4.7 stroker: adjustable fuel regulator yes or no

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TheGerman
Posts: 4
Joined: February 2nd, 2017, 6:56 am

4.7 stroker: adjustable fuel regulator yes or no

Post by TheGerman »

hi!

want to build a 4.7 stroker.
i will get all the parts from russ.
is it necessary to use a adjustable full regulator?

greetings from germany
Matze
98 XJ, 2"Ome, Lpg
92 YJ, AW4, NP242, Re4", 30Spline YukonZipLockers, 4.56, 35"Pitbull Rockers and some more...
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Cheromaniac
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Posts: 3180
Joined: March 8th, 2008, 12:58 pm
Stroker Displacement: 4563cc
Vehicle Year: 1992
Vehicle Make: Jeep
Vehicle Model: Cherokee
Location: Cyprus
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Re: 4.7 stroker: adjustable fuel regulator yes or no

Post by Cheromaniac »

Not necessarily.
It depends on the specs of the stroker you want to build, the existing fuel system pressure, injector size selected, the type of ECU you'll be using, and whether it can be retuned.
1992 XJ 4.6 I6 - 5MT - Stroker build-up, Stroker "recipes" Sold
1995 Mustang GT - 4AT - Modded Sold
2006 Mustang GT - 5MT - Modded Midlife Crisis Car :mrgreen:
TheGerman
Posts: 4
Joined: February 2nd, 2017, 6:56 am

Re: 4.7 stroker: adjustable fuel regulator yes or no

Post by TheGerman »

stroker setup:

ported head from russ
ported 99+ intake from russ
62mm throttle valve
pacetter header
30lbs injectors
racetec pistons 3.935 with new rods
camshaft 68-232-4
rollmaster timing set
harland sharp roller rockers
scat 4.2 crank
melling high volume oil pump

i want to use the stock 92 ecu.
i got a wideband lambda with gauge meter to check the engine all the time
fuel pressure with the stock regulator must be 40psi i think
98 XJ, 2"Ome, Lpg
92 YJ, AW4, NP242, Re4", 30Spline YukonZipLockers, 4.56, 35"Pitbull Rockers and some more...
User avatar
Cheromaniac
I live here
I live here
Posts: 3180
Joined: March 8th, 2008, 12:58 pm
Stroker Displacement: 4563cc
Vehicle Year: 1992
Vehicle Make: Jeep
Vehicle Model: Cherokee
Location: Cyprus
Contact:

Re: 4.7 stroker: adjustable fuel regulator yes or no

Post by Cheromaniac »

Nice parts list.
You should be OK with the existing stock '92 ECU and 39psi fuel pressure regulator, but the 30lb injectors you've chosen are way too big. The Accel ACC-150624 24lb injectors are what you need.
1992 XJ 4.6 I6 - 5MT - Stroker build-up, Stroker "recipes" Sold
1995 Mustang GT - 4AT - Modded Sold
2006 Mustang GT - 5MT - Modded Midlife Crisis Car :mrgreen:
TheGerman
Posts: 4
Joined: February 2nd, 2017, 6:56 am

Re: 4.7 stroker: adjustable fuel regulator yes or no

Post by TheGerman »

you're right with the injectors.
russ chose the 24lb for my setup
don't know why i came up to the 30lb....

greetings
Matze
98 XJ, 2"Ome, Lpg
92 YJ, AW4, NP242, Re4", 30Spline YukonZipLockers, 4.56, 35"Pitbull Rockers and some more...
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