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Power adders on Rochester quad?

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Old 05-23-2013, 05:51 PM
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Power adders on Rochester quad?

I did a quick search and didn't see anything but I would love to put some sort of power adder on my thirdgen. Is there any way to supercharge or turbo charge a Roch quad? I want something more than what a ram air would give.
Old 05-23-2013, 06:12 PM
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Re: Power adders on Rochester quad?

its been done but i dont recomend it , u would be far ahead of the game if u just bought a used holley 1450 series 650 carb and did the hanger 18 mods, u can pick up those carbs for 25-100 bucks on ebay\cl the classifieds , most will be needing a rebuild but ur basically doing that anyway when u mod it
Old 05-23-2013, 06:14 PM
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Re: Power adders on Rochester quad?

http://www.carcraft.com/techarticles...dyno_test.html
Old 05-23-2013, 09:36 PM
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Re: Power adders on Rochester quad?

Originally Posted by project89
its been done but i dont recomend it , u would be far ahead of the game if u just bought a used holley 1450 series 650 carb and did the hanger 18 mods, u can pick up those carbs for 25-100 bucks on ebay\cl the classifieds , most will be needing a rebuild but ur basically doing that anyway when u mod it
Alright, there have been plenty of people on these boards that want me to keep the q-jet, and I will have a hard time dealing with the cc carb issues. But maybe in the future I'll try to get it going.
Old 05-24-2013, 01:10 PM
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Re: Power adders on Rochester quad?

N20?
Old 05-24-2013, 01:13 PM
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Re: Power adders on Rochester quad?

Originally Posted by Ronny
N20?
That's a realm I am very iffy about entering. It has crossed my mind but with my luck something would go wrong and I would blow up haha
Old 05-24-2013, 02:27 PM
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Re: Power adders on Rochester quad?

Mine is set on >25 mph. On >3000 rpms and off >5800 RPMs. And my ECU commands a richer A/F and pulls 4 deg timing. All only when armed.
Old 05-24-2013, 03:14 PM
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Re: Power adders on Rochester quad?

Originally Posted by Ronny
Mine is set on >25 mph. On >3000 rpms and off >5800 RPMs. And my ECU commands a richer A/F and pulls 4 deg timing. All only when armed.
But are you injected or carbed and if carbed is it a roch quad
Old 05-24-2013, 03:16 PM
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Re: Power adders on Rochester quad?

I was gonna say ECU= injected but that would not be true in total(CCC). i am injected.
Old 05-24-2013, 05:14 PM
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Re: Power adders on Rochester quad?

Originally Posted by Ronny
I was gonna say ECU= injected but that would not be true in total(CCC). i am injected.
So my ccc could possibly use the ecu for a n2o setup
Old 05-28-2013, 09:05 AM
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Re: Power adders on Rochester quad?

Unlikely...
Old 05-30-2013, 01:43 AM
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Re: Power adders on Rochester quad?

Originally Posted by Ronny
Unlikely...
alright. I appreciate the input from everybody! Might be looking at swapping to a TPI soon haha.
Old 05-30-2013, 02:37 PM
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Re: Power adders on Rochester quad?

Originally Posted by Dabesiv
alright. I appreciate the input from everybody! Might be looking at swapping to a TPI soon haha.
dont bother with a tpi swap , to do the swap will run u around 450 bucks just to have a stock tpi system.

u would be way ahead of the game if u bought a stealth ram or other aftermarket efi intake

i had to convert my iroc back to tpi before i turboed it , it was originally tpi but the po converted it to carb and did a total hack job. looking back i wish i would have went single plane efi manifold , or other efi manifold instead . the cost difference between the 2 was minimal , and i would have been way ahead of the game if i would have done it in the first place
Old 05-30-2013, 10:25 PM
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Re: Power adders on Rochester quad?

Originally Posted by project89
dont bother with a tpi swap , to do the swap will run u around 450 bucks just to have a stock tpi system.

u would be way ahead of the game if u bought a stealth ram or other aftermarket efi intake

i had to convert my iroc back to tpi before i turboed it , it was originally tpi but the po converted it to carb and did a total hack job. looking back i wish i would have went single plane efi manifold , or other efi manifold instead . the cost difference between the 2 was minimal , and i would have been way ahead of the game if i would have done it in the first place
I guess I should mention it wasn't going to be a stock TPI setup. I had a long talk with my mechanic about doing a swap to a TPI style with a few extra bits so that I can change the F/A mix and a few other mods with my computer plugged into the car. As he said, "the Goodwrench 350 is a fairly good 350 and can be beefed up pretty easily if you change a few things like your fuel delivery etc." There is a tech at his shop that sets these systems up on older cars, I am going to be calling him next week to get an idea on what I will need for the swap and what the average cost would be.
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