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Old 05-19-2017, 10:23 PM   #1
jhastings
 
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Name: jhastings
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Piston to Valve clearance

Did lots of searching and seems like lots of opinions.

Is 0.060" enough clearance for I&E?
I'm running 60# springs, mild cam and 3k gsk.

If not I'll get 0.010" over headgasket tomorrow.



Thanks in advance.

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1998 2500 12V SLT QCLB 5-speed 4X4 3.54, LSD F+R, hx-35/14wg, DDP2, 4" pipe,841 Pump, 17.5*, #10 full back, 3K GSK, 191's, Cam, 13 " Con-O 241HD, 14mm Studs, Rings, Copper gskt, 60#springs, KDP jig, 4" pacbrake, Gauges, Valet, Mag Hytecs, 2low, B&W, 203K.
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Old 05-19-2017, 10:46 PM   #2
DISTURBED
 
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You should be fine at that.
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Thanks, Jeremy

01 CTD Retired sled puller, dedicated "Twin Turbo" tow rig
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Old 05-20-2017, 09:48 AM   #3
jhastings
 
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Out of curiosity, what is the minimum you feel comfortable with?

Sent from my XT1254 using Tapatalk
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1998 2500 12V SLT QCLB 5-speed 4X4 3.54, LSD F+R, hx-35/14wg, DDP2, 4" pipe,841 Pump, 17.5*, #10 full back, 3K GSK, 191's, Cam, 13 " Con-O 241HD, 14mm Studs, Rings, Copper gskt, 60#springs, KDP jig, 4" pacbrake, Gauges, Valet, Mag Hytecs, 2low, B&W, 203K.
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Old 05-20-2017, 10:34 AM   #4
DISTURBED
 
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I won't run anything under .040
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Thanks, Jeremy

01 CTD Retired sled puller, dedicated "Twin Turbo" tow rig
96 CTD "TOO" Disturbed 3.0 - Built by Disturbed Diesel Performance
96 CTD "The Sickness" 2.6/2.8- Built by Disturbed Diesel Performance
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Old 05-21-2017, 05:50 AM   #5
Drothgeb
 
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I agree with .040, but got away with .032 when I put a 188/220 in my original engine. Never spun it much higher than 3800 though.
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Old 05-21-2017, 12:39 PM   #6
97rada
 
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Lucky for you guys. I have .027 on my race motor because Of a machining problem. We will see how bad they are in a few months. So far it's making power
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tow truck- 97 qclb 5speed. sbdd 3600, 62mm fmw-14.67
toy truck -94 rclb auto- in pieces



Any intelligent fool can make things bigger and more complex...it takes a touch of genius- and alot of courage to move in the opposite direction.
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