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Discussing Mach1/Cobra Heads in the 99-04 Forum. Quick question and please answer only if you know. lol. Are the heads(full) on a ... Modded Mustangs is the premier Ford Mustang Forum on the internet. We discuss all aspects of the Ford Mustang on the forum. Registered Users do not see the above ads. Please Register - It's Free! |
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February 29th, 2008, 11:58 AM
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#1 |
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Regular
Join Date: Feb 2007
Posts: 160
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Mach1/Cobra Heads
Quick question and please answer only if you know. lol. Are the heads(full) on a 03/04 Mach 1 the same heads as the 03/04 Cobra?
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February 29th, 2008, 11:58 AM
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#2 | |
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Gun Whore
04 Whipple Cobra
10.61@129.96
Join Date: Dec 2007
Location: Alexandria, VA
Posts: 2,507
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everything but the cams.
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February 29th, 2008, 12:35 PM
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#3 |
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Regular
Join Date: Feb 2007
Posts: 160
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Can I boost on mach 1 heads like i could on a cobra? (forgeting the block limitations)
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February 29th, 2008, 12:51 PM
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#4 | |
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Gun Whore
04 Whipple Cobra
10.61@129.96
Join Date: Dec 2007
Location: Alexandria, VA
Posts: 2,507
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yes, the heads are the same, the mach actually has slightly better cams.
but yes, the bottom end on the mach wont withstand too much.
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February 29th, 2008, 12:55 PM
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#5 |
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Regular
Join Date: Feb 2007
Posts: 160
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Well im thinking about doing a block swap with the new boss 5.0 modular motor that ford racing has out. Slap my existing heads on and than get all the cobra shit i need to put a twin screw on top. What do you think?
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February 29th, 2008, 01:28 PM
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#6 | |
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Gun Whore
04 Whipple Cobra
10.61@129.96
Join Date: Dec 2007
Location: Alexandria, VA
Posts: 2,507
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it would be a nice build. i would definently send the heads to either NAZMAN on SVTP, or fox lake to have them ported while they're off, and throw in a good set of cams.
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February 29th, 2008, 01:35 PM
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#7 |
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Regular
Join Date: Feb 2007
Posts: 160
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Yeah, thats a good idea. As far as the blocks rotating assembly. How much hp can cobra rotating assembly handle? Because in my particular situation i can get cobra roating assembly pretty cheap. I mean im assuming they can handle up to 900-1000 hp with the right block. Or am i way off?
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February 29th, 2008, 02:05 PM
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#8 | |
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Gun Whore
04 Whipple Cobra
10.61@129.96
Join Date: Dec 2007
Location: Alexandria, VA
Posts: 2,507
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a 03-04 can handle 1000HP at the crank. the pistons will e a weak point, but they will do it for a little while.
the 03-04 cobra crank is good for about 1500HP believe the block is about the same rods 900-1000HP pistons/rings 700-800HP but will do 1000 for a short time. best thing to do is find a 03/04 cobra shortblock have it bored .020 over, and replace the pistons with something good like CP's.
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February 29th, 2008, 02:09 PM
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#9 |
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Regular
Join Date: Feb 2007
Posts: 160
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Ok cool.
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March 1st, 2008, 07:19 PM
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#10 |
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Enthusiast
2002 Mustang GT
Join Date: Mar 2008
Location: Guaynabo, Puerto Rico
Posts: 784
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No man, they arent
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March 1st, 2008, 07:50 PM
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#11 | |
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Regular
2004 GT
Join Date: Feb 2008
Location: Chalfont, PA
Posts: 468
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 Vortech Mongoose Kit,Meth Inj,Mac LT's & Pro-Chamber,SLP LM2,3:73,Accufab T-Body & Plenum,Pro 5.0 Shifter,FR500 Deep Dish Rims,H&R Springs,KYB Adj,MM CC Plates,Mach 1 Grill Delete & Spoiler,HID's,Saleen Wing,Steeda X2 & Bumpsteer
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March 1st, 2008, 08:06 PM
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#12 | |||
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Hardcore Enthusiast
2000 Mustang GT
Join Date: May 2007
Location: St. Louis, MO
Posts: 1,055
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2000 GT, 5spd, K&N drop in, king cobra kit, full dyno tune, pypes o/r x and violator, MGW, termi front clip
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March 1st, 2008, 08:48 PM
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#13 |
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Enthusiast
2002 mustang gt
i have no idea
Join Date: Feb 2008
Location: beaumont, texas
Posts: 923
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yeah and sorry but a cobra block cant rods and pistons wont handle 1000 hp its good to make about 700 to the wheels makeing it around 740 or so to the crank
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 2002 MUSTANG GT4.10s,pi 3500 stall, borla catback, o/r h pipe, jlt fender cold air, CUSTOM CAMS FROM JAY AT CAMSHAFT INNOVATIONS, AND DA JUICE.. and suspension shit that puts it all to the ground lol GOAL 11.4-10.99 |
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March 1st, 2008, 08:54 PM
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#14 |
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Enthusiast
2000 Mustang GT
Join Date: Jan 2007
Location: Virginia Beach
Posts: 986
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700 whp is more like 820-830 hp at the crank...and i've seen it handle more than that... although i personally wouldn't run 1000hp on a stock shortblock...not even a termi shortblock..
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March 1st, 2008, 09:26 PM
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#15 | ||
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Hardcore Enthusiast
2000 Mustang GT
Join Date: May 2007
Location: St. Louis, MO
Posts: 1,055
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i concur^^
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2000 GT, 5spd, K&N drop in, king cobra kit, full dyno tune, pypes o/r x and violator, MGW, termi front clip
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