01 cobra build thread. (One step closer)

[Badaz01]

Yea we cut off the first pull about 800 rpm’s early on my first

Nice setup you are building, I have an 01 Cobra with a D1 also. Just as others mentioned I too would forgo the port job unless you plan to make big power down the road. 525 with the D1 is going to be really easy. If you send the heads in I would go ahead and do the spark plug threads, oversize valves and upgraded springs.

pull and made 505whp. Only problem was one I was on a stock bottom end and we started to lean out on the fuel. I have a DW340 pump in tank and he suggested I put in a voltage booster with my fuel pump. Will the booster along with my #60 injectors help the lean condition?

 

[DSG2003Mach1]

If you were pushing the injectors bigger ones may help. Increased pump voltage and removing the pprv (the one way check valve) if it has one can help too

 

[Badaz01]

Gonna go in tomorrow and upgrade my entire fuel system minus the injectors. I already have Siemens Dekka #60 injectors. Looking at a Glenn’s performance set up. In tank dual pumps with the baffled 03 cobra tank return lines the works. I have been reading a lot on the forums about e85 and it sounds like a solid spring/summer/early fall option. Would keep my 93 tune for winter storage. Anyone have any thought or experience with the whole e85 thing??

 

[Badaz01]

were they adjacent cylinders? I mean thats a pretty low number but a HG on adjacent cylinders can make em both show low. You can also try a little oil in the cylinder to see if it comes up (piston/ring damage)

Cylinder 1 and 3 failed with number two in between.

 

[01yellercobra]

Check out the distillery forum. Lots of people are running E85. You're going to want at least 80lb injectors if you're going to run E85.

 

[Badaz01]

Well folks it looks like I may be nearing the end of my dream car build. I just got the nod from the boss to go ahead with the T56 swap while the motor is out. I figure this way I can avoid paying double labor to have the trans pulled later on to eventually do the swap. I don’t know I kinda feel this sort of depression but at the same time relief getting to my goals. Seems like the journey getting here has been more fun than anything oh well. Anyway anyone have experience with the T56 I’ve read in other forums the magnum is the one to go with due to the 5th and 6th gear ratio being identical to the 13/14 Gt500.

 

[01yellercobra]

The gear ratios depend on which transmission you choose. There's a wide ratio and narrow ratio. I think the narrow has the same gears as the 03/04 Cobra. Which I think worked well in my 01. I would have liked the .5 6th gear to drop the RPM a little on the freeway and get me out of the annoying part of the BOV. But if I had held onto that car I would have gone from the 3.90's to 3.55's anyway.

 

[Badaz01]

The gear ratios depend on which transmission you choose. There's a wide ratio and narrow ratio. I think the narrow has the same gears as the 03/04 Cobra. Which I think worked well in my 01. I would have liked the .5 6th gear to drop the RPM a little on the freeway and get me out of the annoying part of the BOV. But if I had held onto that car I would have gone from the 3.90's to 3.55's anyway.

I have 410’s in now. I kinda considered the 355’s since 5th and 6th gear can’t be wot pulled. Is the swap as easy as just replacing the 3650 when we go to reassemble the motor to be put back in the car.

 

[01yellercobra]

I have 410’s in now. I kinda considered the 355’s since 5th and 6th gear can’t be wot pulled. Is the swap as easy as just replacing the 3650 when we go to reassemble the motor to be put back in the car.

You might like the .5 6th gear then. It also depends on how fast traffic is where you're at. Around here 75mph is the low speed on the freeway.

Pretty much. Once its in you'll need to wire up the reverse lock out and figure out the drive shaft. I ended up finding an 03/04 driveshaft and using a hybrid U-joint to adapt it to the 01 pinion flange. I think the 3650 output shaft is the same size as the T-56 so you might only need to shorten your current driveshaft.

 

[Badaz01]

Some of my parts are in and I noticed my pistons are flat topped. They are Manley brand. Are these good for my procharged set up being I have a 3 core intercooler with the D1 blower? And what compression ratio will this put me at with stock 01 cobra heads and cams?

 

[52merc]

Which part number are those? Cams have no effect on CR. What head gasket are you going to use? What will the finished block deck height be?

Assuming:
Bore = 90.2 mm (stock)
Stroke = 90.0 mm (stock)
Connecting rod length = 150.7 mm (stock)
Block Deck Height = 226.9 mm (0.005" milled from stock)
Piston compression height = 31 mm
Piston dish = 0 cc (flat top)
Head gasket bore = 92.0 mm
Compressed head gasket thickness = 0.914 mm
Combustion chamber volume = 52.1 cc (stock is 52.6 +/- 0.5 cc)

Compression Ratio = 10.67:1 maximum

 

[Badaz01]

Which part number are those?

Not sure there are only two on summitracing. I think it’s this one. MAN-594000C-8

 

[geoffmt]

Is fox lake still open to work on your heads? Should be called project snowball now. You will love the magnum!


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[Badaz01]

Is fox lake still open to work on your heads? Should be called project snowball now. You will love the magnum!
No I called and he said he was done and to go to modular head shop since they took all his business.

Sent from my iPhone using svtperformance.com

 

[Badaz01]

Is fox lake still open to work on your heads? Should be called project snowball now. You will love the magnum!
No he is closed and referred me to modular head shop.

Sent from my iPhone using svtperformance.com

 

[dan1982]

not to be an asshole... but what kinda conversation did u have with your tuner? Ive never PERSONALLY hurt a motor before. but goddam man... u mentioned above that the car went lean on fuel on one of the pulls.... im sorry to hear that the motor is hurt though.. DAMN.... sunofabitch. Then again...... i drive a stock coyote 14 stang and live in a condo... im taking NO chances... I just ordered a c8 though (which will remain stock). its easier to make payments than rebuild motors... super cool build though... and i can feel ure pain.

 

[robvas]

E85? Built motor? Only 12psi? Doesn't add up!

 

[dan1982]

E85? Built motor? Only 12psi? Doesn't add up!

the motor wasnt built yet..... ya gotta read the whole post! lol.

 

[Badaz01]

not to be an asshole... but what kinda conversation did u have with your tuner? Ive never PERSONALLY hurt a motor before. but goddam man... u mentioned above that the car went lean on fuel on one of the pulls.... im sorry to hear that the motor is hurt though.. DAMN.... sunofabitch. Then again...... i drive a stock coyote 14 stang and live in a condo... im taking NO chances... I just ordered a c8 though (which will remain stock). its easier to make payments than rebuild motors... super cool build though... and i can feel ure pain.

Yea it started to go lean

not to be an asshole... but what kinda conversation did u have with your tuner? Ive never PERSONALLY hurt a motor before. but goddam man... u mentioned above that the car went lean on fuel on one of the pulls.... im sorry to hear that the motor is hurt though.. DAMN.... sunofabitch. Then again...... i drive a stock coyote 14 stang and live in a condo... im taking NO chances... I just ordered a c8 though (which will remain stock). its easier to make payments than rebuild motors... super cool build though... and i can feel ure pain.

it started to get lean and he cut the pull before it had any chance to detonate. Just ordered a return fuel system from LMR. I bet the C8 will be badass kinda wish I would’ve went that route by now I could’ve paid for about 2/3’s of it. lol

 

[Badaz01]

E85? Built motor? Only 12psi? Doesn't add up!

No those are all goals I’m in the process of accomplishing. The motor was bone stock with powder pressed internals when what I believe is the ringlands gave up the ghost on 1 and 3 cylinders. But we won’t know for sure until motor is tore down. Probably a head gasket or something dumb. The car still ran like a scalded dog even with half the normal compression in two cylinders lol.