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Click on image for the lowdown. 
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7 members (ShopRag, Tstan7, Hanks custodian, Bill Hanlon, MickeyP, HandyAndy, Hotrod Lincoln),
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Global Mod,
Mod | | | Forums66 Topics128,022 Posts1,055,352 Members48,420 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
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#41272 01/29/2003 6:16 AM | Joined: Aug 2000 Posts: 346 Shop Shark | | Shop Shark Joined: Aug 2000 Posts: 346 | robber,
'66 Pickemup truck 250c.i.
AC 46-N spark plug @.035 gap
Point Gap: .019 dwell 31-34 degrees
Timing is 6 deg BTDC
Hot idle speed: standard 500 RPM
Automatic: 'As low as possible to obtain smooth idle and prevent creep in Drive or harsh shifts.'
Idle speed depends on whether or not you have the A.I.R. (smog pump) system.
'38 Chevy 1-1/2 ton
'49 Chevy 1/2 ton
'54 Chevy 6400 2 ton
'55.2 GMC 3/4 ton
'56 GMC 1-ton
No Room Left in Shop
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