C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Mar 13, 2017 | 06:46 PM
  #21  
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Alrighty. I have an edelbrock torquer 2 intake... older hei dist... hooker headers Holley double pump 600. If anyone has anything else to add please do. Thank you very much gentlemen




QUOTE=EddeStack70;1594289725]Yea my dad and bro have been building cars forever and they know I wanna go faster but I'm waiting till I can really do something good. I'll even wait another year or two if I have to to build her correct. I'm just tired of being behind them in the long run. Car is super fun on the low end. Super torquey. Massive smoke burnouts with ease. Always on point never stutters,[/QUOTE]
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Old Mar 13, 2017 | 07:03 PM
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Originally Posted by EddeStack70
Alrighty. I have an edelbrock torquer 2 intake... older hei dist... hooker headers Holley double pump 600. If anyone has anything else to add please do. Thank you very much gentlemen
You already have several go-fast parts. The only item outside of roll-your-own turbo or nitrous that come to mind that will keep you under your $2k budget are the before mentioned L98 or Vortec heads. Loosing some weight though lots of aluminum and fiberglass parts helps go faster too.

If you are having trouble keeping up with your kin when you're hotdoggin' on the back roads I would also suggest a drivers school. You are already autocrossing which is fantastic but a C3 is not the best car to learn technique in. All the fast guys started out in low hp cars and learned how to carry speed through corners (I believe Ron Fellows started out in a 1st gen RX-7). I autocrossed a Miata for several years.

Last edited by Dynra Rockets; Mar 13, 2017 at 07:11 PM.
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Old Mar 13, 2017 | 07:15 PM
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I autocrossed a 300hp turbo 99 civic for years when I first started driving then stepped up to a 00zo6. Now I have the old gal. I can't keep up with dad cause he has a 14 with comp upgrade and other upgrades. Bro rolls a heavily built 80. So it's kinda not fair hahah I can keep up in turns cause I'm more experienced in putting the car to its very limit controllability wise.

Originally Posted by Dynra Rockets
You already have several go-fast parts. The only item outside of roll-your-own turbo or nitrous that come to mind that will keep you under your $2k budget are the before mentioned L98 or Vortec heads. Loosing some weight though lots of aluminum and fiberglass parts helps go faster too.

If you are having trouble keeping up with your kin when you're hotdoggin' on the back roads I would also suggest a drivers school. You are already autocrossing which is fantastic but a C3 is not the best car to learn technique in. All the fast guys started out in low hp cars and learned how to carry speed through corners (I believe Ron Fellows started in a 1st gen RX-7). I autocrossed a Miata for several years.
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Old Mar 13, 2017 | 07:21 PM
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If you still have the L48 camshaft then there is a lot of power available with a cam change. A summit cam kit and junkyard heads will get you moving for $2k.
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Old Mar 13, 2017 | 07:38 PM
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We r junkyard junkies lol. Vortec heads? I've always wondered if a basic stock gen 1 350 could hold nitrous well haha


UOTE=Dynra Rockets;1594292342]If you still have the L48 camshaft then there is a lot of power available with a cam change. A summit cam kit and junkyard heads will get you moving for $2k.[/QUOTE]
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Old Mar 13, 2017 | 08:54 PM
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have them checked for cracks they are known for it

Some guys do with no issue but if youre going to run any half decent cam youll be money ahead by getting a new pair from Summit that are already set up for it. Bowtie Vortecs arent bad either if you want an iron head affordable too
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Old Mar 14, 2017 | 02:34 PM
  #27  
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A friend of mine owns a Dyno shop and is an engine builder. When the Edelbrock upper end kit came out, I don't remember the exact year but around 2003, I think, and advertised 440 HP he claimed B.S. he then ordered one in to prove it was B.S.
Edelbrock claimed you could bolt the Cam, Heads and Intake/Carb combo on a stock GM 350 short block and make 440 H.P.

My friend built a stock GM 350 short block, installed the Edelbrock Kit and guess what?
He made 443 HP on his dyno and with hat in hand freely admits the combo worked well.
I wish I could remember at what RPM level.

No telling how long the stock lower end will last at that power level but it did exactly as advertised.
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Old Mar 14, 2017 | 03:04 PM
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Remember when the rpm kit first came out
Some said what your buy did others got 420 some couldnt crack 400
The latest ones with Etec heads and roller cams seem to do well for what they are. Eddy stuff is a good quality casting not a max effort deal but somewhat idiot proof. At least we have options still made in US

Was a step up though back then you could run ported 202 camel humps 11 to 1 compression a comp 292 cam single plane etc and couldnt even break 400hp. That combo was a straight pig Ill never forget it lol

What scares me is when guys fall for the cheapie China heads then promptly break a head off a valve or a seat falls out grenading the whole motor. those flex some when the valve comes back down god forbid you have valve float!

Last edited by cv67; Mar 14, 2017 at 03:05 PM.
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Old Mar 14, 2017 | 05:08 PM
  #29  
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I keep reading stories about top end kits on "stock" motors all over the boards and it's hard to commit when some say they r what they are and some say they didn't even gain 30 hp. F me




QUOTE=cuisinartvette;1594298206]Remember when the rpm kit first came out
Some said what your buy did others got 420 some couldnt crack 400
The latest ones with Etec heads and roller cams seem to do well for what they are. Eddy stuff is a good quality casting not a max effort deal but somewhat idiot proof. At least we have options still made in US

Was a step up though back then you could run ported 202 camel humps 11 to 1 compression a comp 292 cam single plane etc and couldnt even break 400hp. That combo was a straight pig Ill never forget it lol

What scares me is when guys fall for the cheapie China heads then promptly break a head off a valve or a seat falls out grenading the whole motor. those flex some when the valve comes back down god forbid you have valve float![/QUOTE]
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