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not enough P/V clearance now what? will timing chain work

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Old 07-23-2006, 01:53 PM
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Default not enough P/V clearance now what? will timing chain work

well i installed my TSP-233-239 cam and milld 205AFRs .030 last night. stock gaskets and stock pushrod lenght. i clayed it and had about .070 int and .090 ext. will getting a adj timing chain and retarding it some get me the clearance i need? im so not happy i new it would be close but this sucks.
thanks all
Old 07-23-2006, 02:41 PM
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if im not mistaken if you retard the cam timing you will gain some intake clearance but lose some exhaust clearance.....Again im not positive on this.
Old 07-23-2006, 03:08 PM
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I would caution against retarding a cam that already is low on DCR. You're just going to make your area under the curve worse. Swap for a cam with less duration, more lift and a narrower LSA. You'll make more power everywhere. Those AFR heads won't need as much duration as other heads to make killer power. I have personal experience of what your heads are capable of.
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Old 07-23-2006, 03:12 PM
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I'm surprised you had that much clearance. With a 228/230 112+2 XER Comp I only had .045. Why don't you notch your pistons to be safe while you have the heads off. Then you won't have to worry about P/V contact from an over rev or valve float.
Old 07-23-2006, 03:17 PM
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Patrick G LOL you shold there yours LOL
i wanna do a 408 in the future hopfully this inter so i dont want to put a lot of money in this motor. thats y i dont want to flycut them.
im not sure what i want to do. but i need o figure it out. i only have till friday to get it back together im in my buddies shop and he needs it for another project this weekend!! GGRRR
Old 07-23-2006, 03:18 PM
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is there a thicker gasket than stock ? whouldnt that work?
Old 07-23-2006, 03:27 PM
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Originally Posted by camarokid94
is there a thicker gasket than stock ? whouldnt that work?
There are gaskets much thicker than stock. I think up to 0.040-0.074
Old 07-23-2006, 03:30 PM
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I would do a smaller cam over a thicker gasket anyday,no questions asked...You will have a shitty quench,and a horrible DCR.
Old 07-23-2006, 03:47 PM
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A 224 cam with a .040" gasket will make more power than a 233 cam with a .065" gasket. Compression and quench are your friends. Yes, I know those are my old heads, that's why I feel I can say this with confidence. Those heads are setup to run LSK lobes. You should really look into getting one of the smaller ones from Thunder or TSP. I'm sure they have some on the shelf. Those 233/239 cams are always good to sell to the cam-only crowd.
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Old 07-23-2006, 06:23 PM
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well THIS JUST IN my buddie will buy me a TSP 228R cam and cometic .040 gasket if i install his clutch.... so i now need to make sure it will fit. this will bump quench but am i gonna be stuck with the same problem?
GGRRR i neew ti figure it out tonight so i can get him to order it tomorrow for me.
Old 07-23-2006, 06:40 PM
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to be safe i might need to go with a 114 but id rather have a 112. but dotn wanna puch it.
Old 07-23-2006, 07:18 PM
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If your buddy can buy you any cam you want, don't get the 114LSA cam. Your dynamic compression is going to still not be optimized and neither will your power.

The AFR cam 224/228 .581/592 114LSA +1 is a proven performer with those heads, but since you seem to want a little nastier cam, I'd recommend getting something like I'm running.

224/228 .636/639 110LSA +0

This will fit and it will make very similar power to mine (if you complete the recipe). You have the springs already set up to run them.

Remember, you'll make more power with a smaller cam running more compression & tighter quench than you would with a bigger cam and lower compression and poor quench. Don't use 114LSA with anything past 224 duration. 110LSA is much more likely to make you outstanding power under the curve with your mods.

Just don't trade one mis-matched cam for another one. If you don't get the right valve events and compression, my fear is that you're not going to make as much power as you should and then you'll feel like you didn't get your money's worth with the AFR heads. Bottom line, it pays to do it right.
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2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
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Old 07-23-2006, 07:32 PM
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any chance for a idle sound clip of your cam Patrick
Old 07-23-2006, 07:43 PM
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well hes a TSP dealer and thats why hes was gonna get me one. does it pay to go with a .045 gaket and a 112 LSA? your right on patrick with the nasty cam i want the best setup and no compromises. i dont want to sink a bunch of money in a short block that wont be around forever. i know the heads are awesome the i want to optimize the cam to them but i dont have money to buy a cam and this is my best but since he can get me a cam ASAP.
Old 07-23-2006, 08:09 PM
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The 228R on a 112LSA with a .045" gasket will be your best bet based on the parts you can get this week. You should be able to make BIG power with that combo.
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2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
Old 07-23-2006, 08:16 PM
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thanks for the help patrick and all. i think thats what im gonna go with. i hope i will like the power gain, i love torque, i hope this will keep some around for me!!
Old 07-23-2006, 08:22 PM
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Trader Rating: (0) AFR 205's milled .030", 224/228 .581"/.588" 112lsa+0 on Cometic .040's. Intake was .060", exhaust .065". I had to notch. As Tony said, notice I'm on a 112 and no advance.
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HUMMMMM will it work??????????
Old 07-23-2006, 08:22 PM
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Both of those cams are disasters waiting to happen. Do a search and you will find that Tony Mamo kissed his pistons with his 224/228 as I recall. I've got a 228/230 Comp XER on a 112 lsa with unmilled 5.3L heads and had to notch the pistons because I only had .045" clearance.
Old 07-23-2006, 08:30 PM
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what head gaskets u use??
Old 07-23-2006, 08:37 PM
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OEM graphite .054 compressed.



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