3tc draw through turbo help needed

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3tc draw through turbo help needed

Postby TheChadCorolla » Mon Sep 22, 2014 3:48 pm

Hi, I'm new to the site, and need help desperately with my 3tc. I'm from south africa, cape town to be exact. I'm 16, and belong to my dad's car club know as Spin Addicts.We do burnouts competitively around the country. I first ran a 3tc, with a ported head, 40's dellorto side draughts, 262 cam, with a 11mm lift, branches with a 50mm downpipe, 5 speed gearbox, and 4:11 rear diff ratio. You can see my little ke70 in action, being driven by my dad here; http://m.youtube.com/watch?v=8usxAbirfQ4. That was a year or two ago. We are currently running a 3tc with the same setup, with a few changes done to it, such as a 288 cam was installed, and we fitted ITB's as well, which we manufactured ourselves using 42's weber side draughts, bmw 318i injectors and a custom fuel rail, also a verneer gear, and a dicktator management system. We did not get hp figures yet, but will keep you guys updated. We are now looking to go turbo, using a 38 weber carb, and we want to go the draw through route, to confuse the people :mrgreen: we want to know why the draw through system is not recommended, and how we can run it without hurting the engine. We do not want to boost over 0.8 bar, as burnout cars heat up very quickly, and we don't want to detonate the engine. Please help, as we would appreciate it very much, thanks
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Re: 3tc draw through turbo help needed

Postby BOBLOOK » Mon Sep 22, 2014 3:58 pm

Welcome on 3tcgarage nice burnout video thanks for the share

Draw through : The problem is mostly the turbo charger those particular seals used in the common air compressors wheels are not design to run fuel/air true them. To make it work you will need an turbo charger capable of running fuel mixture true it like the VW.

Second you can't cool the charge air.

Using an fuel/air mixture intercooler would be lethal :lol: :lol:
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Re: 3tc draw through turbo help needed

Postby SantanaAE86 » Mon Sep 22, 2014 7:16 pm

Very nice man that car has some power!!

For the draw throught you will need a turbo that is made for the draw through caus a normal turbo doesnt have the carbon seal in it or buy a turbo then look for the carbon seal and put it in

But I prefer the blow through style just look for the holley blow through carb "demon" and a pressure regulator , I think it will be better!
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Re: 3tc draw through turbo help needed

Postby TheChadCorolla » Tue Sep 23, 2014 6:32 pm

Thanks for the good remarks, as well as the advice. My dad and I decided to go with the blow through system as it would cause less hassles. The blow through would also be a bit lighter on our pockets, cause we're on a budget :D. So the blow through doesn't necesarily push out more power right?
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Re: 3tc draw through turbo help needed

Postby SantanaAE86 » Wed Sep 24, 2014 1:51 am

I think both of them push the same power , just there is one problem ! I heard allong time ago from someone who had the blow trough style on his car and he told me that when youre car is att idle or att low rpm you can overfloat the carb thats what he told me im not sure of that (correct me if that is not true)!
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Re: 3tc draw through turbo help needed

Postby slaus » Thu Sep 25, 2014 1:21 am

I'm the draw through king when it come to 2T and 3T engines but i've never done it with turbo only supercharger see my video OF WHEN I FIRS DRAW THROUGH SUPERCHARGED my 13t-u engine:

http://www.youtube.com/watch?v=YYudIV2V9ac


AND HERE IS MY 2T-B ENGINE FIRST SETUP
IMG-20120924-00056-1.jpg
IMG-20120924-00056-1.jpg (192.82 KiB) Viewed 3627 times
Last edited by slaus on Thu Sep 25, 2014 1:36 am, edited 2 times in total.
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Re: 3tc draw through turbo help needed

Postby slaus » Thu Sep 25, 2014 1:22 am

IMG-20130320-00141-1.jpg
IMG-20130320-00141-1.jpg (157.38 KiB) Viewed 3627 times

2T-B ENGINE SECOND SETUP
I RAN HIGH 15'S ON THE QUARTER MILE WITH THIS SETUP ON 8 PSI BOOST STOCK CAMSHAFT, STOCK EVERYTHING, JUST BOLTED ON A DOUG THORLEY HEADER. HERE IS THE VIDEO ON THE TRACK:

http://www.youtube.com/watch?v=79gkE25dQrk
Last edited by slaus on Thu Sep 25, 2014 1:35 am, edited 3 times in total.
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Re: 3tc draw through turbo help needed

Postby slaus » Thu Sep 25, 2014 1:27 am

IMG00010-20101009-1439.jpg
IMG00010-20101009-1439.jpg (164.57 KiB) Viewed 3626 times


THIS SETUP WAS RUNNING 18 PSI BOOST!!!!!! 13T-U ENGINE
Last edited by slaus on Thu Sep 25, 2014 1:34 am, edited 1 time in total.
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Re: 3tc draw through turbo help needed

Postby slaus » Thu Sep 25, 2014 1:31 am

IMG_20120219_181213-1.jpg
IMG_20120219_181213-1.jpg (46.39 KiB) Viewed 3626 times


AND THIS IS WHAT YOU WANT. THIS IS A CAR THAT WAS OWEND BY A GUY ON THE OLD 3TC SITE. THIS IS A GOLF BALL 2TC ENGINE WITH AN ENGLE EP-28 CAM. THIS CAR RAN 11 SEC IN THE QUARTER MILE ON 25 PSI BOOST WITH THIS DRAW THROUGH TURBO SETUP!!!!!!!
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Re: 3tc draw through turbo help needed

Postby NME308 » Thu Sep 25, 2014 2:37 am

SantanaAE86 wrote:I think both of them push the same power , just there is one problem ! I heard allong time ago from someone who had the blow trough style on his car and he told me that when youre car is att idle or att low rpm you can overfloat the carb thats what he told me im not sure of that (correct me if that is not true)!


Only if you didn't have a boost referenced fuel pressure regulator...

Cheers,
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