zrultima

I just recently bought a pair of 317 heads of flee bay I was wondering is there anything that I might need to have these heads work with my current setup. i will be going forced induction so I am not worried about flow on these heads like bumping up compression. As far as my ignition coils do I need to purchase the brackets???? Also what gasket do I use the stock 6.0 gasket or can I go ls9 gasket?? I will be running ARP studs to not blow head gaskets. Thanks in advance....

zrultima

bump anyone

zrultima

bump....

Damian

iTrader: (89)

Need more details. What engine is this going on? Camshaft?

As far as your car being a 98, you will need the 99+ valve covers & coil brackets to run those heads. If your engine is a 5.7L you will need to use the 5.7L gasket, not a 6.0L gasket.

zrultima

Its a stock 5.7 ls1 but i heard something about the gaskets being thocker on the 6.0 or ls9

zrultima

Bump...

gagliano7

You need to use a gasket that works with the bigger of the two between engine and heads.
Of what i have seen is the LS9 head gasket is a compressed thickness of .051 which is the same as the 5.7. The LS9 head gasket would be the best choice of the ones you mentioned for forced induction.

zrultima

Well I since the head is different I thought it wouldnt line up with the heads so I would be using a lq4 gasket but your saying the LS9 or the LS1 head gasket would work but the LS9 would be better ? Sorry about the stupid questions I just want to make sure I am doing everything right

Damian

iTrader: (89)

No. You do not match the gasket to the head. You match the gasket to the bore of the engine. Which in this case is a 3.9" bore and needs a 5.7L head gasket.

KCS

iTrader: (20)

I know there is some debate on this. Some of the aftermarket heads have chambers opened up for large bores and so they'll recommend a 4.180" bore gasket for even a 3.898" bore cylinder.

Personally, I just want to make sure the bore of the gasket is larger than the cylinder so I agree with you, but I wouldn't say someone is wrong for running even larger than necessary, especially for a boosted application.

zrultima

Ok ls1 gasket it is then why do some folks here running bost application use ls9 gasket??

zrultima

Seems like there alot of confusion on it when I am searching the threads and I mean alot. Last but not least on the valve covers and brackets do I use lq4 valve covers and gaskets or do I use 99+ ls1 valve covers and brckets I got my heads today so I will post some pics thanks guys

KCS

iTrader: (20)

It's a seven layer gasket. I think the other GM gaskets are 4 or 5 layer. The LS9 gasket probably would be better in your case since you plan to use boost. Most NA applications would be better off with the smaller bore LS1 gasket for more compression.

zrultima

Last but not least on the valve covers and brackets do I use lq4 valve covers and gaskets or do I use 99+ ls1 valve covers and brckets I got my heads today so I will post some pics thanks guys

KCS

iTrader: (20)

I don't think it matters

zrultima

Seems to be very difficult to find the brackets i found the valve covers for a silverado will my coils bolt up correctly?

zrultima

Just ordered the valve covers and brackets for a 05 silverado from ebay i hope everything goes as planned

zrultima

Well Today I started Dissemble to put in my new heads 317 heads
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First I disconnect my battery

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Then my lid

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Removed my throttle and cruise control cables

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Drain my radiator
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Remove my fuel Injectors
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Remove 10 bolts for my intake manifold

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zrultima

Removed all my rubber hoses leading to my intake manifold with fuel lines

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And Started to remove my ignition coils along with the harness

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I tried to pull my manifold up and out but seems to be stuck in place I do feel some hoses and I unplugged the map sensor from the back but it seems something is still holding it in place any thoughts guys.??

zrultima

So I was finally able to move the intake manifold unplugged the brake booster and slid the manifold forward when I did that all the way in the back I found this

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Is this a knock sensor on some sort ?? It was just laying on the block I then saw a hole
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There was a plastic piece in there is the sensor suppose to go in there??