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Author
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Topic: 4.6 built engine questions
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bunchmyfunky
CAFords Drag Racing Mod
Member # 360
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posted
 
 
I'm in the process of deciding on selling my car and getting a 03 Cobra or building a motor for the GT. Are modular strokers worth getting or should I just bore the motor over as much as possible.
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01 GT 5spd
1.76 12.79@105.49
Posts: 2433 | From: Vacaville | Registered: Jul 2001
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MINGRYGT
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Member # 2439
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posted
I want to x2c has a 302 short block for $3495? I have one of their blocks and I think that it was put together well, It was delivered when promised and they have good tech service as well.
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R.I.P. MIKE STARKEY 5-17-03
Posts: 488 | From: Concord | Registered: Feb 2003
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bunchmyfunky
CAFords Drag Racing Mod
Member # 360
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posted
quote:
Originally posted by MINGRYGT:
I want to x2c has a 302 short block for $3495? I have one of their blocks and I think that it was put together well, It was delivered when promised and they have good tech service as well.
did you get the 302?
Posts: 2433 | From: Vacaville | Registered: Jul 2001
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CDT
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Member # 5004
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posted
the 5.0 stroker isnt going to be close to the power you can get with the 4v cobra.
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Custom Dyno Tuning
510.331.0608
Home of Flat Fee Tuning For All Cars, Trucks and SUV's, EFI & Carb, SCT, AFR, Dynatech, STS Turbos, N2O Refills
Posts: 1053 | From: Hayward | Registered: Nov 2004
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-NORCALCOBRA-
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Member # 2383
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posted
I have a short block that i mite sell with cp flat tops manley rods cobra crank built by h.c.i still on the stand.. I want to go a little crazier. As for a stroker motor they are okay f/s guys are making 370 rwhp on a .20 over motor and stock heads and intake with stock stroke. I have not many strokers beat that..Also fastest mod car in the world is a 4.6.. Big bore's make decent power they unshroud the valve and let the heads flow a little better...When building a mod motor remember compression is your friend. Why not do a 4v swap ??
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H.C.I 285 ci. ported 2003 heads heads, Sullivan Intake, stage 3 cams..T-76 single turbo to come...
R.M.I cylinder head fabrication
408 986 8626
Posts: 516 | From: SAN JOSE | Registered: Jan 2003
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-NORCALCOBRA-
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Member # 2383
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posted
I would not do anything from X2C or C.H.P. Only people to touch my motors would be Boss330 racing,Mod Perf.,V.T and of course H.C.I...
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H.C.I 285 ci. ported 2003 heads heads, Sullivan Intake, stage 3 cams..T-76 single turbo to come...
R.M.I cylinder head fabrication
408 986 8626
Posts: 516 | From: SAN JOSE | Registered: Jan 2003
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bunchmyfunky
CAFords Drag Racing Mod
Member # 360
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posted
quote:
Originally posted by -NORCALCOBRA-:
I would not do anything from X2C or C.H.P. Only people to touch my motors would be Boss330 racing,Mod Perf.,V.T and of course H.C.I...
I was looking at the big bores they look really nice but its some big cash for them. The 4v is an option also. How much HP can the motor you have handle.
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01 GT 5spd
1.76 12.79@105.49
Posts: 2433 | From: Vacaville | Registered: Jul 2001
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89 FAKE SNAKE
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Member # 4531
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posted
wha is wrong with CHP?
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90 COUPE
01 R1 (stock)
04 XR-50(stroked)
06 TT-R50E
SRA & PWA member
Posts: 3075 | From: san jose | Registered: May 2004
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-NORCALCOBRA-
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Member # 2383
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posted
C.H.P for MOD-MOTORS is junk I had along talk with John Mihovitz the other day about some various set ups and well lets just say stay away from this this 5.1 setup. And if anyone knows a thing about mod motor it's him...only one to run 6 seconds in a 4.6 to my knowledge. My motor I expect to make over 400 rwhp N/A. If I was going to build a motor for street/Strip duty I would go forged 4.6 flat top pistons forged rods stock cobra crank ported 03/04 heads Mildly ported 99/01 intake manifold. With bolt ons a good driver and traction you can have a very streetable 11 sec streetcar that can get 20+ mpg...
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H.C.I 285 ci. ported 2003 heads heads, Sullivan Intake, stage 3 cams..T-76 single turbo to come...
