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302 build#2 Is 350kw achievable? 

 

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 Post subject: 302 build#2 Is 350kw achievable?
Posted: Thu Jan 23, 2020 1:03 pm 
Stock as a Rock
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Joined: 10th Jan 2014

Ride: BFII Super Pursuit

Location: Adelaide
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Hey fordmodders!

I'm back in the blue oval again!

302 legends please help, my previous 302 was a budget build centered around 1.6YT rockers, GT40P heads and a mild cam. I sold that complete motor *insert small back story here* and was told it went hard in an EF Fairmont.

My next project isnt budget focused and I'm aiming much higher this time.

Assuming tuning, etc. to suit,

Is, 350fwkw N/A achievable with alloy heads, intake and cam that keeps the revs below 6500 rpm?
Non-stroked
Standard Block

Heads I'm considering are
AFR185/Kaase P38 head (if still avail)
Trickflow/RPM2 Intake
And a cam that pulls from say (3000/3500 - 6200) :mrgreen:
Long Ceramic Extractors, 4>2>1 and twin 2.5 crossed then ending twin 2.25

I'm worried those heads are too big and need 7000+rpm to get there hence people going AFR165/TW and making (say...) 270fwkw
I was hoping to keep block standard but would be open to forged internals (as long as it remains 5L).
I don't want to use a Dart block. If I did, I'd make a high revver and the post is pointless haha.

Is this a "have my cake and eat it too" scenario?
What setup are people running for this power N/A within a 6000-6500 max rpm and ensuring it's not a slug below.

*driveline aside*

 

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 Post subject: Re: 302 build#2 Is 350kw achievable?
Posted: Wed Jan 29, 2020 11:39 am 
Stock as a Rock
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Joined: 10th Jan 2014

Ride: BFII Super Pursuit

Location: Adelaide
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Just for an update,

I have been checking out the Mustang Forums for some extra information on 302 builds.
Why are they so obsessed with carburettors in the US? :?

It looks to be quite difficult making that HP at <6000rpm. Most are suggesting adding a stroker.
Same power levels but achieved lower in the rev range.

I looked at most builds and anything with high HP wants revs, making it far less streetable. Similar to the BOSS 302.

Just a quick topic bump, can anyone chime in here?
and has anyone used the Kaase P38 head combo?

 

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 Post subject: Re: 302 build#2 Is 350kw achievable?
Posted: Sun Apr 19, 2020 3:57 am 
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Ride: T1 TE50 P01

Location: Perth NoR
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You won't make your power goals from a 5.0L under 6500 if you stay N/A. You'll get close with the following:

AFR 195 heads 58cc chamber
347 bottom end, flat top pistons 10.8-11:1 comp
Ported Victor 5.0, TFS Box R or T3 intake
80mm TB
90mm Lightning MAF
42lb injectors
Lunati Voodoo 20350712 hydraulic roller cam
1.72 rockers
1-3/4" 4-1 headers twin 2.5" system

 

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 Post subject: Re: 302 build#2 Is 350kw achievable?
Posted: Sun Jul 05, 2020 10:42 am 
Stock as a Rock
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Joined: 10th Jan 2014

Ride: BFII Super Pursuit

Location: Adelaide
SA, Australia

Thanks for your reply mate. :D

I've purchased a stroker engine from a T series (without an intake).
And have decided to retain the GT40P heads and fit a supercharger.

Quite different from the original plan but I feel I'll reach the result I've been chasing without such a large investment.

How does the T3 intake compare to the Victor and TFS?

 

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