Originally posted by perfconn
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WEIGHT vs HORSEPOWER
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Not sure “fuel†525s ran many Topless races. I know Kenny Collins ran one and contended for the lead???? He also won pretty much every limited show in the southeast he entered with that 525 per DirtonDirt?
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I can agree with that, but at the same time 525 won almost if not all Southeastern Late Model Series Races???? You just can’t consistently beat that fuel package with how light the motors are with an all steel motor. In the Topless series I would guess 90% were steel motors and I would also bet a large percentage will be spec aluminum heads this year???? If there was not an advantage Micheal Page would run steel instead of the 525 in the Super races that he uses his 525?Originally posted by perfconn View PostKenny is a really good driver but the facts don't change.The 525's didn't win a single race against the other engine options in the topless outlaw series.
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I've found you need to gear them higher. 6. Open gearing = 6.42 525 gearingOriginally posted by billetbirdcage View PostThe thing that hurts the 525 (IMO) is usable RPM not being able to turn more the 7K sort of hurts the torque multiplication from a tall gear to keep rpm in check.BUCKLE UP NOW, YA HEAR?

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That is what killed steel/limited in our area. Fuel/Hendren rebuilds that are not GM specsOriginally posted by perfconn View PostAmen,brother.If they are sealed like they are supposed to be,noone would run one.
Bone stock 525 with rpm limits are turds,but them “series†rebuilds will run like a super!
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They are not illegal in the “Fuel†series. They do not meet GM specs. They have different rods, pistons,pin height, oil pump, gaskets etc...... Fuel and Southern Late Model accept this rebuild, making a stock 525 useless. Not sure if Topless Outlaw series does this or not. Call Hendren, he will tell you it is a ls style but doesn’t meet GM specs. Welcome to sealed enginesOriginally posted by ZERO25 View PostExplain......Ive never heard anything about Hendren building illegal crates!
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