IMACHU2

Hey! My friend is in his 60's and not computer literate. I am looking to help him with his build. I think he ended up with a 6.0L LQ4. I am waiting for casting numbers, but it has cast iron heads, which I read makes it a LQ4? He is going to stuff it in a nostalgic drag car. (Ford Falcon). My questions: All I can find on the web is L96 cylinder head swaps. He is on a pretty tight budget, what kind of power can we get with the stock long block (with stock heads), a cam swap and the Edelbrock Victor carbureted manifold set-up? Note: fuel injection is not permitted in his racing class. He was going to build a small block Chevy, and I talked him into the LS. LOL

93Z2871805

iTrader: (5)

I would look into at least grabbing a set of 317's and milling them down (you can get them REAL cheap). The iron heads are boat anchors. On the plus side, that motor will have the .400" longer crank, so you wont need a crank adapter to run a TH350, 700-R4, 200-4R, or TH400. 425-450 rwhp would be easy. Also, paint the block Ford blue, put the coils up on the firewall, and slap a "Powered by Ford" on some tin valve covers, lol.

etcetc97

LQ4 6.0L should have aluminum heads, not sure what you have!

4x4Sierra2500

iTrader: (6)

99&2000 lq4 had iron cylinder heads.

weeble1

iTrader: (6)

this^

IMACHU2

Thanks for all the help :-) I have been talking to him, I think we are going to stick it in stock for now, and go L96 heads with a lumpy bump stick later. What flexplate do we need for use a TH350? (Fully built, so it will hopefully survive).

IMACHU2

That would be hilarious

93Z2871805

iTrader: (5)

Since it's a long crank 6.0, you can use any standard LS flexplate with a SBC/BBC converter bolt pattern. I used the PRW SFI one which is dual pattern. You will not need to use a crank spacer.

Mercier

iTrader: (15)

Take a look here for a comparison of factory cathedral port head styles..looks like the iron heads have fairly large chambers which further lowers the LQ4 compression ratio which is already lower due to dished pistons.

http://houstonperformancetrucks.com/...h-flow-numbers

93Z2871805

iTrader: (5)

It listed 317 and 873 as the same 71.06cc chamber.

Mercier

iTrader: (15)

You are correct. I guess I was thinking of what /I/ would do and that would be replace iron with a cheap set of LS1 or 5.3 heads and was comparing to the 853(LS1) combustion chamber. Forgot all about those other 6.0 heads. Thanks for catching that.

93Z2871805

iTrader: (5)

I hear you, I'd personally grab a set of 317's or 5.3 heads for $100-$150. The nose weight savings and better resistance to detonation alone are worth it.