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Spring build 2018!

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Old 02-15-2018 | 03:34 PM
  #26  
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Originally Posted by cw383
It might not need any balancing at all. When I dropped mine off, I was having them mic all the bearing surfaces for blueprinting and having it balanced. When I went to pick it up they said they didn't balance it, it didn't need it. I was immediately skeptical and major bummed, was going to take it elsewhere. Then I did some reading. On a 4cyl, each throw has a piston/rod 180 degrees out that counteracts the opposite side. And the crank is zero balanced from the factory. That being the case, aftermarket pistons usually come matched within a few grams of each other right out of the box. Rods are the same way. So you might be perfect without even touching it.
Maybe they'll take the opportunity to convince him to get some proper rods
Old 02-15-2018 | 03:57 PM
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Slobodan Milošević
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Originally Posted by exninja
maybe they'll take the opportunity to convince him to get some proper rods
grab a lane, booooiiiiiiii
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Old 02-15-2018 | 04:17 PM
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Does anyone make off the shelf aftermarket rods for the 2.2 that are I-beam?
Old 02-15-2018 | 04:24 PM
  #29  
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Slobodan Milošević
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Carrilo however you spell it makes an A-beam.

Fact of the matter is that I don't care. The eagles are unbeatable in price, and have been proven far past what my build will be. A bit of engineering inefficiency isn't worth getting riled up about for my purposes. This piston/rod combo still weighs less than the twiggy OEM l61 setup, so whatever.
Old 02-15-2018 | 04:27 PM
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Originally Posted by 07blackg5
grab a lane, booooiiiiiiii
dibs on left lane.
Old 02-15-2018 | 04:33 PM
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Originally Posted by 07blackg5
Carrilo however you spell it makes an A-beam.

Fact of the matter is that I don't care. The eagles are unbeatable in price, and have been proven far past what my build will be. A bit of engineering inefficiency isn't worth getting riled up about for my purposes. This piston/rod combo still weighs less than the twiggy OEM l61 setup, so whatever.
I agree, it is what it is. It's just depressing how prevalent H-beams are in aftermarket.
Old 02-15-2018 | 05:06 PM
  #32  
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I have eagle rods in mine to. Nothing to get upset about it's just like why do they make them that way.
Old 02-15-2018 | 05:09 PM
  #33  
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Carillos are expensive AF, if you want I-beams, just use stock rods
Old 02-15-2018 | 10:34 PM
  #34  
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I did my control arms earlier this week and a wheel hub tonight. Everything needs to be greased, but it's coming together. Sadly, no autocross plans for my Cobalt this season since it's still in DS...back to the E36 I go as I contemplate selling the 'balt.
Old 02-15-2018 | 10:58 PM
  #35  
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Originally Posted by cw383
It might not need any balancing at all. When I dropped mine off, I was having them mic all the bearing surfaces for blueprinting and having it balanced. When I went to pick it up they said they didn't balance it, it didn't need it. I was immediately skeptical and major bummed, was going to take it elsewhere. Then I did some reading. On a 4cyl, each throw has a piston/rod 180 degrees out that counteracts the opposite side. And the crank is zero balanced from the factory. That being the case, aftermarket pistons usually come matched within a few grams of each other right out of the box. Rods are the same way. So you might be perfect without even touching it.
it really depends on how fussy your balancing guy is. the guy i used when building my l61 that ultimately ended up in my 944 is very fussy, he balances down to 2 tenths of a gram. the eagle rods and wiseco pistons required some touch up to get them perfectly matched. the bob weight on the crank was fine for that rod and piston combo, so no changes needed to be made there, however the fidanza flywheel needed some work, as did the damper. he zero balanced the crank, damper and flywheel all seperate before assembling them and rebalancing it as an assembly. thats something most dont do on an internally balanced engine, but again, very fussy balancing guy.
Old 02-16-2018 | 09:58 AM
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I got charged on my itemized bill for balancing my L61 when I had my short block built so I hope they did something lol.
Old 02-16-2018 | 12:12 PM
  #37  
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Items installed / Installing

OEM Water pump
OEM 180 F Thermostat
OEM SC Heat exchanger / Braided Nylon hose and AN6 fittings
Oversized Aluminum Radiator
Option B kit / Braided Nylon hose and AN6 fittings
Secondary SC Heat Exchanger
Dual SS Fan assembly with new connectors

Engine Oil Cooler / Braided Nylon hose and AN10 fittings
Transmission Oil cooler / Braided Nylon hose and AN6 fittings
Cylinders honed to .005 PTW
Forged Diamond Pistons
Total Seal Rings .020/.020/.018
OEM Forged Rods
ARP Rod bolts, Head Studs, Timing Chain Guide Bolts
OEM Timing chain and balance shaft set complete. Gears, guides and chains
OEM Cam Phasers
OEM Head Gasket
OEM Timing Cover Gasket
OEM LSJ Oil Pan
Shorty Headers
Cat-less Down Pipe
Modified Motor Mount

Cylinder Head Ported and CC’d
3 angle valve job
82# Springs
OEM Valve Stem Seals

Completely rebuilt Brembo Brake Calipers, Pistons, Seals Clips, Bleeders
TC SS Wheels Stripped and Powder coated
Rear Halo Taillight Inserts
160mph SS Speedo

Last edited by Henry3959; 02-16-2018 at 12:21 PM.
Old 02-16-2018 | 12:52 PM
  #38  
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235hp, here we come
Old 02-16-2018 | 12:57 PM
  #39  
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HGT,
Your timing cover gasket should be fine to reuse, it is metal with rubber strip in it. Only really a problem if it gets bent or messed up in some way. I had mine off and on a number of times. As per the valve springs re you planning on upping your RPM limit?
Old 02-16-2018 | 01:23 PM
  #40  
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First time the timing cover was off in 126k so it came off with a new one in mind which means it was trashed.
Several things were done while the head was off so i don't have to do it later but for now, it's staying under 7k hence the shorty headers. Long tubes, cams, balance shaft delete and better rods are in its future. If this engine comes out my other 2.4 I am getting ready will get that.
Old 02-16-2018 | 04:02 PM
  #41  
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HGT - I'm looking forward to some pictures.
Old 02-17-2018 | 01:22 PM
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Originally Posted by tomss
HGT - I'm looking forward to some pictures.
Same here!
Old 02-17-2018 | 08:17 PM
  #43  
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I have been posting everything on the "What have you done to your cobalt today thread"
Here's most of those and a few more.
Just got the the head on and torqued...Taking a break







































Old 02-17-2018 | 09:54 PM
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Lookin good
Old 02-18-2018 | 12:18 PM
  #45  
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Looks great. Everything is so clean.
Old 02-18-2018 | 01:23 PM
  #46  
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Thanks... A lot more to come.
Old 02-18-2018 | 01:40 PM
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Safe to say HGT has the shiniest turd on here.
Old 02-19-2018 | 04:51 PM
  #48  
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I will accept that compliment.
Old 02-19-2018 | 08:08 PM
  #49  
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It is. It is very clean but it's still a Cobalt aka a turd. All my vehicles are turds too but about as fancy as I get is a rattle can paint job. Sometimes I'll use the wax setting at the carwash.
Old 02-19-2018 | 08:15 PM
  #50  
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I get it... If i had not bought it new it might have gone on Craig's list but one thing led to another and the sedan doesn't scream "race me"


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