351w fox efi and turbo build tips - Forums at Modded Mustangs
 
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post #1 of 10 Old October 2nd, 2008, 09:11 PM Thread Starter
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351w fox efi and turbo build tips

i have a 88 fox that used to be a 4 banger. i took a 85 E-350 van 351w and c6 and put in the stang for a senior project. its a fun car but it needs more.
i want to take the efi off a 351w truck upgrade injectors and add a twin turbo kit. the set up i planed on using is gt-40 heads with some work. i need a good cam idea. i go to wyotech so i have many friend who build motors and have conections to flow benches and many other tools.

the car is a cheap project if your wondering why i dont buy after market efi and head set ups.

any help or ideas would help.
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post #2 of 10 Old October 2nd, 2008, 09:16 PM
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a stock cam would work fine with turbo.. good lsa and small duration is what turbos really like for good vac.

e or f cam would be a cheap upgrade.

as far as efi goes, no idea i have a carb.

ever thought of going big single?

weeee foooord!

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post #3 of 10 Old October 2nd, 2008, 09:19 PM Thread Starter
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i thought of going carb but i dont know what style of carb to use ive heard blow through carb but how big
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post #4 of 10 Old October 2nd, 2008, 09:37 PM Thread Starter
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like this minus the aluminum heads and + stock efi
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post #5 of 10 Old October 3rd, 2008, 12:27 AM
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750 blow thur carb
Carburetor Solutions Unlimited is only blow thru carb I would use.

Ford F cam would work nice. Its a good turbo cam due
to higher lobe seperation.

Built my own twin turbo kit using flipped BBK shorties and cheap T3/T4's








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post #6 of 10 Old October 3rd, 2008, 06:27 AM
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hey r.barn, how much power you putting down? any 1/4 mile times?
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post #7 of 10 Old October 3rd, 2008, 09:17 PM Thread Starter
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thanks for the tips and the link any problems you ran into i should plan for r.barn?
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post #8 of 10 Old October 22nd, 2008, 01:24 AM
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r barn what was your bottom end in that build?

i want to do a similar build with my 78, but its a stock crank with hyper pistons. probably just a single turbo tho, im afraid my bottom end is my weakness tho, is it worth it to do a turbo build and run low boost? (8-9psi)
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post #9 of 10 Old October 22nd, 2008, 04:23 AM
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Originally Posted by 5.8mustang View Post


like this minus the aluminum heads and + stock efi
sexy

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post #10 of 10 Old October 22nd, 2008, 12:22 PM
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for a point of reference, a 351 with GT40 heads and mild hyd roller cam is going to make about 250 hp (see early lightnings).

Add to that 8-10 PSI from a turbo and you would be lucky to have 400 hp, although you might have 500+ ft lbs of torque.

I would think there are easier ways to achieve those kind of goals more cheaply. If you aren't interested in cheap, then spring for a real set of heads, like the CNC trick flows or AFR 225s.

88 GT CHI headed 351w 10.8 @ 125 - still figuring it out.
03 Cobra 2.3 whipple 10.7 @ 129 - sold it
04 Mach 1 12.7 @ 109 mostly stock - sold it
89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it

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