Twin Turbo 351W Fox Convertible
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RE: Twin Turbo 351W Fox Convertible - 3/8/2008 10:06:17 AM
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floodzilla
Posts: 531
Joined: 2/22/2008
From: L.I. New York
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SWEET RIDE!!!!! with 10 psi youll get way more then you bargained for in hp #s. if the block can handle it, crank that boost to about 16 and youll easily get 750+. awsome
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FLOODZILLA
Screw disney, A junkyard is the happiest place on earth!
5.0 Turbo
Masterpower t70 turbo
46 lbs injectors
water/methanol
437 Horsepower
545 Ft.lbs. Torque
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RE: Twin Turbo 351W Fox Convertible - 3/8/2008 10:10:21 PM
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Fox351
Posts: 86
Joined: 2/2/2007
From: Columbus, GA
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Are the turbo's held on by a V clamp ??? and did you take shorties and make the headers or did you have a complete custom set made and if so how much did you have to shell out for them ??? I have to say that this makes me want to complete my project car. Any paticular reason you went with a LS-1 coil packs or just to make it easier to time and tune?
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RE: Twin Turbo 351W Fox Convertible - 3/9/2008 8:49:57 AM
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r.barn
Posts: 5259
Joined: 2/5/2006
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Turbos are held on by V-bands, might make small bracket to help hold cold side of turbo to body
with little rubber isolators though.
Those are ceramic coated 1 5/8 BBK shorty headers with collectors trimmed back,
and then swapped around to face forward.
LS1 coils were used because they have built in igniters and dont require
a secondary ingniter box, just wire them right into the AEM.
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"They that can give up essential liberty to obtain a
little temporary safety deserve neither liberty nor safety."
Ben Franklin
Plaque in Statue of Liberty
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RE: Twin Turbo 351W Fox Convertible - 3/9/2008 3:47:12 PM
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Fox351
Posts: 86
Joined: 2/2/2007
From: Columbus, GA
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I am looking at the headers and the "midpipe" between the Headers and the Turbo....Are you going to tap into that for the Wastegate ??? I was also wondering what your thoughts on the MegaSquirt EMS and if you would use it on your setup ??? I am planning on using this EMS and I am a little hesitant about it. I am building a similar project its a 88 coupe with 351W that is punched out to 408 ci and I wanna run either 205 or 225 heads (What is your thoughts on this?) with a compression ratio of about 9.0-9.5:1 then throwing on a twin turbo setup ( I will probably build the hot side myself but what size turbo do you feel that would do the best for spool time and efficiency? ) running about 4-8 psi on low boost and 10-12 psi on high boost. If all my questions get annoying let me know.
< Message edited by Fox351 -- 3/9/2008 11:34:46 PM >
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RE: Twin Turbo 351W Fox Convertible - 3/9/2008 5:16:16 PM
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P.S.I.cho
Posts: 817
Joined: 3/10/2005
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id watch your compression on most cars at anything over 10psi anything higher then 9:1 compression would be too high, its a general rule some times u can get away with it but then agian some people will have head gasket probelms at 9:1
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95 gt vert
331 stroker
d-1sc @ 10 lbs
582 rwhp 511 ft. Tq
too much to list
http://www.cardomain.com/ride/2364369/1
my videos
http://videos.streetfire.net/uploaded/vertstang95.htm
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RE: Twin Turbo 351W Fox Convertible - 3/9/2008 7:47:54 PM
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r.barn
Posts: 5259
Joined: 2/5/2006
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quote:
ORIGINAL: P.S.I.cho
id watch your compression on most cars at anything over 10psi anything higher then 9:1 compression would be too high, its a general rule some times u can get away with it but then agian some people will have head gasket probelms at 9:1
It's not the headgasket, its the tune ............ its all in the tune and the computer running it.
People like to blame compression levels and headgaskets, but its really crappy stock computers and over aggressive tunes
that blow motors and h/gs
Fox351: How much power are you looking to make ?
A 408W with 225cc heads and twin turbos will make 1000rwhp, do you really want that much power?
_____________________________
"They that can give up essential liberty to obtain a
little temporary safety deserve neither liberty nor safety."
Ben Franklin
Plaque in Statue of Liberty
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RE: Twin Turbo 351W Fox Convertible - 3/9/2008 9:42:42 PM
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P.S.I.cho
Posts: 817
Joined: 3/10/2005
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k ill let him run stock head gaskets at 9.5:1 compression and we will see what happens  , tune does play a big role but if your cylinder pressures are too high there is just nothing you can do except get a stronger head gasket and as cylinder pressures rise so do heat ratings, with added heat comes detonation, which will end up requiring you to run higher octane fuel etc. etc.. , compression is a big role.
_____________________________
95 gt vert
331 stroker
d-1sc @ 10 lbs
582 rwhp 511 ft. Tq
too much to list
http://www.cardomain.com/ride/2364369/1
my videos
http://videos.streetfire.net/uploaded/vertstang95.htm
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