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Old 11-08-2012, 10:35 PM   #1 (permalink)
IronButt
 
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secondchance wants to know Dino or Syn?
Tw6

Is there any other cam that can give you that Great TQ, and more HP in a 95" build, at 9.5:1.Thinking of going to an s&s 585.93hp/112tq. Do I need more compression for that cam? Have a 4* gear with my tw6.Don't get me wrong,I love the tq of that cam,just want alittle more up top.
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Old 11-09-2012, 05:39 AM   #2 (permalink)
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do you have headwork already?
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Old 11-09-2012, 06:02 AM   #3 (permalink)
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Uncle Salty is reading this now saying WTF is this?
If you are only getting 93 HP with a TW6, you're leaving some on the table.
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Old 11-09-2012, 08:37 AM   #4 (permalink)
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Yes, I do have head work. And how am I leaving some on the table? What can I do? Is it my heads?
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Old 11-09-2012, 08:45 AM   #5 (permalink)
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Uncle Salty is reading this now saying WTF is this?
I don't know anything about your engine, heads, etc but I get 100/100 STD using a TW6 in my 95" and I tuned it myself. Seat of the pants tuning with a SERT. I've seen where others have gotten more than with professional tuning.
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Old 11-09-2012, 08:50 AM   #6 (permalink)
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Easy
Take the key out, raise the compression to 10:1 and add 1.7 SE rockers. Assuming the heads are a little more than a buff and fluff and are working right you will be amazed how much better it runs.
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Old 11-09-2012, 10:11 AM   #7 (permalink)
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I know this might be a hard question to answer,but can I get to 10.1 by decking my heads with flat top pistons?
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Old 11-09-2012, 10:29 AM   #8 (permalink)
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Same answer Easy
Mill to 77cc, mill the intakes too so the manifold still fits, use a .030 head gasket and check piston to valve clearance, fix if needed.
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Old 11-09-2012, 11:16 AM   #9 (permalink)
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Quote:
Originally Posted by nw_guy4_fun View Post
Same answer Easy
Mill to 77cc, mill the intakes too so the manifold still fits, use a .030 head gasket and check piston to valve clearance, fix if needed.
Ok, stay with me cause I don't know to much about this. How much would have to be taking off the heads to get 77cc ?
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Old 11-09-2012, 11:25 AM   #10 (permalink)
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Somewhere between .055 and .085 would depend on where they start at.
So the answer,
It depends
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Old 11-11-2012, 12:07 AM   #11 (permalink)
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Quote:
Originally Posted by Uncle Salty View Post
I don't know anything about your engine, heads, etc but I get 100/100 STD using a TW6 in my 95" and I tuned it myself. Seat of the pants tuning with a SERT. I've seen where others have gotten more than with professional tuning.
What is in your build? Heads,compression,etc etc.
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Old 11-11-2012, 06:52 AM   #12 (permalink)
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Uncle Salty is reading this now saying WTF is this?
Hillside ported the heads and bored the cylinders. The heads have aftermarket valves, don't remember what size they used. I bought the other parts from them, TW6, gear drive kit, Wiseco pistons, rings, S&S pushrods. They set it up at 10.2 compression with 10.5 pistons and a large combustion chamber. Scott assured me that it would be fine at 10.2 but I dropped it to 9.8 for a little insurance. D&D FatCat quiet baffle, stock lifters (bought a new set @ time of build), stock rockers and stock oil pump.

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Old 11-11-2012, 10:14 AM   #13 (permalink)
IronButt
 
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Quote:
Originally Posted by Uncle Salty View Post
Hillside ported the heads and bored the cylinders. The heads have aftermarket valves, don't remember what size they used. I bought the other parts from them, TW6, gear drive kit, Wiseco pistons, rings, S&S pushrods. They set it up at 10.2 compression with 10.5 pistons and a large combustion chamber. Scott assured me that it would be fine at 10.2 but I dropped it to 9.8 for a little insurance. D&D FatCat quiet baffle, stock lifters (bought a new set @ time of build), stock rockers and stock oil pump.

Great looking TQ curve.Think I will increase compression and take a look at my heads.Thanks
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Old 11-11-2012, 10:38 AM   #14 (permalink)
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Uncle Salty is reading this now saying WTF is this?
BTW, I tuned it so I could run lower grade gas in case I was out in the boonies and couldn't get the good stuff. I'm sure a good tuner could tweak several more ponies out of it, especially if the tune was optimized for good premium fuel.
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