SCCA CAM-C Thread

[NightmareMoon]

My two cents on the exhaust, the stock GT350 exhaust is the best sounding exhaust you can ask for on that motor. Everything else I've ever heard, including the setup you are considering, is obnoxious to the point it hurts ears. And I've not sound metered one, but I suspect you are going to be blowing sound with that set up.

The difference between my exhaust and the factory exhaust are:

stock mufflers vs corsa touring (corsa are quiet, like stock). Ii think this will be a wash, the corsa touring is the quietest aftermarket muffler I know of.

Aftermarket X vs Ford X which has a pair of bullet style mufflers behind the X. If I have to go in and have some Dynomax race bullets installed later to tame it some thats pretty easy. My understanding is those dont do a whole lot so I’m leaving them for last

Transmission cooler - I’ll do one if I need to., but probably after we get it running. There are aftermarket hex grill inserts for the 15-17 GT fog light area which open it up but retain the marker light.

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[WItoTX]

The difference between my exhaust and the factory exhaust are:

stock mufflers vs corsa touring (corsa are quiet, like stock). Ii think this will be a wash, the corsa touring is the quietest aftermarket muffler I know of.

Aftermarket X vs Ford X which has a pair of bullet style mufflers behind the X. If I have to go in and have some Dynomax race bullets installed later to tame it some thats pretty easy. My understanding is those dont do a whole lot so I’m leaving them for last

Transmission cooler - I’ll do one if I need to., but probably after we get it running. There are aftermarket hex grill inserts for the 15-17 GT fog light area which open it up but retain the marker light.

Ahh, the Touring mufflers. My bad, I just assumed you were going to the only Corsa package for the VooDoo, which I think is the extreme. I've only heard the Extremes, and it's painful. Since you are keeping the 5.0 mufflers, I'm looking forward to the sound. FWIW on my stock exhaust, I have no problems being one or two dB from the limit at Beeville. So there isn't much wiggle room.

You probably already know this, but the non-R and R exhaust only difference is the resonators vs non-resonators. IMO, the resonator delete is a good sound even on stock exhaust, which doesn't add much volume. I'll be interested in how it sounds with the touring mufflers.

 

[NightmareMoon]

Update on the Crowley 350 build. All the parts are here. Dropping them off with the shop this weekend. Its been a bit of a wait and a decent research project so far.

Oil pump gears, driveshaft needed to complete the drivetrain, 350R cam phasers, FP timing chain tensioners and Li Tuning guides, MGW shifter, GT500 airbox w/ lid for the GT350 intake (thanks @LevittownFordParts for offering a kit), GT350 motor mounts, and a couple other odds and ends.

Even though the car is still a pile of parts at this stage, I feel good about the conversion plan now, thanks to Levittown for being the best ford parts place, @HextallS550 for answering questions out of the blue, Beefcake Racing, @Wengerd Performance has been great so far with my questions, @honeybadger for breaking all the things so we don't have to, and everybody on this forum who's given advice and on TMO forums too.

Archetype racing can go eat rocks, since they haven't shipped any parts and don't respond to emails.

Going to do a Setrab 660, but I'm ditching the 350's oil filter adapter so I can run AN12 lines on a sandwich plate on my GT's oil filter adapter. That's more for the occasional track day versus autocross, but its a plan. Setrab 660 weighs in at ~10lbs dry mass on the nose, not including hoses, oil, and lines.

Current plan is to get the car running with the GT's harnesses (repined for the changed firing order). Thanks to Wengerd and many thread responses here, I think I understand enough to have some confidence this route can work. If it doesn't, we have a fallback of putting the 350's harnesses in the car.

So the GT350 oil temp / pressure center gauges are plug n play in a GT, (but you lose the MyColor if you had it). None of the GT350s had mycolor.

