shaving heads

dadslx · January 26th, 2008, 10:23 PM

stupid question but right now im running a c/r of 9:1 i want to achieve 11:1 if i shave my trick flow heads can i achieve that?

Drick · January 26th, 2008, 10:24 PM

Dont think so. Need different pistons

jam77 · January 26th, 2008, 11:13 PM

you cant pick up that much by milling the heads

1slo5.0 · January 26th, 2008, 11:34 PM

Originally Posted by dadslx

stupid question but right now im running a c/r of 9:1 i want to achieve 11:1 if i shave my trick flow heads can i achieve that?

I think a standard Twisted Wedge head can be milled to 48cc safely but you would have to contact Trick Flow to be sure. At 49cc with a stock short block and a .040 x 4.100 head gasket you are looking at about 10.99:1 compression. Its not going to gain you much over the 9.3:1 the 61cc chambers will give you. There are people making big horsepower with stock compression. I'd be looking at other areas to gain more horsepower before I'd mill the heads that much.

Iownastang · January 27th, 2008, 12:11 AM

this sounds like a good time to think about a turbo.

ryans88gt · January 27th, 2008, 01:18 AM

Originally Posted by Darrell

I think a standard Twisted Wedge head can be milled to 48cc safely but you would have to contact Trick Flow to be sure. At 49cc with a stock short block and a .040 x 4.100 head gasket you are looking at about 10.99:1 compression. Its not going to gain you much over the 9.3:1 the 61cc chambers will give you. There are people making big horsepower with stock compression. I'd be looking at other areas to gain more horsepower before I'd mill the heads that much.

That's angle milling right? I would imagine that would make one side of the deck sealing surface very thin and cause all sorts of other issues like requiring milling of the intake and poor distributor gear mesh.

1slo5.0 · January 27th, 2008, 10:20 AM

Originally Posted by ryans88gt

That's angle milling right? I would imagine that would make one side of the deck sealing surface very thin and cause all sorts of other issues like requiring milling of the intake and poor distributor gear mesh.

I am assuming that he has Twisted Wedge heads and I'm also going to assume that is flat milling because you can more volume per amount milled. I could be wrong but this is Trick Flow's specs angle mill .008" per cc; Flat mill .006" per cc. I've never milled a Trick Flow head down to 48ccs but everytime I've ordered a ported head they've asked me what size combustion chamber I wanted and 48cc was always the smallest for Twisted Wedge and R-series heads.

jam77 · January 27th, 2008, 11:39 AM

just add a s/c or turbo or maybe n2o and be done

dadslx · January 27th, 2008, 01:31 PM

Well i should probably tell you the rest of my combo. im running a 347 stroker forged bottom end, tfs t/w heads ported, systemax intake. i built the motor with a supercharger in mind but that would pretty much kill the block. if i did decide to brave it and run a power adder i most likely would go turbo for the unique build...just for shit and giggles has anybody ever ran a kenne bell 2.2 supercharger with a twin turbo setup?..i was laying in bed last night thinking that a 5.4 with a twin charger would be pretty kick ass...and would a supercharger off a thunderbird super coupe mount up to a 5.0 block??..found one for 150 that ported off my friends blown engine.

ryans88gt · January 27th, 2008, 01:47 PM

Originally Posted by dadslx

Well i should probably tell you the rest of my combo. im running a 347 stroker forged bottom end, tfs t/w heads ported, systemax intake. i built the motor with a supercharger in mind but that would pretty much kill the block. if i did decide to brave it and run a power adder i most likely would go turbo for the unique build...just for shit and giggles has anybody ever ran a kenne bell 2.2 supercharger with a twin turbo setup?..i was laying in bed last night thinking that a 5.4 with a twin charger would be pretty kick ass...and would a supercharger off a thunderbird super coupe mount up to a 5.0 block??..found one for 150 that ported off my friends blown engine.

I saw an article in MM&FF with the twin turbo cobra motor with the eaton still on there. Made 44 PSI and 1100 HP.

Iwannagofast · January 27th, 2008, 01:55 PM

Originally Posted by ryans88gt

I saw an article in MM&FF with the twin turbo cobra motor with the eaton still on there. Made 44 PSI and 1100 HP.

yeah i seen that......they said it would have actually made more peak horsepower if the sc would have been replaced with a cobra intake.....but they said with the sc it made a really great torque curve

dadslx · January 27th, 2008, 02:43 PM

thats just nasty..wonder how a boss block would hold up to a setup like that..cause i may just doing that here with next years taxes (2009) but it would be a 347 stroked twin charger

