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Old 05-14-2016, 09:30 PM   #1
Mrturner1
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Join Date: Nov 2015
Location: Colfax California
Posts: 1,644
Setting up suspension

Hey guys I've never posted in the racing section before, but my truck has made a drastic turn towards 1/4 mile racing so J figured I'd ask you guys about my suspension. I recently did heads/cam/intake on my 355 and even more recently installed a Holeshot 3000 converter and a mini spool. I'd really like to get to the track a few times this year, and my first goal is to break into the 12's. I have a stock short block in my 70 C10 LWB with RHS 170cc heads, a comp 280H and edelbrock rpm manifold. Currently using an edelbrock 650 AVS carb but that will go soon and I'll be looking for a carb more geared towards 1/4 mile racing. 750 cfm is probably the most I can use with my current setup so far.

For my suspension. It's all stock, drum brakes all around, and it's old and worn. Ever since I put the mini spool in I have some wheel hop when I launch. I'd like to lower it a bit, maybe 5" in the back and 2" in the front. I've also read about shock relocation making them sit straight up and down as opposed to angled so far. Any suggestions for springs and shocks? As well as other things I may need like relocation kits, which are better suited for drag racing. Any help is great thanks guys

Matt
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Old 05-14-2016, 09:59 PM   #2
cableguy0
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Join Date: Apr 2000
Location: Delta,Pa
Posts: 14,948
Re: Setting up suspension

Not to sound like a jerk but the FIRST thing you need to b concerned with is upgrading the brakes. Going fast don't mean sh!t if you cant stop. Drums fade and overheat especially at high speeds. Any suspension parts that have any play also need to be addressed. Nobody else wants to die because your truck changes lanes due to a broken part or brake failure.

On another note. Your setup will probably yield mid to low 14's depending on gearing and traction.
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