NEW plan - 1600 TURBO + oval + downunder

With Turbo and Super charging you can create massive horsepower with vw motors.

Moderator: seabeebuggy

User avatar
petew
Posts: 2784
Joined: Sat Oct 07, 2006 6:05 pm
Location: Sydney/Australia
Contact:

NEW plan - 1600 TURBO + oval + downunder

Postby petew » Fri Dec 05, 2014 4:03 pm

Ok, so it's taken a while but the new engine is well on the way to being built by my mechanic. He just needs a few odds and ends and it's altogether. I was going to go supercharged/intercooled, but the more i look at it, the more packaging is a nightmare and I'm not cutting up my engine bay.

So, thinking about a hideaway style setup, but being in Australia, shipping the CB header here costs almost as much as the price of the header. This means, I need to build something here, or assemble something from parts.

Specs;
1600DP
Stock except for dished pistons, balanced bottom end, SP2 mild street cam.

Questions;
1. What size runners? I assume stock right?
2. Does equal length matter that much? Can I build something unequal length and have good success?
3. Jap factory turbos (with wastegate)?

I'm planning on running a water/oil intercooler and shooting for around 150-200hp with Microsquirt. Focus is on drivable torque, not top end screaming.
Last edited by petew on Thu Jan 15, 2015 10:35 pm, edited 3 times in total.
miniman82
Posts: 3944
Joined: Sun Apr 27, 2008 5:36 pm
Location: Norfolk, VA

Re: NEW plan - 1600 TURBO qu about headers.

Postby miniman82 » Fri Dec 05, 2014 5:40 pm

1 3/8" primary tubes, go as big as you want on the downpipe. Equal length matters not on the street, and find a T25 sized turbo for fast spool. You should be able to get 150hp pretty easily, especially if you can fit an intercooler.
Image
User avatar
petew
Posts: 2784
Joined: Sat Oct 07, 2006 6:05 pm
Location: Sydney/Australia
Contact:

Re: NEW plan - 1600 TURBO qu about headers.

Postby petew » Fri Dec 05, 2014 6:12 pm

So that's 1 3/8" ID tubing? Right?

Intercooler for sure. :)
miniman82
Posts: 3944
Joined: Sun Apr 27, 2008 5:36 pm
Location: Norfolk, VA

Re: NEW plan - 1600 TURBO qu about headers.

Postby miniman82 » Fri Dec 05, 2014 9:52 pm

Yup.
Image
Clonebug
Posts: 2669
Joined: Fri Feb 16, 2007 12:28 am

Re: NEW plan - 1600 TURBO qu about headers.

Postby Clonebug » Sat Dec 06, 2014 11:08 am

Tubing is measured by outside diameter.
The point wasn't to argue air temps with the current world record holder, but to dispel the claim that the K03 is wrapped up at 150 HP. It's not.
User avatar
petew
Posts: 2784
Joined: Sat Oct 07, 2006 6:05 pm
Location: Sydney/Australia
Contact:

Re: NEW plan - 1600 TURBO qu about headers.

Postby petew » Sun Dec 07, 2014 1:04 am

My turbo guru buddy has told me to buy the CB header and stop being a tightwad. Waddayareckon?
User avatar
yvre
Posts: 500
Joined: Sun Feb 25, 2007 12:58 pm

Re: NEW plan - 1600 TURBO qu about headers.

Postby yvre » Sun Dec 07, 2014 4:45 am

Build something yourself or have one made.
CB header is too big for your application, and will rust just as fast.
Clonebug
Posts: 2669
Joined: Fri Feb 16, 2007 12:28 am

Re: NEW plan - 1600 TURBO qu about headers.

Postby Clonebug » Sun Dec 07, 2014 11:53 am

Here is a kit that is reasonable

They even have collectors.

http://www.greatplainsas.com/scexhaust.html

You can get straight tubing locally...
The point wasn't to argue air temps with the current world record holder, but to dispel the claim that the K03 is wrapped up at 150 HP. It's not.
User avatar
petew
Posts: 2784
Joined: Sat Oct 07, 2006 6:05 pm
Location: Sydney/Australia
Contact:

Re: NEW plan - 1600 TURBO qu about headers.

