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MY 3.8 twin turbo build up. How much HP do you think?

Its a 3.8 built with Carrillo rods, EVO cams ported heads. Twin Garrett GT35r ball bearing turbos. Motec engine management. I wonder how much HP it will make?
Old 03-27-2007, 08:20 PM
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VERY nice! Depends on how much boost you intend to run?!?
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'89 911 Turbo Cab
Protomotive MAP ECU, Twin Plugged Heads, GT2-EVO CAMs, 3.3L fully finned P&C's, ARP fasteners, C2T head gaskets, Titanium Retainers, Turbo spec valves, springs & guides, 964 splash valves, GT35R BB turbo, GSF Stainless Headers, Magnaflow Exhaust, Full bay Intercooler, TiAL 46mm w/gate, TiAL 50mm BOV, Apexi AVC-R EBC, SPEC Stage3+ Clutch kit, Crane CDI Ignition
Old 03-27-2007, 08:29 PM
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I will add more pics as we progress on. [img]

My friend helping to assemble the turbos.

http://forums.pelicanparts.com/uploads10/DSC02326b1175057600.jpg[/img]
Old 03-27-2007, 08:54 PM
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what a dork. 1.2 bar. with t3/t4 60s it made almost 700 hp at 1 bar before.the rebuild. On stock internals. I am also running 2.5 intake pipe.

Last edited by speeed racr; 03-27-2007 at 09:00 PM..
Old 03-27-2007, 08:57 PM
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Here is the video.of the car when my friend Alex owned it.

http://media.putfile.com/Alexanders-Protomotive-993-4liter-101147MPH
Old 03-27-2007, 09:05 PM
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Well it should breath alright, but the real question is what size injectors you plan on using
Old 03-27-2007, 09:12 PM
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Yeh, I would have said mid->high 700's
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'89 911 Turbo Cab
Protomotive MAP ECU, Twin Plugged Heads, GT2-EVO CAMs, 3.3L fully finned P&C's, ARP fasteners, C2T head gaskets, Titanium Retainers, Turbo spec valves, springs & guides, 964 splash valves, GT35R BB turbo, GSF Stainless Headers, Magnaflow Exhaust, Full bay Intercooler, TiAL 46mm w/gate, TiAL 50mm BOV, Apexi AVC-R EBC, SPEC Stage3+ Clutch kit, Crane CDI Ignition
Old 03-27-2007, 09:12 PM
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Old 03-28-2007, 07:52 AM
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I would think that beast should make closer to 1000...especially with individual throttle bodies! Enough turbo to support 1200HP, then consider 8.5hp/lb/min of air flow for the air-cooled 2 valve motor and you get~1020HP...if you can put enough boost to it.

Cleve
Old 03-28-2007, 07:56 AM
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800+ HP., I have a similar setup, but without the tb's, and 3076's instead of 3582's turbos, it is making 807hp at the wheels at 1.45bar, with a good tune yours should make 900+ at similar boost levels.,keep us posted.,Candy.
Old 03-28-2007, 01:23 PM
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Delicious motor!....BTW we have the same glasses........................................... .......................and tattoo!

Yasin
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Old 03-28-2007, 07:12 PM
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I think you'll have WAY TOO MUCH HP... so I think you should give me some
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'89 911 Turbo Cab
Protomotive MAP ECU, Twin Plugged Heads, GT2-EVO CAMs, 3.3L fully finned P&C's, ARP fasteners, C2T head gaskets, Titanium Retainers, Turbo spec valves, springs & guides, 964 splash valves, GT35R BB turbo, GSF Stainless Headers, Magnaflow Exhaust, Full bay Intercooler, TiAL 46mm w/gate, TiAL 50mm BOV, Apexi AVC-R EBC, SPEC Stage3+ Clutch kit, Crane CDI Ignition
Old 03-28-2007, 07:53 PM
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Bad@$$! Did you bore the case for the 3.8 cylinders or did you use slip ins? You could run that thing on low boost and eat Ferraris and crap Corvettes
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Old 03-28-2007, 08:30 PM
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Have you flame ringed the heads/liners for the extreme boost levels you plan to run?
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'89 911 Turbo Cab
Protomotive MAP ECU, Twin Plugged Heads, GT2-EVO CAMs, 3.3L fully finned P&C's, ARP fasteners, C2T head gaskets, Titanium Retainers, Turbo spec valves, springs & guides, 964 splash valves, GT35R BB turbo, GSF Stainless Headers, Magnaflow Exhaust, Full bay Intercooler, TiAL 46mm w/gate, TiAL 50mm BOV, Apexi AVC-R EBC, SPEC Stage3+ Clutch kit, Crane CDI Ignition
Old 03-28-2007, 09:11 PM
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Cool engine!

Suggestion: check head temps while on-dyno. It will probably deliver ungoodly amount of power in short bursts but I suggest monitoring head temps and tuning the motor so they never exceed 210 deg. C (if you used N/A heads) or 230 deg C (if you used Turbo heads). After that, heads go soft/plastic and all kind of bad things start to happend.
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Old 03-29-2007, 12:13 AM
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NICE. 829HP what do I win?
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Old 03-29-2007, 01:40 PM
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SLIP IN MAHLE PISTONS.

Quote:
Originally posted by 930gt-40r
Bad@$$! Did you bore the case for the 3.8 cylinders or did you use slip ins? You could run that thing on low boost and eat Ferraris and crap Corvettes
Old 03-29-2007, 09:01 PM
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Quote:
Originally posted by WydRyd
Have you flame ringed the heads/liners for the extreme boost levels you plan to run?
Heads are flame ringed.
Old 03-29-2007, 09:04 PM
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Thumbs up

Quote:
Originally posted by SCHNELE
NICE. 829HP what do I win?
I will post dyno results as soon as we dyno it as well as a video.
Old 03-29-2007, 09:06 PM
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By no means go over 1 bar with slip ins!! if you want it to last some.,Candy.

Quote:
Originally posted by speeed racr
SLIP IN MAHLE PISTONS.
Old 03-30-2007, 05:09 AM
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