Will my L92 WCCH Stg2 be enuff head for....
02-10-2011, 04:57 PM
#21
Probably an incredible rip off anyway.......carbon fiber is a waste of money, it needsw to just be plastic.
This one looks great for a show car, but won't offer any power gains over any other big plastic intakes. Probably also a ridiculous price.
Someone needs to make an all plastic dual plenum'ed intake like the top one there....but with the plenums on the inside (like the Viper intake). One air neck off the lid into the two plenums. Then there's no changes that need to be made to the MAF, TPS, IAC.
This way it could be priced well and give nice gains.
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Last edited by LS6427; 02-10-2011 at 05:34 PM.
02-10-2011, 07:25 PM
#22
Air distributed by one of these...
Its gonna make a little more than 700-750
02-10-2011, 09:54 PM
#23
Again......a 460ci BBC with their better flowing heads will assrape your 460ci small block in the power department. The BBC would make 900 HP.
BTW....are those 6 bolt C5R heads?
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02-11-2011, 07:35 PM
#24
02-11-2011, 08:10 PM
#25
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That'll be awesome....but there's no way even a 430cfm LSx type head can feed 460ci to ITS MAX POTENTIAL.
Again......a 460ci BBC with their better flowing heads will assrape your 460ci small block in the power department. The BBC would make 900 HP.
BTW....are those 6 bolt C5R heads?
.
Again......a 460ci BBC with their better flowing heads will assrape your 460ci small block in the power department. The BBC would make 900 HP.
BTW....are those 6 bolt C5R heads?
.
I don't see a lot of 900 hp NA BBC's in the 460 CI range - that is near 2 hp per inch and would require stupid high compression and solid roller cam set-up. Can it be done - yes, can it be street driven - questionable.
Best bet in BBC is going to 4.5 inch bore and huge cubic inches. Torque from a 540, 588 or 632 will twist most cars. This is where the real advantage is, along with cheaper parts.
To the OP - keep your WCCH heads and see what you can make. You might want to check with WCCH as to what it would cost to upgrade to Stage 3 with larger valves.
02-12-2011, 05:13 PM
#27
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Not sure the flow, but after talking to Rich, I'm sticking with my WCCH and then if budget permits, I will do the stage 3
DM
Theres an awful lot of the Fastest LSx cars running TFS heads... Not slagging on other options Im just saying...
Anyways you fellas might find these links of interest;
https://ls1tech.com/forums/generatio...-manifold.html
https://ls1tech.com/forums/generatio...-manifold.html
http://www.planetlsx.com/vehicles/19..._All_Time_/147
Anyways you fellas might find these links of interest;
https://ls1tech.com/forums/generatio...-manifold.html
https://ls1tech.com/forums/generatio...-manifold.html
http://www.planetlsx.com/vehicles/19..._All_Time_/147
DM
If you read the HotRod article on ported rectangular port heads, including a couple of non factory castings you'd see the results on a 468" with a larg hyd roller making more then 700hp. Stock unported heads were making 680 I believe. Your hood might be tall enough to clear that awesome mast intake. I wouldn't sweat getting different heads and just try and nail the combo you have down to the last detail.... T/B, Header size, gearing, clutch..etc
Yeah I talked to Rich @ WCCH and he put me to ease with the heads. If anything, I will do the Stg 3 on them; I also talked to him about opening up the pushrod holes for bigger pushrods and he said that would be a good idea.
lol, with this VFN 5" cowl Ram Air hood, I can hide all kinds of things under it
DM
02-12-2011, 05:28 PM
#28
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Hey LPE... You wanna trade heads & intake
BTW, what is your crank, rod and bore, specs, you may have gone over it in your thread, but I don't recall. Did you have to go with custom or are you using OTS pistons? I ask because I can't find any OTS pistons for my setup and to pay out $1200 for pistons is gonna suck! But.... it's all part of the game isn't it, lol...
Here are the specs:
Crank: 4.125
Rod: 6.125
Bore: 4.165
What sucks is there are OTS pistons for this setup but in a 4.155 and 4.180 bore... i can't go smaller and the Darton MID sleeves have a max bore of 4.175... I'm in dead mans land with this bore, lol...
DM
Yeah I talked to Rich, what a GREAT guy, and he put me to ease with the heads. If anything, I will do a Stg3 as well as increase the diameter of the pushrod holes so that I can run bigger pushrods. I think the cost is around $400 for labor and $200 for parts, but don't quote me on that.
DM
Hey there Bro!
Yeah that is what Rich told me, something like 40cfm more IIRC, so not a big deal. I just hope my budget allows for a Stg3 before time comes to bolt them down
DM
02-13-2011, 07:13 PM
#29
Hey LPE... You wanna trade heads & intake
BTW, what is your crank, rod and bore, specs, you may have gone over it in your thread, but I don't recall. Did you have to go with custom or are you using OTS pistons? I ask because I can't find any OTS pistons for my setup and to pay out $1200 for pistons is gonna suck! But.... it's all part of the game isn't it, lol...
Here are the specs:
Crank: 4.125
Rod: 6.125
Bore: 4.165
What sucks is there are OTS pistons for this setup but in a 4.155 and 4.180 bore... i can't go smaller and the Darton MID sleeves have a max bore of 4.175... I'm in dead mans land with this bore, lol...
