building a iron block 6.2
#1
building a iron block 6.2
building this for my father.. using a lq4 block and boring it to the stock bore of a l92. using a stock rotating assemby with new bearings, rings, gaskets, etc. stock manifolds for now, tbss intake, nick williams 90mm tb, ls2 timing chain with a ls6 pump. question is.... he doesnt want the truck to be loud since he hunts in it so no low lsa and wants a VERY smooth idle and make more low-midrange. truck will be using a stock 80e converter unless i can pick up a 3k stall for cheap. Camshaft option that i come up with is a 02-04 ls6 camshaft... anyone have any other ideas? would he pick up any power from say a 212/218 cam with more lift?
did some sanding today on the manifolds.. god they are horrible.
did some sanding today on the manifolds.. god they are horrible.
Last edited by 1nasty86; 02-06-2012 at 06:01 PM.
#3
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L92s are more tricky to cam...they don't like every cam profile like a cathedral port headed motor does...
Now I'm not a huge fan of "Custom" cams bc usually you can get the performance you want from an off the shelf grind...but in your case I would 100% say go with custom cam just because there are so many constraints on your build...good luck should be a nice truck
Now I'm not a huge fan of "Custom" cams bc usually you can get the performance you want from an off the shelf grind...but in your case I would 100% say go with custom cam just because there are so many constraints on your build...good luck should be a nice truck
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#8
I'd say a nice little 224/228 just under .600" lift on around a 116lsa would work GREAT in this motor.....remember extra cubes eat up extra duration, so I think he should look at a larger than any stock or hot cam
#12
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Good deal on the L33. How did you score that!
In the first post you showed a pic of 2 manifolds. the one on the right looks great. Is that what you meant by sanding? Nice. Paint them with something high heat (Por 20 maybe).
Is the stock L92 piston dished? If it's flat top that might be too much compression to start with. I'd run the math multiple times before discarding the 317 heads. I'm looking to a set of 799s myself. I'll Give you $150 for them JK
If he really wants it quiet put a smallish turbo on it and retain the stock exhaust. Quiet City, BIG mid range torque, Dead smooth idle.
Your "L92" in a LQ4 block is an interesting budget friendly solution.
What did you have to give for the rotating assembly?
Your 3000GT/Stealth Needs air NOW!
Have a good one...
In the first post you showed a pic of 2 manifolds. the one on the right looks great. Is that what you meant by sanding? Nice. Paint them with something high heat (Por 20 maybe).
Is the stock L92 piston dished? If it's flat top that might be too much compression to start with. I'd run the math multiple times before discarding the 317 heads. I'm looking to a set of 799s myself. I'll Give you $150 for them JK
If he really wants it quiet put a smallish turbo on it and retain the stock exhaust. Quiet City, BIG mid range torque, Dead smooth idle.
Your "L92" in a LQ4 block is an interesting budget friendly solution.
What did you have to give for the rotating assembly?
Your 3000GT/Stealth Needs air NOW!
Have a good one...
#15
guess ill update this because the 6.2 is getting ready to go to the machine shop. Heads came in, slp double roller came in, BTR 7.400 pushrods came in, bought a 4x4 80e transmission.... all i lack is lifters, complete gasket kit, cam, valvesprings, oil pump and bearings and rings... other that that its ready for assembly
arp head bolts
06 4x4 80e
arp head bolts
06 4x4 80e