big block in a fox

54deuce · Oct 29, 2009

faststang90 said:
no u dont have to go to manual brakes

I thought the booster would be too close to the valve cover.

faststang90 · Oct 29, 2009

if u want power brakes u are going to need k member spacers

View attachment 241192

54deuce · Oct 30, 2009

Thanks for the picture I havent seen a 460 fox in a very long time. I was going to do this to my 87 GT but I went with a stroked 351 for the trans options and weight. The car is geared towards handling. One day I would love to do this swap.

57fairlane · Oct 31, 2009

Dark Knight said:
Because for the same $$ it takes to build a 466 SBF, you'd have a 557" BB..
Weight isn't that big of a deal, 260LBS more.. less with aluminum heads. BTW, the stock 4290/460 block is good to around 800 HP

I've seen a few pushed quite further than that, especially with a 4-bolt main conversion.

Not to mention the motorsport blocks . . .

NIKwoaC · Oct 31, 2009

I think BBF in Foxes are cool, but plan on spending WAY more money than what you would a Windsor, and with MUCH less options on combos, too.

Dark Knight · Nov 1, 2009

NikwoaC said:
I think BBF in Foxes are cool, but plan on spending WAY more money than what you would a Windsor, and with MUCH less options on combos, too.

Less options in what way? It all depends on your goals too. A 700HP BB is going to be cheaper than a 700HP SB. If you're looking for450HP, then the SB is the way to go.

Dark Knight · Nov 1, 2009

57fairlane said:
I've seen a few pushed quite further than that, especially with a 4-bolt main conversion.

Not to mention the motorsport blocks . . .

Yeah, I know of a certain promod that ran into the 6's with a stock block with the conversion. I have the engine systems main caps, They're BEEFY!
Them compared to a the stock 460 front cap..

7upstang91 · Nov 1, 2009

Well he wants around 500 motor, 700 on the bottle.
He could do both but the BB would be cooler.

rpk · Nov 3, 2009

love the big block.D&D automotive sells a complete kit for the swap. Any 4cyl or 5.0 k member works.The Mustang Depot has all the rebuild components for a decent price. I think the power brake booster is fine in your car.I believe the maximum dia. booster that fits is 7 or 8 inches,smaller the better. With aluminum heads and intake your at the same weight as a stock 351w. Had a 429 in a '78 Fairmont I once had,even kept the stock flat hood. Used stock height 302 with air coil springs.Killer low end torque. Couldn't keep tires long enough. Great swap,lots of fun. Had almost 480 hp and almost a dead stock idle,not tempermental, no exotic stuff,no over heating, just start it up and drive. Grandma could drive it for groceries,stop for gas and drive it back home.

banks · Nov 12, 2009

well.. we're going to see how the BB does.. started tearing it down this week. and going to send it off to the machine shop to have everything checked over.

like 7upstang said planning for 500-600 on motor and then i'll decide how much to spray on top of that.

srtthis · Nov 13, 2009

banks said:
well.. we're going to see how the BB does.. started tearing it down this week. and going to send it off to the machine shop to have everything checked over.

like 7upstang said planning for 500-600 on motor and then i'll decide how much to spray on top of that.

whats up mang...

banks · Nov 16, 2009

srtthis said:
whats up mang...

hey buddy.. nice to see you.

please tell me you have the answers to all my problems.. i'm thinking about going turbo now. check my thread in the gen chat on LR

banks · Nov 16, 2009

srtthis said:
whats up mang...

what block does bob have in his car?

srtthis · Nov 16, 2009

haha turbo is the way to go man!!! if i still had my L id turbo it...

banks · Nov 16, 2009

srtthis said:
haha turbo is the way to go man!!! if i still had my L id turbo it...

i'm trying to figure out if the block i have will handle the power from a turbo. i'd definitely wanna turn the boost up eventually and make some serious power with it.

beaststang · Nov 16, 2009

429/460's are the way to go if you want some serious power. I've built plenty of them. Check my link below.

banks · Nov 16, 2009

beaststang said:
429/460's are the way to go if you want some serious power. I've built plenty of them. Check my link below.

how much power can they handle with forged internals (hbeam rods)

beaststang · Nov 16, 2009

I've built a naturally aspired 460 truck block with std size 460 forged pistons,std size 460 forged rods, and standard size 460 forged crank with main girdle that put out 720 hp on a engine dyno. If you want to throw boost at it and make more power than this I would recommend a Ford Racing Block.

banks · Nov 16, 2009

beaststang said:
I've built a naturally aspired 460 truck block with std size 460 forged pistons,std size 460 forged rods, and standard size 460 forged crank with main girdle that put out 720 hp on a engine dyno. If you want to throw boost at it and make more power than this I would recommend a Ford Racing Block.

this is what i'm trying to figure out cause i might put a turbo on it. if not a turbo then it is definitely going to see some spray

57fairlane · Nov 16, 2009

7upstang91 said:
Well he wants around 500 motor, 700 on the bottle.
He could do both but the BB would be cooler.

I am building a similar motor right now . . .

466
waiting on my probe pistons to show up! its been almost two months
Eagle SIR i-beams
pp balancer (got the rods/balancer for $150, don't ask )
D3 heads that I ported and put the 351c 4v valves in (2.19/1.74)
241/249 voodoo cam
torker II
850 race demon

I hope this thing makes 450 or so rwhp (th400) and I will be spraying 200-250. Or whatever it takes to get in the 5s 1/8

Personally for a dirt cheap build I would do a BBC/th400 with a motor plate but I got the rods and balancer for a song and picked up the '73 long block from a friend of mine for $80. Besides a ford in a ford sounds better.

I split my sbf block with a turbo awhile back and was never happy with the carb I converted to blow-thru. I also had a steep learning curve with the BRPV and felt that I could have been racing a LONG time ago had I done a nitrous combo.

big block in a fox

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the guy doing it does every local racers rear end

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