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10-22-2009, 10:31 PM #1
Will I need to upgrade injectors with a cam swap?
I'm looking to do a cam swap in the spring with all the goodies.. It'll be a custom grind known as "the bull". 230/230 duration and I have most of the bolt-ons already along with a SS4000 stall already in the car.
Looking to make 390rwhp-400rwhp, with plenty under the curve. Not really sure, but that's about what i've been seeing people make.
I have a 2000 so I have 26lb. injectors correct? Anyone think I'll need to upgrade them?
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10-22-2009, 10:41 PM #2
You will more then likely have to upgrade. You will be very close to 100% duty cycle. Green Top Ford 42 lbers is what I and many others have gone with. You can find them for 210 USD on Ford racings website. Cheap.
370 CI - Twin 6766 Turbo - Jakes stage 5 4L80E - MWC 9" - Holley Dominator
Build in progress...
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10-22-2009, 11:36 PM #3
I've seen many cam swaps parts lists and no one ever mentions injectors, so I wasn't sure.
Thanks.
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10-23-2009, 08:40 AM #4
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10-23-2009, 09:00 AM #5
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Arctic White & Black- '98 WS6 M6 - SWAPTIME!
37lb injectors would be suffcient for that HP range ..... Racetronix makes a set and Texas Speed sells them for a reasonable price.
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10-23-2009, 09:08 AM #6
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10-23-2009, 09:50 AM #7
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Arctic White & Black- '98 WS6 M6 - SWAPTIME!
just options i guess.
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10-23-2009, 09:53 AM #8
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10-23-2009, 10:43 AM #9
That's always something that is a must. To be honest I always assumed the injectors didn't need to be changed for most cam only swaps. I didn't think about cam size for some retarded reason.
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10-23-2009, 11:05 AM #10
My tuner said a cammed ls1 would definitely need bigger injectors. I'm running at 96% duty cycle with just bolt ons.
1999 Trans Am M6
SLP Short Throw, Lid and CAI, Strano Springs, Koni Sport Shocks, BMR STB and SFC, UMI PHB, Pacesetter LT's and ORY, Magnaflow Catback, DMH 3" E-Cutout, LS7 Clutch, Motive 4.10, 160 T-Stat, MSD wires,, 17x9.5 Chrome C6's wrapped in Hankook 275/40/17
Tuned at Mongillo Motors in New Haven, CT - 303 RWHP and 308 RWTQ
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10-23-2009, 11:39 AM #11
As was I. With full bolt ons I was at 91%. Although, whoever tuned the car for those I think hacked it badly and it was running way rich. Either way, injectors were obviously needed.
Its one of those things that so commonly get over looked when someone wants to do a cam swap. There are alot of little extras that will nickle and dime you.
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10-23-2009, 11:44 AM #12
If I decide to run a 100 shot or something in the future the 42lb. should be sufficient. But who knows if i'll run dry or wet. I don't know much about it yet, so i will steer clear of n2o for now.
I'll be doing, i guess:
Injectors
Custom grind
Spring Kit with pushrods
LS2 Chain
Oil pump, not sure what yet
Gasket Kit
Probably LCAs and a pan-hard bar.
Still gotta pick tires
Haven't tallied up how much that will cost, but i'm not too worried about it.
EDIT:
I should mention I already have:
Rebuilt 4L60E / Trans-go HD2 / SS4000 / Aux. Cooler
SLP intake with stock ported T/B
LS6 Intake
SFCs
Removed the front sway bar, but I don't know if I like that.Last edited by allbaugh_04; 10-23-2009 at 02:35 PM.
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10-23-2009, 02:23 PM #13
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10-23-2009, 02:34 PM #14
No no, front sway bar...what was I thinking...
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10-23-2009, 02:35 PM #15
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10-27-2009, 09:43 AM #16
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silver- 99 ws6
injectors will it require a better pump?
? will bigger injectors require a better than stock fuel pump?
Thankscam-LTs-FAST78-Susp.-Rims
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10-27-2009, 12:00 PM #17
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10-29-2009, 09:39 PM #18
Muahahahahahaha, im onto you now tim....
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10-29-2009, 10:06 PM #19
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10-31-2009, 04:20 AM #20
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silver- 99 ws6
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