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twin turbo el v8 

 

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 Post subject: twin turbo el v8
Posted: Tue Oct 17, 2006 8:55 pm 
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anyone who knows of someone who has done it, what technical info can you give me? ie what turbos, what motor specs, where the manifolds came from etc etc..

theres a guy on ffau that has done it to an eb, but i figure ill ask here first.

 

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Posted: Tue Oct 17, 2006 9:06 pm 
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EBXR8380 Has done it, he knows just about everything!

 

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Posted: Tue Oct 17, 2006 9:13 pm 
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yeh i didnt know he was on here too. i just remember seein him on ff. awesome!

if i were to do it, id want about 300rwkw at under 6000rpm anything over is a bonus. namely because thats all i need, and coz i dont wnna split the block. small turbos would be fine..

another question is what the cost is initially..

 

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Posted: Tue Oct 17, 2006 9:22 pm 
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buy yourself performance ford mag with green car on front, (latest issue) has a complete article, with pictures of a turbo install on an el v8, although it is a single turbo

 

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Posted: Tue Oct 17, 2006 10:34 pm 
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A single turbo will be more than enough to get 300rwkw out of a 5L.

That will be pretty close to the limits of the block as well. I wouldn't be pushing it too much further.

 

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Posted: Wed Oct 18, 2006 5:31 pm 
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yeh thats it.. i duno, i just prefer twin terbos on a v motor. n all that extra exhaust piping around the engine for a single just turns me off that

 

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Posted: Wed Oct 18, 2006 6:44 pm 
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I think a big single (if that's what you want to call it) would be a bit easier.

Start off with 4 into 1 headers on each side (I think you can use aftermarket headers just mounted backwards, can someone correct me on this? Then you just have to make a 2 into 1 collector then run a pipe from that collector to where you want to mount the turbo.

Gen 3 guys have been using our GT35/40R as a single turbo setup for a while now with a boost threshhold from 1500odd rpm and no noticeable restriction at redline.

Also intercooler design and piping is much simpler on a single turbo setup compared to a twin.

If I remember correctly EB was quoted a while back as saying that if he had his time again he'd go single.
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Posted: Wed Oct 18, 2006 6:48 pm 
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Yeah most of the fox body mustang guys just turn the headers around. Could probably use stock ones, but they flow about as well as a constipated dog.

Keep revs low on the standard block if you're chasing that much power.

Graeme (EBXR8380) knows everything you'll need to know.

 

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Posted: Wed Oct 18, 2006 6:59 pm 
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I have a mate with a single turbo LS1. The whole crossover pipe idea is quite good I thought. Makes about 350rwkw. Will be good for a lot more once it is tuned.

 

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Posted: Wed Oct 18, 2006 7:16 pm 
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Would a single turbo V8 have a much different exhaust note compared to a twin. i.e a single 4-6" pipe from the back of the turbo right through to the rear. Wouldn't it drone a bit much?
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Posted: Wed Oct 18, 2006 7:58 pm 
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Not really since it is a larger turbo .

I dont know whether its of interest but in the ls1 world (holden v8) there are quite a few kits available in single and twin turbo form. 7k for a single and around 13k for a twin. Alot of the ones i've seen use a Holset truck huffer and from there its exhaust to the back and its easier to plumb in to the intercooler.

The general consensus is if your chasing huge power go the twins,

If not then the single is the way to go.
And lag isnt a problem even with a large single as a v8 generates a fair bit of exhaust gases.

 

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Posted: Wed Oct 18, 2006 7:59 pm 
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Kilma wrote:
I have a mate with a single turbo LS1. The whole crossover pipe idea is quite good I thought. Makes about 350rwkw. Will be good for a lot more once it is tuned.


Didnt see you there mate.

 

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Now N/A (permanent Lag) - AFR 165's, Comp XE270 cam, 1.6 RR - 269 rwhp 14.1 @ 102mph.

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Posted: Wed Oct 18, 2006 9:48 pm 
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Mah. You provided more info that I did. :lol:

 

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Posted: Tue Oct 24, 2006 12:13 am 
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a big single would be ok
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Posted: Tue Oct 24, 2006 12:15 am 
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4.9 EF Futura wrote:
Could probably use stock ones, but they flow about as well as a constipated dog.


LMAO :lol:

 

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