There's nothin in the GT350's fuel system which should cause it to fuel starve less than a GT except maybe the dual pumps in the drivers side tank hat end up sucking a bit more through the venturi siphon to the passenger side of the tank. The GT has a fuel pump and a fuel filter in the hat in the tank. The 350 has a second pump in that spot in the hat and a fuel filter under the car. The 350 (and 18+ cars) have a fuel pressure sensor on the rail and the GT just estimates fuel pressure. In theory the single fuel pump in the GT should be good enough for the 350's power, just a little less accurate in fuel delivery because the fuel pressure sensor is absent.

 

[shogun32]

GT500 airbox w/ lid for the GT350 intake (thanks @LevittownFordParts for offering a kit)

hmm, for Mach1 people too?
https://www.levittownfordparts.com/sku/gt500airboxlidkit.html

 

[TeeLew]

Which version of the MGW did you get?

 

[LevittownFordParts]

hmm, for Mach1 people too?
https://www.levittownfordparts.com/sku/gt500airboxlidkit.html

Yes applicable to Mach 1's as well

- Benny

 

[NightmareMoon]

Which version of the MGW did you get?

its uh the (looks it up) ... MGW Gen 2 for the 3160 (GT350/Mach1), the newer one. Its bluuee.

 

[TeeLew]

its uh the (looks it up) ... MGW Gen 2 for the 3160 (GT350/Mach1), the newer one. Its bluuee.

Gotcha, I forgot you were on a different box. I went with the long handle on the 'X' version. It's about as short as I'd ever want. I think I actually would have been a little happier with it a little longer......the story of my life.

 

[NightmareMoon]

Gotcha, I forgot you were on a different box. I went with the long handle on the 'X' version. It's about as short as I'd ever want. I think I actually would have been a little happier with it a little longer......the story of my life.

Easy - get a longer shift knob!

 

[TeeLew]

My next upgrade.

 

[mavisky]

Well the titanium skid plates from Speed Italia and bumper repair mounts from LMR worked great and kept the splitter and bumper in one piece this weekend.

Made some big changes to the swaybars and the DSC suspension tuner and ended up with the front end too stiff in corners and was fighting excess understeer the entire event. Have another event this weekend and hoping that by going down a notch in the front bar we can get it to move right until we can get the spring rates corrected.

 

[kz]

Made some big changes to the swaybars and the DSC suspension tuner and ended up with the front end too stiff in corners and was fighting excess understeer the entire event. Have another event this weekend and hoping that by going down a notch in the front bar we can get it to move right until we can get the spring rates corrected.

What spring rates are you on ?

 

[mavisky]

What spring rates are you on ?

Just the steeda Dual Rates for Magneride cars. It's not a mile off on the high end of the spring, but the first rate is about as soft as stock R springs I think. Wanting to get it up to the 500-550 range.

 

[TeeLew]

Unfortunately, I think they were trying to get a little too tricky. Usually with a dual rate, the 'soft' portion is only there to take up droop travel. It normally engages the stiffest portion of the spring at static load. I think Steeda tried to give it X amount of travel (say 1/2" -ish) of the 'soft' rate and then have it engage the stiffer rate as it gets deeper into the travel. I'm a fan of linear rates in most scenarios. I can see advantages to duals or progressives, but those gains are quite far out on the branch.

 

[mavisky]

Unfortunately, I think they were trying to get a little too tricky. Usually with a dual rate, the 'soft' portion is only there to take up droop travel. It normally engages the stiffest portion of the spring at static load. I think Steeda tried to give it X amount of travel (say 1/2" -ish) of the 'soft' rate and then have it engage the stiffer rate as it gets deeper into the travel. I'm a fan of linear rates in most scenarios. I can see advantages to duals or progressives, but those gains are quite far out on the branch.

After using them I 100% agree. These were a notable step up from the Ford Racing springs I was on before so there is merit to the solution but about a month after I put them on the car AJ Hartman dropped his 2.5" coil spring conversion for magneride cars and I would have absolutely bought those if they were out. Tried to make these work, but their compliance is part of the problem.

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