C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Jan 16, 2022 | 07:22 PM
  #121  
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You must drive it with an included pulley set up that fits inside the crank pulley and is held on with the pulley bolts.
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Old Jan 18, 2022 | 01:43 PM
  #122  
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Originally Posted by diehrd
You must drive it with an included pulley set up that fits inside the crank pulley and is held on with the pulley bolts.
Got my kit today. The cooling fan does not clear the pulley. How did you get around that? Electric fan?
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Old Jan 18, 2022 | 06:27 PM
  #123  
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Little bit more of a project than I anticipated but it’s working out so far. Had to use a spacer to get clearance to the crank pulley. Also have to cut the crank pulley down to get fan clearance. Then into to the valve cover for the outlet and then connections to the can.

Bad lighting sorry
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Old Jan 18, 2022 | 07:53 PM
  #124  
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Did it not come with spacers of different thicknesses for the crank pulley ? Any pic of what they supplied for mounting it
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Old Jan 18, 2022 | 08:16 PM
  #125  
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Originally Posted by diehrd
Did it not come with spacers of different thicknesses for the crank pulley ? Any pic of what they supplied for mounting it
yes but the crank pulley sticks out so far that it hits the cooling fan. I talked to AC and they said I could cut the mandrel down to size.



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Old Jan 18, 2022 | 08:17 PM
  #126  
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I believe I can pin the top of the pump down with another alternator bracket.
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Old Jan 19, 2022 | 04:48 PM
  #127  
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Got the pump positioned with some modifying for brackets and spacers. Found a spot for the catch can. This was difficult due to how tall it is but it’s at an angle where it will flow oil down. Installed the vacuum connection in the valve cover. Got the relief valve installed on the other cover. Next is pulley connection to the crank. I will need to modify that a little bit pretty doable. Then hose connections.






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Old Jan 25, 2022 | 09:41 AM
  #128  
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Got the hoses connected and pulley and belt installed. Have a quick test run and did ok. I’m not so keen on the exhaust hose. I will be testing it and adjusting things over the next several days.




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Old Jan 25, 2022 | 09:47 AM
  #129  
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be sure to not over tighten belt on the pump it only needs a slight amount of tension , good job . I mounted my catch can behind the pass front tire , drilld through the inner wheel well and did it lo enough so I can reach under and drain it with the petcock
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Old Jan 25, 2022 | 10:19 AM
  #130  
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Originally Posted by diehrd
That is not correct , the pump alone will give ya 15 hp. And a water pump and electric fans gains are mostly bleed off into the alternator. Which now has to carry the work of the fan and w/p. Making maybe 5hp gain.

But the other benefit is it pulls out all the moisture that condenses inside the motor. Its all upside and no down side. And costs about the same as a set of good elec fans and electric water pump . I think whites kit is 799.00
even with great engine sealing buzzing the engine up that high creates some big flow requirements for blow by. The old LT5 zr-1 engine shot oil straight up in the air through the breathers in development and they added a big "breather box" to get the oil to fall out of suspension

I would look at the vacuum pump and even start to consider a dry sump for revs like that if they are run sustained. That crank is whipping around and frothing up the oil and it will get beyond what a simple scraper can handle.

Look at the new LT6 engine, separate breather bays with a dedicated scavenge pump for each bay for oil control at 8600

That SB chevy has some similar needs buzzing it up
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Old Jan 25, 2022 | 03:02 PM
  #131  
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Well I took it for the first test drive. Got it up to 4500 rpms and guess what? Dipstick still in place. I felt more power in the 2k-4K range as well. So far, very glad I did it. I wouldn’t mind a better looking bracket as I completely just “made it work” as you can see in the picture. Maybe I’m being too picky?!?
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Old Jan 26, 2022 | 12:36 PM
  #132  
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Originally Posted by Bluesting70
Well I took it for the first test drive. Got it up to 4500 rpms and guess what? Dipstick still in place. I felt more power in the 2k-4K range as well. So far, very glad I did it. I wouldn’t mind a better looking bracket as I completely just “made it work” as you can see in the picture. Maybe I’m being too picky?!?
Not to picky my kit had a weird 2 piece bracket i was able to make work with a aluminum spacer
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Old Jan 26, 2022 | 04:19 PM
  #133  
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Of course it’s been raining a lot since o installed it so I can’t really get a good test drive. Looking forward to next week.
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