R.M.I cylinder head fabrication
408 986 8626
Posts: 516 | From: SAN JOSE | Registered: Jan 2003
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-NORCALCOBRA-
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Member # 2383
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posted
Feel free to give me a ring I got some of those parts needed to build that low 11 sec N/A car. That 03 is not a bad way to go either I just cant stand that whine..N/A-n20 is my gig..
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H.C.I 285 ci. ported 2003 heads heads, Sullivan Intake, stage 3 cams..T-76 single turbo to come...
R.M.I cylinder head fabrication
408 986 8626
Posts: 516 | From: SAN JOSE | Registered: Jan 2003
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bunchmyfunky
CAFords Drag Racing Mod
Member # 360
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posted
quote:
Originally posted by -NORCALCOBRA-:
Feel free to give me a ring I got some of those parts needed to build that low 11 sec N/A car. That 03 is not a bad way to go either I just cant stand that whine..N/A-n20 is my gig..
If I go 2v and the way I'm going to build the motor and the car it will be a solid 11sec NA car and then it will get a 200shot on top of that.
Posts: 2433 | From: Vacaville | Registered: Jul 2001
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2005GTskip
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Member # 4885
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posted
quote:
Originally posted by -NORCALCOBRA-:
I have a short block that i mite sell with cp flat tops manley rods cobra crank built by h.c.i still on the stand.. I want to go a little crazier. As for a stroker motor they are okay f/s guys are making 370 rwhp on a .20 over motor and stock heads and intake with stock stroke. I have not many strokers beat that..Also fastest mod car in the world is a 4.6.. Big bore's make decent power they unshroud the valve and let the heads flow a little better...When building a mod motor remember compression is your friend. Why not do a 4v swap ??
hey how much do u want for the short block and what is the compression.thanks Chris.
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2005 Gt
Posts: 294 | From: Discovery bay,California | Registered: Sep 2004
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-NORCALCOBRA-
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Member # 2383
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posted
Short block is a .030 over teksid aluminum block with C.P custom pistons manley h beams and a cobra crank. Heads are ported B heads off a 98 cobra I would like to sell as a long block heads are for sale in the fir sale section... I would like 4600 for the short block plus heads...
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H.C.I 285 ci. ported 2003 heads heads, Sullivan Intake, stage 3 cams..T-76 single turbo to come...
R.M.I cylinder head fabrication
408 986 8626
Posts: 516 | From: SAN JOSE | Registered: Jan 2003
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SEMPERFI510
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Member # 627
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posted
just build it up and boost it or send some juice to it. There are many 2v's in the ten's. 500+ is not hard to get on a 2v either. It's easier with a cobra but a built 2valve with a some boost can make 5-600hp easy. Modular depot has many guys in that area. Many go with VT engines. I would only trust them for crate engines and HCI like others said.
Posts: 1766 | From: San Francisco, CA | Registered: Dec 2001
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2005GTskip
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Member # 4885
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posted
so $4600 with heads.. ![[Confused]](confused.gif) how much with out them and whats the comp..?thanks..
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2005 Gt
Posts: 294 | From: Discovery bay,California | Registered: Sep 2004
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-NORCALCOBRA-
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Member # 2383
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posted
Skip Give me a call 408 569 1969 I can make a good deal on the short block alone...
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H.C.I 285 ci. ported 2003 heads heads, Sullivan Intake, stage 3 cams..T-76 single turbo to come...
R.M.I cylinder head fabrication
408 986 8626
Posts: 516 | From: SAN JOSE | Registered: Jan 2003
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93PONY
Mr. Valve Events
Member # 60
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posted
Mark,
Sell the car.
With a buddy like me building these things for a living, you'd be a fool to NOT have me build your motor.
Attention to detail is everything.
[ March 10, 2005, 10:44 PM: Message edited by: 93PONY ]
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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bunchmyfunky
CAFords Drag Racing Mod
Member # 360
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posted
quote:
Originally posted by 93PONY:
Mark,
Sell the car.
With a buddy like me building these things for a living, you'd be a fool to NOT have me build your motor.
Attention to detail is everything.
Which is it sell it or have you build it? I'll be calling you.
Posts: 2433 | From: Vacaville | Registered: Jul 2001
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-NORCALCOBRA-
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Member # 2383
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posted
Have Shaun build you a 4v setup ![[patriot]](graemlins/patriot.gif) Or even a high comp 2v would be nice F WIW our J.S.R test car went 11.4 @ 118 with our first prototyped intake cant wait to see what it does with the 20 rwhp we gained over the first. That was on the older 96-98 B heads and a stock long block; valve cover has never been lifted. . If you do consider doing the 4v swap I recommend doing the C head setup it is worth 15-20 rwhp gain over the b headed set up. I am not a fan of the stroker motors myself I don’t see anyone breaking record’s with anything other than 4.6’s.. But I am sure the guys at H.C.I can take care of you..
