Weak link in my forged motor?

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Feb 28, 2011 | 09:54 PM

Adam86

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From: Faribault, MN

Weak link in my forged motor?

Building a low compression forged 347 for my TA. I was wondering what you guys think the weak link in my setup is if any. My plans are for ~600rwhp and will not be pushing it past the stock redline. Planning on a 9.2-9.4:1 CR. Also, if you have any ideas as to its power handling capabilities, give me your opinion

Here's the build list:

-Stock '98 aluminum block
-New stock main caps and bolts
-Stock crankshaft
-Clevite Triarmor rod and main bearings
-Scat I-beam connecting rods with ARP 8740 rod bolts
-Diamond -9.6cc pistons with moly rings
-Melling oil pump
-LS2 timing chain
-TSP 7.400" hardened pushrods
-PAC .600 lift beehive valve springs
-LS7 lifters with new trays.
-ARP head bolts
-GM MLS gaskets
-241 heads
-Stock rockers

Thanks a lot guys. Wondering how much boost I should plan throwing at this puppy.

Feb 28, 2011 | 10:01 PM

got-a-ls1

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From: earth

judging by those mods i would say anything that says stock in the driveline... haha motor shouldnt break a sweat at 600 rwhp.

Feb 28, 2011 | 10:43 PM

Adam86

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From: Faribault, MN

Ha well I have a monster level 3 clutch and flywheel so I guess ill play the waiting game with the rear end

tranny should be good for a while I think.

Feb 28, 2011 | 10:44 PM

ss454327

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From: Scott, AR

The stock LS1 block at #7 is the weak point. Sell it and go iron IMO.

Feb 28, 2011 | 10:52 PM

Adam86

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From: Faribault, MN

Iron for 600 horse? Doesn't seem like it would be worth the added weight.

Mar 1, 2011 | 12:17 AM

Detoxx03

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From: Woodward Avenue

Don't need iron for the amount of power he wants go run.

Mar 1, 2011 | 12:37 AM

Adam86

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From: Faribault, MN

Good to hear, thanks man! I figure the weak point will probably be either the rods or main caps, both of which should pretty easily handle 650 rwhp I think. The rockers... well I figure when/if one goes I'll just get different stockers with the Comp Cam trunion upgrade.