Postby petew » Sat Dec 13, 2014 1:14 am

Ok, so the next crazy idea. TWO Mitsubishi TD03-G7 turbos on short manifolds. Thought?
User avatar
petew
Posts: 2784
Joined: Sat Oct 07, 2006 6:05 pm
Location: Sydney/Australia
Contact:

Re: NEW plan - 1600 TURBO qu about headers.

Postby petew » Sat Dec 13, 2014 1:34 am

BTW, the thinking behind this to get the turbo/s UNDER the car neatly.
Clonebug
Posts: 2669
Joined: Fri Feb 16, 2007 12:28 am

Re: NEW plan - 1600 TURBO qu re headers - what about 2 turbo

Postby Clonebug » Sat Dec 13, 2014 11:03 am

Run a TD03 as the primary and have a TD04 blow into the small one.

I have thought about doing it to my buggy but it would be a plumbing nightmare.

I have a TD04-9B and a TD04-13T sitting in the garage right now.........The TD04-9B is just a little guy.
The point wasn't to argue air temps with the current world record holder, but to dispel the claim that the K03 is wrapped up at 150 HP. It's not.
User avatar
petew
Posts: 2784
Joined: Sat Oct 07, 2006 6:05 pm
Location: Sydney/Australia
Contact:

Re: NEW plan - 1600 TURBO qu re headers - what about 2 turbo

Postby petew » Wed Dec 17, 2014 4:15 pm

Got a call from my engine builder yesterday. Motor is built and cam broken in. It's added up to a bit more $$$$ than I was expecting, but like I said to him, I know it's built right. This guy has built more engines than I've have hot dinners. I'll pick it up today. Should have cam and compression figures soon. Now to plan exhausts and turbos! :)
User avatar
andy198712
Posts: 1563
Joined: Wed Apr 13, 2011 3:01 pm

Re: NEW plan - 1600 TURBO qu re headers - what about 2 turbo

Postby andy198712 » Thu Dec 18, 2014 4:32 pm

yeah its all the little bits that add up at the end of the build i'm finding!

great news though!
User avatar
petew
Posts: 2784
Joined: Sat Oct 07, 2006 6:05 pm
Location: Sydney/Australia
Contact:

Re: NEW plan - 1600 TURBO qu re headers - what about 2 turbo

Postby petew » Thu Dec 18, 2014 5:06 pm

Right, so the motor is in my shed... specs are as follows; stock 1600 except for Engle TCS-10 turbo cam, fully balanced bottom end, dished top pistons, heavy duty oil pump and cover for filter/oil cooler. Compression, I'm not exactly sure about, but it's a little less than stock. Say 7.5:1.
User avatar
turbobaja
Posts: 2789
Joined: Fri Sep 14, 2007 6:56 pm
Location: The Evergreen State

Re: NEW plan - 1600 TURBO qu re headers - what about 2 turbo

Postby turbobaja » Thu Dec 18, 2014 9:36 pm

Sounds like a fun engine! Gonna take a good bit of boost and rpm to make your HP goals I'd say though. Stock ports, valve, springs, etc. too? Stock crank? TCS10 is like a W110 on the intakes and W100 exhaust profile, should rip pretty good.

I really don't see the use in complicating things with 2 turbos on these pancake engines. One will do the job for 99% of our applications, and even 2 won't give you the bottom end response of a belt driven supercharger. The header(s) would need to pair opposing vs. neighboring cylinders to make it worth doing for any real performance gains on a twin install. Compounding like Clonebug suggested has a better chance of bottom end grunt with top end fun. Both are just more trouble than they're worth in my opinion, especially for a "driver".
Karl

DON'T QUIT

Return to “The Forced Induction Forum.”

Who is online

Users browsing this forum: No registered users and 4 guests