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H.C.I 285 ci. ported 2003 heads heads, Sullivan Intake, stage 3 cams..T-76 single turbo to come...
R.M.I cylinder head fabrication
408 986 8626
Posts: 516 | From: SAN JOSE | Registered: Jan 2003
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93PONY
Mr. Valve Events
Member # 60
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posted
The simple truth is the $$$ that it'll take to get a GT up to snuff with an 03/04 Cobra would be just about enough to buy a used Cobra outright. Plus, the Cobra will retain it's value much better then a GT ever will.
It really comes down to what you want. Do you want an N/A GT that moves pretty damn good for what it's got, or do you want a factory boosted Cobra with all the creature comforts?
As for mail-order motors....
I know the cost of parts to build a stroker modular. With the price X2C & others sell their shortblocks the ONLY way they can make any money on the deal is to do 2 things. First is sell a LOT of motors. This means an assembly line type build....bust out as many as you can as fast as you can. Second is buy the cheapest parts you can get away with.
With that in mind, nobody is perfect....every shop will make a mistake from time to time. Obviously attention to detail goes a LONG way in catching any errors. What would you do if you found that during assembly your mail-order motor had an oil ring roll-over? Your motor would burn excessive amounts of oil. You'd have to first call up & convince them that they made a mistake......AFTER you had a qualified mechanic pull down the motor to find out exactly what went wrong (which is not free). You'd then be forced to either 1. ship your motor back to the builder, or 2. have a local shop fix the problem, pay the local shop, then fight to get some $$$ back from the original builder.
I've been working at HCI for a year now....in that time we've built about 25 motors. Out of those 25 motors, 5 car came in with hurt fully forged motors with very low miles from either other local shops, or mail order. All 5 had 'issues' during the build that were not caught. That's 20% of the motors we've built this last year. Those customers paid a much higher price in the end.
If you lived down the street from a company like X2C, CHP, DSS, etc, hell, why not buy one of thier motors. If someting goes wrong you can drive the car right into their shop & have it checked out.
Your best bet for quality is to go with a local shop that backs up their work & has a record that proves it. The higher up-front cost goes a LONG way if anything ever goes wrong.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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89point
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Member # 5412
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posted
what about chp for a 5.0 motor how are they thanks,nick
Posts: 308 | From: martinez | Registered: Mar 2005
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-NORCALCOBRA-
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Member # 2383
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posted
I have heard there pushrod stuff is good. I would not use probe pistons though, I have read about alot of piston failure with these however those mite have been built buy other shops not c.h.p...
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H.C.I 285 ci. ported 2003 heads heads, Sullivan Intake, stage 3 cams..T-76 single turbo to come...
R.M.I cylinder head fabrication
408 986 8626
Posts: 516 | From: SAN JOSE | Registered: Jan 2003
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eljefe
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Member # 1753
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posted
whilewere on the discussion of 4v stuff, what is a set of 03-04 cobra heads worth..i might have a line on some, i just dont know how much the guy wants or they are worth.
but mark..i'd say either get a 03-04 cobra, or do a 4v built swap. i dont care much for the 2v's after eric kept blowing spark plugs through the head of his s/c 2v setup in the roush
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1969 mustang coupe - the project
1996 mystic cobra - 13.64@105 - sold :(
2007 yaris - daily driver
Posts: 737 | From: holiday in rancho cambodia | Registered: Aug 2002
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-NORCALCOBRA-
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Member # 2383
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posted
You can find them anywhere from 500-1200+ they are hard to get they are probably the best head you can get for a 4.6 4v so not many people are selling them unless they are parting out used aviator motors. Be careful when selecting, some of the early heads had the tick not to familiar with the tick but from what I heard it is from insufficient cooling around the exhaust valves. I have two sets of 03 heads one set is ported which I mite be getting rid of, if I decide to go with the 00R/05 ford gt heads...
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H.C.I 285 ci. ported 2003 heads heads, Sullivan Intake, stage 3 cams..T-76 single turbo to come...
R.M.I cylinder head fabrication
408 986 8626
Posts: 516 | From: SAN JOSE | Registered: Jan 2003
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