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Head Advice: Noob Seeking Torque Monster

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Old Jan 23, 2015 | 02:46 PM
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Default Head Advice: Noob Seeking Torque Monster

I am looking to upgrade the top end now and really want to focus more on under the curve power as the car is a weekend warrior and spends most of its time around town, stoplight to stoplight, and shows. I really would like something that just plants you into the back of your seat, everyone knows that "someone sitting on your chest" feeling.

Keep in mind I would like to keep this on a budget, say under 2K. Here is what I was thinking...

AI 219cc (not HCR) 241 heads (milled .030)
FAST 92/92 setup (used)
Ford red top injectors

Would this set up go well with my 228r cam give me the results I am looking for or is there a better budget set up that would work better with my current cam.

Note: its a fun weekend/summer car that I am just looking to add some more low/midrange power. Not looking to squeeze every HP out of the car.


Thanks in advance guys!
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Old Jan 23, 2015 | 03:08 PM
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What gears you running?
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Old Jan 23, 2015 | 03:21 PM
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Originally Posted by HCI2000SS
What gears you running?
Stock 3.23 gears
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Old Jan 23, 2015 | 04:43 PM
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3600 stall and you want lowend torque for what? Stop fixating on torque keep the duration reasonable and consider 3.73s.

People fixate on lowend torque as a kneejerk reaction to the overly common tendency for others to get carried away with duration and use LSA to tame it, too much duration and too wide LSA both hurt torque.
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Old Jan 23, 2015 | 05:13 PM
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Originally Posted by 96capricemgr
3600 stall and you want lowend torque for what? Stop fixating on torque keep the duration reasonable and consider 3.73s.

People fixate on lowend torque as a kneejerk reaction to the overly common tendency for others to get carried away with duration and use LSA to tame it, too much duration and too wide LSA both hurt torque.
So because I have a 3600 stall and a 228r cam, I shouldn't be interested in wanting to increase in low to mid range power?? (2500-4000 RPM) The overall question to my post was, would the heads mentioned above in my original post work well with my current cam in achieving my goal? Also, would the fast 92 be worth it or should I keep my ls6 intake and use that money towards gears?

Last edited by Camarokid327; Jan 23, 2015 at 07:10 PM.
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Old Jan 23, 2015 | 05:18 PM
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The heads definitely though I would consider the high compression version. Not sure on the FAST
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Old Jan 23, 2015 | 05:24 PM
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HCR isn't needed with a small cam. You'll just run into knock issues with too much compression. The FAST helps everywhere.

Those two upgrades would probably add 25-30rwtq across the board and 40-50rwhp.
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Old Jan 24, 2015 | 11:39 AM
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Originally Posted by JakeFusion
HCR isn't needed with a small cam. You'll just run into knock issues with too much compression. The FAST helps everywhere.

Those two upgrades would probably add 25-30rwtq across the board and 40-50rwhp.
I like the sound of that! Lol. Another question, with milling them .030 would you suggest a stock MLS gasket or something thinner? With the compression bump would I still be able to run 93 octane without any issue?

Sorry for all the questions,this car is my first build and I'm still trying to digest and comprehend everything I've been reading haha
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Old Jan 24, 2015 | 12:01 PM
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.040 is worth it for the better quench. Helps with detonation even at a higher compression.
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Old Jan 24, 2015 | 12:08 PM
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If you did the HCR instead of milling .030" you could preserve PTV for later build.
Yeah it cost $200 more.......
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Old Jan 24, 2015 | 04:58 PM
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I would definitely do the heads. I would also just keep your LS6 manifold and use the money to purchase an under drive pulley and I would do the gear swap to some 3:73 gears. Would be a very fun car.
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Old Jan 24, 2015 | 07:42 PM
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^^ agree.

Heads are good. The fast intake won't register as highly on the "butt dyno " but the 3.73 gears will. Gearing a motor down feels torquey
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Old Jan 26, 2015 | 01:31 PM
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Originally Posted by JakeFusion
.040 is worth it for the better quench. Helps with detonation even at a higher compression.
Are you referring to .040 milling of the heads being better or using a .040 thick gasket or a stock MLS?
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Old Jan 26, 2015 | 01:56 PM
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Are you referring to .040 milling of the heads being better or using a .040 thick gasket or a stock MLS?
That's headgasket thickness, which is part of the quench calculation. Decking heads has nothing to do with quench.
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Old Jan 26, 2015 | 02:01 PM
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Your also leaving power on the table with those BBK headers, TSP or Speed Engineering 1 7/8's headers and ORY would probably be worth ~10-15hp on a heads cam car.
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Old Jan 26, 2015 | 09:25 PM
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Originally Posted by redtan
That's headgasket thickness, which is part of the quench calculation. Decking heads has nothing to do with quench.
Thanks for clarifying that.

Originally Posted by Fry_
Your also leaving power on the table with those BBK headers, TSP or Speed Engineering 1 7/8's headers and ORY would probably be worth ~10-15hp on a heads cam car.
I would like to some day but its not in my current budget.

Looks like I am going to pull the trigger on the 219cc AI heads (milled .030), .040 gaskets, and fast 92/92 for now. (gears afterwards)


With that said, I have another question for you guys, would my PAC 1218 springs still suffice with this set up?

Thanks everyone!
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Old Jan 27, 2015 | 07:14 PM
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You should be ok with the PAC1218 beehives. Great springs.
Just check the spring pressures to make sure they are not worn out.
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Old Jan 27, 2015 | 08:07 PM
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Originally Posted by 99 Blue Bird
You should be ok with the PAC1218 beehives. Great springs.
Just check the spring pressures to make sure they are not worn out.
Sounds good! Shouldn't have to worry about them being worn out as they only have about 1500 miles max on them.
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Old Mar 13, 2015 | 04:04 PM
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Like always, the more research we do the more we question the direction of our builds!

I've narrowed it down to two different set ups that would fit in my budget (3K)...which of the two do you guys think would be better as fun weekend street car around town and still put down good numbers?? (~420-30rwhp)

Both would have the SLP lid, stock MAF, PAC1218 springs and A4 (SS3600 w/ 3.23s)

1. 228r 112 (current cam), AI 219CC 241s, Fast 92/92, SLP Lid/stock MAF.

2. F13 112 (230/232), lightly worked 243s, Fast 92/92, SLP lid/stock MAF


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Old Mar 13, 2015 | 05:47 PM
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How about AI 243s and current cam?
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