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Old 11-28-2015, 07:55 AM   #1
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Foxbody engine help

Hey guys im new to the site so Sorry if this is the second topic, i made my first one and it didnt load. I bought a 1990 mustang and it has a 306, im debating on keeping the 306 and getting a turbo or buying a 331 stroker crate engine. Im hoping for about 350 to the wheels if not more. I was thinking of doing a helion turbo kit or on3

non forged 306
gt40p heads
explorer intake
e303 cam
24lb injectors
75mm throttle body
matching mass air
Shorty headers
Off road x pipe
Flowmaster catback
1.7 roller rockers in the box

The 331 stroker crate engine

http://m.summitracing.com/search/pro...-crate-engines




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Old 11-28-2015, 06:51 PM   #2
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No gears? I would invest in 3:73 or 4:10 unless you forgot to add that to the list.


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Old 11-28-2015, 06:52 PM   #3
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It has 3.55 gears


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Old 11-28-2015, 07:16 PM   #4
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I was just worried that the car might not work well with the turbo because it doesnt have better parts in the engine on the bottom and top end


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Old 12-02-2015, 03:03 PM   #5
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What it really comes down to is budget as that short block is a hair short of 7k.


If you only want 350 to the wheels and willing to do a motor swap for a 331 then just pony up for a 351. The only thing holding you back is money.
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Old 12-02-2015, 03:41 PM   #6
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Couldnt find any 351 with forged internals anywhere for the price im willing to pay


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Old 12-04-2015, 08:15 AM   #7
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Reliable fox with a forged internal motor is going to be $15K+ including the cost of the car. If you aren't willing to pay that then sell it or just drive it as is.
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Old 12-04-2015, 11:30 AM   #8
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Señor Murdered, forged internals in a stock block will not make a lick of difference really. The factory 5.0 block will be the weak point wether you split the valley or the caps start to walk. The old pushrod 5.0 motors had decent internals.


A factory 351 will handle 600 hp all day if built correct.
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Old 12-04-2015, 01:39 PM   #9
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Quote:
Originally Posted by smurf stang View Post
Señor Murdered, forged internals in a stock block will not make a lick of difference really. The factory 5.0 block will be the weak point wether you split the valley or the caps start to walk. The old pushrod 5.0 motors had decent internals.


A factory 351 will handle 600 hp all day if built correct.
There is this too. A stock 302 and a forged 302 with a stock block will both blow up at the exact same power level. In the high 400/low 500 range somewhere usually but it does depend on a lot.

To CORRECTLY do a 302 you need an aftermarket block. A 351 is a lot beefier and you can get away with more in a stock block up to about 700 to the wheels give or take so this is the way to go in all but the most extreme apps both in performance and in cost.

Fully forged 351 (408) stroker longblock ready to go making an easy 500ftlbs on the mild side will run $8k from Fordstrokers. That is just what it costs. You don't actually save a ton of $$$ doing a DIY quite honestly.

I always tell ppl looking to do a bigger power buildup on an older Mustang that they are 90% of the time going to get into it for as much as it would cost them to just buy a 2011-2014 GT.
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Old 12-04-2015, 03:51 PM   #10
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Quote:
Originally Posted by scottydsntknow View Post
There is this too. A stock 302 and a forged 302 with a stock block will both blow up at the exact same power level. In the high 400/low 500 range somewhere usually but it does depend on a lot.

To CORRECTLY do a 302 you need an aftermarket block. A 351 is a lot beefier and you can get away with more in a stock block up to about 700 to the wheels give or take so this is the way to go in all but the most extreme apps both in performance and in cost.

Fully forged 351 (408) stroker longblock ready to go making an easy 500ftlbs on the mild side will run $8k from Fordstrokers. That is just what it costs. You don't actually save a ton of $$$ doing a DIY quite honestly.

I always tell ppl looking to do a bigger power buildup on an older Mustang that they are 90% of the time going to get into it for as much as it would cost them to just buy a 2011-2014 GT.
Oh okay i didnt know the 351 were that strong, i was thinking about just going to a 2013 5.0 but i wanted something more unique for a daily



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