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Old 04-03-2005, 00:30   #1 (permalink)
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How would you build a twin turbo clevo?

Say you had up to 20K for a twin turbo clevo, how would you build it? lets say you want 10s 1/4, 600RWHP, MAX rpm 6K.

Below are the bits I plan to retain from my n/a setup.

2v heads-ported, big valves, RR's, all good valvegear, ect ect
stock block, 4ma crank
weiand Xcellerator

Just started this topic to see where others would spend the coin and what they would use.
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Old 04-03-2005, 01:09   #2 (permalink)
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Re: How would you build a twin turbo clevo?

Quote:
Originally Posted by ltd351
Say you had up to 20K for a twin turbo clevo, how would you build it? lets say you want 10s 1/4, 600RWHP, MAX rpm 6K.

Below are the bits I plan to retain from my n/a setup.

2v heads-ported, big valves, RR's, all good valvegear, ect ect
stock block, 4ma crank
weiand Xcellerator

Just started this topic to see where others would spend the coin and what they would use.
Go ask Ben from the 335 forum. He is doing something similar, and even has a build up thingy somewhere on the forum. He is fabbing up his own stuff, so may have some usefull advice. Someone elso also had a turboed cleveland in an XE that was also on one of these 2 forums. Try a search as there was even pictures of the XE's engine bay.
Sounds like it could be fun if you went through with it. Are you using stronger conrods then standard?
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Old 04-03-2005, 03:30   #3 (permalink)
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Re: How would you build a twin turbo clevo?

whats the adress for that forum I tried using google but found nothing.

will use h beam rods
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Old 04-03-2005, 03:36   #4 (permalink)
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Re: How would you build a twin turbo clevo?

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Originally Posted by ltd351
whats the adress for that forum I tried using google but found nothing.

will use h beam rods
Just put "335 cleveland" in google, and hit the "im feelin lucky" button.
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Old 04-03-2005, 05:00   #5 (permalink)
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Re: How would you build a twin turbo clevo?

cheers
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Old 04-03-2005, 06:33   #6 (permalink)
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Re: How would you build a twin turbo clevo?

I was building (having/paying someone to build!) one.

Used a long rod stroker with 6inch H beams , customs Ross pistons....... deceided to use a newby blower manifold lower for the intake and get a customs box built on top. Had a twin turbo set up with twin t3's and thanks to the space in a XC coupe engine bay - big dump pipes!

Then I decided it was all to hard and bought the max wedge supercharger!

I spent 20+ after the blower was fitted so yeah dont expect to get any change from your 20 to build a motor with that much genuine horsepower as it takes a lot fo big parts if you want it to last for while.
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Old 04-04-2005, 04:16   #7 (permalink)
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Re: How would you build a twin turbo clevo?

I guess the biggest thing that you have to remember when building something like this is that Revs kill conrods, boost kills pistons. As long as you keep the revs around std the rods will be fine. The area that you need to really look at is pistons and compression ratio. That coupled with good intercooling and the right fuel and ignition will see you making heaps of power. I started a thread about engine options for my XE project. At the moment I am starting a dedicated LPG Turbo setup that should do reasonably well. work on a rought figure of 14 psi boost will double your hp so work out the boost that you want from there. Go to the Ray Hall website and they have a turbo calculator for engines that will allow you to pick the correct turbo for your engine. Probably the biggest problem with that sort of power at std revs will be the need for a 6:1 comp ratio to allow the boost that you will need which will probably be around the 20 - 24 psi mark with a decent turbo. I am going away with work for a while but I have an engine lined up for the project so I will let you know how I go. Something around a T66 Garrent is pretty good for a single or TO4E - 60 trim for twins.

Paul
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Old 04-04-2005, 04:32   #8 (permalink)
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Re: How would you build a twin turbo clevo?

with the turbo option do you have to use fuel injection ?
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Old 04-04-2005, 16:22   #9 (permalink)
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Re: How would you build a twin turbo clevo?

i'm going to upset alot of people in saying this, but simply put i wouldn't trust the clevo block for this kind of task.

maybe a 9.2 Dart block (you can pretty much use the same heads, crank etc.) but you have alot more trustworthy bores and mains.
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Old 04-04-2005, 20:55   #10 (permalink)
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Re: How would you build a twin turbo clevo?

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Originally Posted by xr8_sprint
i'm going to upset alot of people in saying this, but simply put i wouldn't trust the clevo block for this kind of task.

maybe a 9.2 Dart block (you can pretty much use the same heads, crank etc.) but you have alot more trustworthy bores and mains.
I agree. If you are serious about the project and want big power, the dart would be the go, but if you are really only doing a milder street turbo, it would be ok, but then why bother i spose.
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