do, just to make sure.
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Old 04-28-2009, 08:21 AM
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I suppose you can heat it, would not hurt at all. But, you don't have to and it will smoothly pull them and put them in!

It's a very nice tool.
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Old 04-28-2009, 10:01 AM
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Originally Posted by ABURTON View Post
I suppose you can heat it, would not hurt at all. But, you don't have to and it will smoothly pull them and put them in!

It's a very nice tool.
+1 they are great. The only size you can't use them on is 13mm bearings. The tool won't physically fit into engines that use 13mm cranks. I have used mine on OS, nova and GRP engines with great success. I never heated the block up at all either. It pulls them and installs them cold very easily.
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