How many use a girdle??

[DAVID GAGNARD]

David has that correct.
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Gordon;

In simple terms (I'm no engineer) WHY????? It seems to me it could only help the bottom end, but actually more than one respected engine builder says they generally are not worth the money, that they do not do that much good...... I bought the girdle adding it to a standard production 1969 302 block....the motor is a 331 stroker putting out 472 hp @ 6400rpm, and 441 ftlbs torque at 5500rpms..... I thought it would be good "insurance" against bottom end failures.

The motor is in a 65 Coupe road race car and on track normally runs between 3500 and 6500 rpms, races usually last 20 minutes....So far NO failures of any kind, everything in the bottom end is forged and top qualilty parts....the motor is out right now to be freshened up, has somewhere between 40 and 50 running hours on it..also, making a change in the cylinder heads and should be right at 500 hp and 475 on the torque.....

Thanks;

David