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#1
12-14-2008, 03:31 PM
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Engine Assembly question
Ok guys wanna start lookin at assembly of the bottom end
What is the rod configuration on the journals ??? On the first journal for the Rods is the first/front rod #1 or #2 cylinder ....I thought I read somewhere that the first rod is NOT #1 can someone clarify rod configuration for me maybe a pic of the rods on the crank would help thanks Chris
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 1973 Firebird Navajo Orange w/shaker,1973 400/461,1972 Intake SD CNC'd,1977 Q-Jet 800 CFM w/ Cliffs Kit,Tanks Inc PA4 255 Walbro intank pump ,-8an feed/return,RobbMc Regulator,RobbMc 40 micron filter,253 CFM 6x-8's w/H.S 1:5 Roller Rockers,SD Stump Puller H/R Cam 230/236 @.050 112 lobe separation 565/.570 lift,Crower Solid Rollers,28150 Hedman Headers,3" exhaust,full tailpipes,350 Turbo,9.5" 3200 Converter,3:42 gear,8.5 posi,C/E slide-alinks,Koni adj frt shocks,Best 12.18@110.55 Lookin for 11's
Last edited by cnc; 12-14-2008 at 03:51 PM. |
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#2
12-14-2008, 04:53 PM
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Pontiacs have the #2 rod toward the front,then #1 behind it. Sorry no pics on my end. I'm sure someone can post.I would think if you do a search there should be pics posted in the past.
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 71' GTO -original 400/4-speed/3.23 posi 13.95 @ 102.1 on street tires @ 4055lbs. ‘63 LeMans- ‘69 400 w/ original transaxle. 2.69 gears. |
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#3
12-14-2008, 10:57 PM
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Some guys number them 1-8 front to back, others number them to the actual cyl #. It really doesn't matter as long as you know how they are labeled AND how they go in the engine.
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Paul FAST Automotive -The Pontiac restoration shop, not the fuel injection guys! I had the name first. My site... needs updated- www.fastrestorations.com 68 GTO's (RA II, RA I, HO, convert, Pro Street, Racecar, etc.), 2 69 GTO Judges, 70 GTO racecar -10.77 @ 124mph, 68 Tempest survivor, 3 03 Aztecs! |
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#4
12-14-2008, 11:08 PM
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thats what i want to figure out lol
If the first journal is #2 then #1 is the second journal #4 then #3 and then #6and #5 and finially #8and #7 ???would seem to follow the first journal pattern correct??? This is a new assembly with eagle crank and rods if that makes any difference....
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1973 Firebird Navajo Orange w/shaker,1973 400/461,1972 Intake SD CNC'd,1977 Q-Jet 800 CFM w/ Cliffs Kit,Tanks Inc PA4 255 Walbro intank pump ,-8an feed/return,RobbMc Regulator,RobbMc 40 micron filter,253 CFM 6x-8's w/H.S 1:5 Roller Rockers,SD Stump Puller H/R Cam 230/236 @.050 112 lobe separation 565/.570 lift,Crower Solid Rollers,28150 Hedman Headers,3" exhaust,full tailpipes,350 Turbo,9.5" 3200 Converter,3:42 gear,8.5 posi,C/E slide-alinks,Koni adj frt shocks,Best 12.18@110.55 Lookin for 11's
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#5
12-15-2008, 12:30 AM
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Not trying to state the obvious but if you know the odd number cylinders are on the drivers side and the even numbers on the passenger side then they can only fit one place. They don't exactly flex :-).
The primary issue you need to worry about is making sure the rod is turned the right way since two ride together on each of the 4 journals and one side of each rod is chamfered. |
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#6
12-15-2008, 01:47 AM
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Yes, looking at the crank from the bottom, the rods go 2-1,4-3,6-5,8-7.
(using the normal Pontiac cyl. numbering.) Doug is right, also.
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#7
12-15-2008, 07:55 AM
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Thanks for the replies guys I just wanted to be safe than sorry and have some prior knowledge before getting into it....As for the chamfers which way do they face??????Chris
__________________
1973 Firebird Navajo Orange w/shaker,1973 400/461,1972 Intake SD CNC'd,1977 Q-Jet 800 CFM w/ Cliffs Kit,Tanks Inc PA4 255 Walbro intank pump ,-8an feed/return,RobbMc Regulator,RobbMc 40 micron filter,253 CFM 6x-8's w/H.S 1:5 Roller Rockers,SD Stump Puller H/R Cam 230/236 @.050 112 lobe separation 565/.570 lift,Crower Solid Rollers,28150 Hedman Headers,3" exhaust,full tailpipes,350 Turbo,9.5" 3200 Converter,3:42 gear,8.5 posi,C/E slide-alinks,Koni adj frt shocks,Best 12.18@110.55 Lookin for 11's
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#8
12-15-2008, 11:30 AM
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To the crank.
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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