Pink Rods vs After Market - Team Camaro Tech
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post #1 of 13 (permalink) Old Oct 12th, 05, 08:23 PM Thread Starter
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Tony
 
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Pink Rods vs After Market

I've talked to pdq67 building another DZ motor wondering which rods to use
the pinks rods or Scat I beams looking for opinions from the engine experts
every thing will be stock using SRP pistons 186 heads 4053 carb stock
intake how much can you turn a stock rod rpm wise .I was thinking the pink
rods would be better than the new ones.which I think are cast in China.

'69 Frost Green Z/28
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post #2 of 13 (permalink) Old Oct 12th, 05, 08:39 PM
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Re: Pink Rods vs After Market

Quote:
Originally Posted by Tonyx33
I've talked to pdq67 building another DZ motor wondering which rods to use
the pinks rods or Scat I beams looking for opinions from the engine experts
every thing will be stock using SRP pistons 186 heads 4053 carb stock
intake how much can you turn a stock rod rpm wise .I was thinking the pink
rods would be better than the new ones.which I think are cast in China.
If its the original Pink Rods they have changed quite a bit as far as design in the mid 80s And we sold a large journal 302 rotator to a customer in N.C. and we sold him a set of Crower rods for 480 and balanced every thing up for as we thought that was the best rod for his application.

The Scat rods not bad for the money as we sell a few sets of them from time to time with no problems and those rods are forged not cast.
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post #3 of 13 (permalink) Old Oct 12th, 05, 11:18 PM
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Re: Pink Rods vs After Market

The GM rods are stronger than most give credit for. They will take some pretty serious abuse. With that said, I will never build another performance engine using "pink" rods. For not much more $$ you can get new aftermarket rods that are even stronger, with better bolts. On a budget build I wouldn't hesitate to use GM rods.

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post #4 of 13 (permalink) Old Oct 13th, 05, 05:50 AM
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Re: Pink Rods vs After Market

Buddy of mine runs a 383 with an Eagle rotating assembly, balanced from factory, regularly to 7000+ with no problems... that was untill the N2O came into play and he melted a piston and made a reverse dome out of another with no damage to rods. Pistons replaced and he's been 9.7X and 7800 rpm.

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1.54 60'--6.95 @ 98.45 660'--10.96 @ 121.53
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post #5 of 13 (permalink) Old Oct 13th, 05, 07:53 AM
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Re: Pink Rods vs After Market

Do you have the rods already? If not go aftermarket. If you do, buy some good rod bolts for it and you will be fine.

I ran the worst rods Chevy ever built, stock 400 5.565 rods with heavy 540 gram pistons for years. Spun it to 6,000 for over 200 passes and everything looked great when I tore it down. The rod bolts are the key...

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post #6 of 13 (permalink) Old Oct 13th, 05, 06:13 PM
 
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Smile Re: Pink Rods vs After Market

I said use good rebuilt stock rods b/c I think Tony said he wasn't going to really rpm his little motor?

Right Tony?

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post #7 of 13 (permalink) Old Oct 13th, 05, 06:21 PM
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Re: Pink Rods vs After Market

I ran GM 5.565 rods (stock 400) with good bolts and spun it to 6500++ regularly never hurt it and it is still together (385ci). My point is unless you already have them, by the time you buy a rebuildable set, have them re-sized, balanced, fluxed, peened, new bolts, etc.. You are well on your way to a stronger NEW aftermarket rod. GM rods are good, but for my money I will take aftermarket for any half way serious performance engine. It all depends on what your goals are and what you are looking for.

I have owned and built many engines with stock rods and punished them. As mentioned above the bolts are the key, along with a decent balance job.

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post #8 of 13 (permalink) Old Oct 13th, 05, 07:58 PM Thread Starter
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Re: Pink Rods vs After Market

Paul your right not going to go much over 6500.Engine builder is wanting me to
go with scat.But Ive already got the pink rods ready to go in the engine.
Paul's hard to beat when it comes to these little small blocks.Nothing beat's.
been there done that and years of building these.I just wanted to see what
some other had used it there 302.Thanks for all the advice.

'69 Frost Green Z/28
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post #9 of 13 (permalink) Old Oct 17th, 05, 04:43 AM
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Re: Pink Rods vs After Market

If your not going over 6500. You will have no problems with the pink rods. I have twisted stock chevy rods to 7500 no prob. I have never broke one. One of my friends had a 400 small block with stock rods and ARP rod bolts, he used NOS on it every weekend street racing it and never broke nothing but a bunch of rings! 7--7500 RPM for almost a year. It just had so much blow by, he had to tear it down. The crank was cracked in a million places, but the rods were fine. If your going for a 100 point Z28 engine build. Just use what you got. If your gonna dump a ton of money into a real nice motor. Put an after market H beam rod in it. I am sure you won't have any problems with the pink rods.
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post #10 of 13 (permalink) Old Oct 17th, 05, 06:11 AM
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Re: Pink Rods vs After Market

If the early Pink rods that were made in the early 70s they are a lot different then the late ones as GM change the design some time in the 80s and you have to remember that the 302 pistons weigh a ton due to the compression height and hard to compare to a 350 piston

The GM rods are made out of 1038 steel and the Crowers we used are made out of 4340 much more dependable then any Pink rod ever made.
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post #11 of 13 (permalink) Old Oct 18th, 05, 07:44 AM
 
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Re: Pink Rods vs After Market

I Know of a guy that used to sell a bunch of pink rods cause he had a can of the pink paint to match them. So unless you know exactly where these came from theres no telling what they are.
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post #12 of 13 (permalink) Old Oct 18th, 05, 09:29 AM Thread Starter
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Re: Pink Rods vs After Market

These came out of a 70 LT1 had them change to floating pins.I'm with
Paul I think they will be fine looks like it would be hard to have one go bad
with a 3 in. stroke

'69 Frost Green Z/28
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post #13 of 13 (permalink) Old Oct 18th, 05, 10:09 AM
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Re: Pink Rods vs After Market

Quote:
Originally Posted by Tonyx33
These came out of a 70 LT1 had them change to floating pins.I'm with
Paul I think they will be fine looks like it would be hard to have one go bad
with a 3 in. stroke
Look at the rods around the rod bolt and compare it to a later Pink rod as those older rods are prone to crack around this area more so if new bolts have been added as some times there is more iterfearance as we have seen many of those rod crack down the side of the rod.

GOOD LUCK
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