changing 2 rods in rebuild
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Junior Member
Joined: Nov 2009
Posts: 36
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Car: 88 iroc
Engine: 350 bored .40 reman vortec heads
Transmission: 700r4
changing 2 rods in rebuild
we are rebuilding a 350 I have a new recond. crank what i would like to do is take 2 rods from a 305 and use in my rebuild, can i do that ? also do the rods and pistons that are in good shape have to be put back in the cyl they came out of. because i did mix a couple of them up. Or should i look at some recond. rods.
Joined: Mar 2000
Posts: 43,187
Likes: 45
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
If the 305 rods weigh the same as the 350 rods, no problem.
Joined: Dec 2004
Posts: 2,042
Likes: 18
From: Lincolnton, NC
Car: 88 IROC
Engine: 97 5.7 Vortec LT4 hotcam
Transmission: 700 r4
Axle/Gears: 3.73
Re: changing 2 rods in rebuild
we are rebuilding a 350 I have a new recond. crank what i would like to do is take 2 rods from a 305 and use in my rebuild, can i do that ? also do the rods and pistons that are in good shape have to be put back in the cyl they came out of. because i did mix a couple of them up. Or should i look at some recond. rods.
The main reason for numbering rods (which you need to get in the habbit of doing) is so that when the machine shop bores the block, they can fit the right piston to the right hole. Also used to make sure the piston/rod/front of engine orientation is correct.
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