Iwannagofast · January 27th, 2008, 02:46 PM

well i think the boss block is rated at 1200 horsepower right?......if you were really lookin into something that extreme you might as well go ahead with a dart or world block

baine21225 · January 27th, 2008, 02:54 PM

i did't know they were rated that high

Iwannagofast · January 27th, 2008, 02:55 PM

i might be wrong

1slo5.0 · January 27th, 2008, 03:27 PM

Originally Posted by dadslx

Well i should probably tell you the rest of my combo. im running a 347 stroker forged bottom end, tfs t/w heads ported, systemax intake. i built the motor with a supercharger in mind but that would pretty much kill the block. if i did decide to brave it and run a power adder i most likely would go turbo for the unique build...just for shit and giggles has anybody ever ran a kenne bell 2.2 supercharger with a twin turbo setup?..i was laying in bed last night thinking that a 5.4 with a twin charger would be pretty kick ass...and would a supercharger off a thunderbird super coupe mount up to a 5.0 block??..found one for 150 that ported off my friends blown engine.

Well that changes everything. Are the pistons flat tops or dished pistons? With flat top pistons, 61cc chambers, 0 deck, and a .040 x 4.100 head gasket you are looking at about 10.75:1.

January 26th, 2008, 10:23 PM	#1
dadslx Regular Join Date: Aug 2007 Posts: 74 iTrader: 0 reviews	shaving heads stupid question but right now im running a c/r of 9:1 i want to achieve 11:1 if i shave my trick flow heads can i achieve that?

January 26th, 2008, 10:24 PM	#2
Drick Big timin' in a small town 2004 FX4 F150, 86 GT Join Date: Apr 2007 Location: Gods country. Nordern Michigan eh Posts: 14,365 iTrader: 1 reviews	Dont think so. Need different pistons __________________ FX4 Crew Crew member #1 Don't take anything I say to heart, I don't try to come off as an asshole. It just happens

January 26th, 2008, 11:13 PM	#3
jam77 Enthusiast 1987 Mustang GT Join Date: Apr 2007 Location: IL Posts: 685 iTrader: 0 reviews	you cant pick up that much by milling the heads __________________ 87 GT, typhoon upper and lower,70mm tb, 90mm maf, bbk shorties, bbk x-pipe, flowmaster cat back, 3:73 gear, pro 5.0 shifter, novi blower,afm power pipe, load IO, Trick Flow heads, Anderson B-31 cam, Anderson PMS, 42 lb injectors, t-rex fuel pump.

January 27th, 2008, 11:39 AM	#8
jam77 Enthusiast 1987 Mustang GT Join Date: Apr 2007 Location: IL Posts: 685 iTrader: 0 reviews	just add a s/c or turbo or maybe n2o and be done __________________ 87 GT, typhoon upper and lower,70mm tb, 90mm maf, bbk shorties, bbk x-pipe, flowmaster cat back, 3:73 gear, pro 5.0 shifter, novi blower,afm power pipe, load IO, Trick Flow heads, Anderson B-31 cam, Anderson PMS, 42 lb injectors, t-rex fuel pump.

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January 27th, 2008, 01:31 PM	#9
dadslx Regular Join Date: Aug 2007 Posts: 74 iTrader: 0 reviews	Well i should probably tell you the rest of my combo. im running a 347 stroker forged bottom end, tfs t/w heads ported, systemax intake. i built the motor with a supercharger in mind but that would pretty much kill the block. if i did decide to brave it and run a power adder i most likely would go turbo for the unique build...just for shit and giggles has anybody ever ran a kenne bell 2.2 supercharger with a twin turbo setup?..i was laying in bed last night thinking that a 5.4 with a twin charger would be pretty kick ass...and would a supercharger off a thunderbird super coupe mount up to a 5.0 block??..found one for 150 that ported off my friends blown engine.

January 27th, 2008, 02:43 PM	#12
dadslx Regular Join Date: Aug 2007 Posts: 74 iTrader: 0 reviews	thats just nasty..wonder how a boss block would hold up to a setup like that..cause i may just doing that here with next years taxes (2009) but it would be a 347 stroked twin charger

January 27th, 2008, 02:46 PM	#13
Iwannagofast Hardcore Enthusiast 1990 Mustang GT havent gone since gears Join Date: Feb 2007 Location: Arkansas Posts: 2,929 iTrader: 0 reviews	well i think the boss block is rated at 1200 horsepower right?......if you were really lookin into something that extreme you might as well go ahead with a dart or world block

January 27th, 2008, 02:54 PM	#14
baine21225 MM Fanatic Join Date: Jun 2007 Location: Baltimore, MD Posts: 4,338 iTrader: 1 reviews	i did't know they were rated that high

January 27th, 2008, 02:55 PM	#15
Iwannagofast Hardcore Enthusiast 1990 Mustang GT havent gone since gears Join Date: Feb 2007 Location: Arkansas Posts: 2,929 iTrader: 0 reviews	i might be wrong

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