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Dwight Southerland · 07-29-2011, 01:13 PM

What Billy said is the best use of $$ spent. Light wheels and small diameter tires will make a noticeable difference. Since those things have to be purchased anyway, buy what works best. The other lightweight axle parts may or may not make a noticeable difference and cost a lot of money. Loosening the preload on the carrier bearings and pinion bearings makes a noticeable difference, especially in MPH, and just costs time.

If you are going to race a low powered dime rocket, you will be miles ahead to learn how to work on everything - short block assembly, heads, carburetor, suspension, transmission, rear end, brakes, steering. Tweaking here and there, you never know what you will find. Plus, that's where a lot fun and satisfaction is found.

07-29-2011, 01:13 PM	#9
Dwight Southerland VIP Member Join Date: Dec 2001 Location: Arkansas - In the middle of everything. Posts: 2,001 Likes: 64 Liked 780 Times in 194 Posts	Re: POSI vs SPOOL What Billy said is the best use of $$ spent. Light wheels and small diameter tires will make a noticeable difference. Since those things have to be purchased anyway, buy what works best. The other lightweight axle parts may or may not make a noticeable difference and cost a lot of money. Loosening the preload on the carrier bearings and pinion bearings makes a noticeable difference, especially in MPH, and just costs time. If you are going to race a low powered dime rocket, you will be miles ahead to learn how to work on everything - short block assembly, heads, carburetor, suspension, transmission, rear end, brakes, steering. Tweaking here and there, you never know what you will find. Plus, that's where a lot fun and satisfaction is found.