DM
BTW, what is your crank, rod and bore, specs, you may have gone over it in your thread, but I don't recall. Did you have to go with custom or are you using OTS pistons? I ask because I can't find any OTS pistons for my setup and to pay out $1200 for pistons is gonna suck! But.... it's all part of the game isn't it, lol...
Here are the specs:
Crank: 4.125
Rod: 6.125
Bore: 4.165
What sucks is there are OTS pistons for this setup but in a 4.155 and 4.180 bore... i can't go smaller and the Darton MID sleeves have a max bore of 4.175... I'm in dead mans land with this bore, lol...
DM
Crank: 4.185
Rod: no idea...lol
Bore: 4.185
Pistons are custom JE. Nothing OTS on my build
...btw, fat chance on the head/intake exchange
02-13-2011, 07:36 PM
#30
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Oh and if you change your mind on the head swap let me know
Jesus Christ.... .185 stroke!? All the pistons manufacturers that I've called keep telling me that my stroke .125 is the issue. Because of a 6.125 rod it is bring the rod into the crown of the pistons which does not leave much for ring lands... or something like that. Plus since I want to run anywhere from a 10:1 to 11:1 CR, I will need a -20cc dish pistons which does not leave much meat for NOS (200-300 shot).
I was thinking JE as well since they are not only great pistons, but they also quoted me $102 per pistons IIRC vs Wiseco @ $150 and CP @ $185.
DM
I was thinking JE as well since they are not only great pistons, but they also quoted me $102 per pistons IIRC vs Wiseco @ $150 and CP @ $185.
DM
02-14-2011, 01:53 AM
#31
I am not a young guy and have put together a few BBC's for my Gen I. While there are great BBC heads out there, most production type BBC heads (Brodix, AFR etc), designed for a 4.31 bore (468) will not outflow a top end LSX head on a 4.125 bore. Most are tested on 4.5 or 4.6 bore which skews numbers. BBC aftermarket heads biggest advantage over LS is on exhaust side and availability of intake manifolds. Unfortunately raised exhaust ports normally rule out production headers adding another $1K or so to your build.
I don't see a lot of 900 hp NA BBC's in the 460 CI range - that is near 2 hp per inch and would require stupid high compression and solid roller cam set-up. Can it be done - yes, can it be street driven - questionable.
Best bet in BBC is going to 4.5 inch bore and huge cubic inches. Torque from a 540, 588 or 632 will twist most cars. This is where the real advantage is, along with cheaper parts.
To the OP - keep your WCCH heads and see what you can make. You might want to check with WCCH as to what it would cost to upgrade to Stage 3 with larger valves.
I don't see a lot of 900 hp NA BBC's in the 460 CI range - that is near 2 hp per inch and would require stupid high compression and solid roller cam set-up. Can it be done - yes, can it be street driven - questionable.
Best bet in BBC is going to 4.5 inch bore and huge cubic inches. Torque from a 540, 588 or 632 will twist most cars. This is where the real advantage is, along with cheaper parts.
To the OP - keep your WCCH heads and see what you can make. You might want to check with WCCH as to what it would cost to upgrade to Stage 3 with larger valves.
Thats all I'm saying to the OP.......no way the best sbc/LSx head is going to feed 460ci LSx engine anywhere near its MAX potential.
.
02-14-2011, 04:43 PM
#34
Of course the ported OEM does well, not arguing that. Statement is that FAST is better. Ported FAST is better still.
https://ls1tech.com/forums/generatio...stock-ls7.html
and the write up here:
http://www.planetlsx.com/review/Dyno...ke_Manifold/88
This has been repeated a bunch of times, too. They're not cheap but when modding an LS7 or other big cube motor, what do you expect? *Seems* reasonable to me, especially when you consider that you should see more gains on a modded motor like yours. Bang for the buck? That standard changes a little with a pretty high end unit and build like yours.
Fact, it is as I said - all gains, no downside except cost (and drivetrain noise if you care). Whether 15-30rwhp and torque is worth it to you, only you can answer. Start figuring your ALL IN costs otherwise using real math, in $ per HP, and you'll see this starts to make tons of sense, more than it may appear at first. It's only defined as "last" because it sits on top of the motor but that top end, including intake, is where power is made.
*Keep in mind, these results are with NO changes in tuning.
Last edited by jmilz28; 02-14-2011 at 04:54 PM.
02-19-2011, 04:07 PM
#35
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I'm just talking aftermarket top end parts......not stock heads. BBC aftermarket heads up against any LSx aftermarket head, even hand ported to the max..........BBC head will kill it in flow. Thats why a 454 sbc vs 454 bbc......454 bbc will kill it every time in power/torque.
Thats all I'm saying to the OP.......no way the best sbc/LSx head is going to feed 460ci LSx engine anywhere near its MAX potential.
.
Thats all I'm saying to the OP.......no way the best sbc/LSx head is going to feed 460ci LSx engine anywhere near its MAX potential.
.
Getting away from standard aftermarket offerings for BBC or LSX will get very expensive.
