If you were to build an LML....

Dm23

Active member
Mar 8, 2019
386
109
43
Socal
Just cause I’m curious. If you were to build a 750-800hp DD LML. How would you build it? What internals/externals, brands. What kind of piston, crank, heads etc and why? Single turbo, compound setup? Just want to see what everyone’s opinions are.
 

malibu795

misspeelleerr
Apr 28, 2007
8,238
550
113
42
in the buckeye state
Lml crank, head studs, twins 364/480 comparable size, 60 over injectors,
Maybe 40s and crank rail pressure up to increase volume via pressure which would increase atomization..
valve spring upgrades, with single CP3 IDK if a 10mm will but 12mm should, dual stock definitely will.
Billet rods
Cam isn't needed but would help, definitely a case for a alternate fire camshaft. Though I'm not personally sold on it
Keyed crank/cam minimum
Main studs, billet caps aren't needed but definitely money well spent.
Mahle performance pistons, ovals or de-lipped, diamond pistons is another option.
OEM Head work would definitely help.
I'd run 18:1 CR for daily use, easier starting and crisper throttle response. Definitely thought about building a 19:1 engine.
At minimum exhaust up pipes, manifolds would be a good addition though smaller versions vs larger pipes as you'll spend more time at part throttle than WOT
Pending RPM you plan on spinning aftermarket harmonic dampener.
Drill out fuel rail ports/fittings for increase volume.

Most likely will need billet hard parts in the transmission at that level.
Just a rough non polished thought process from me..
 
Last edited:
  • Like
Reactions: Dm23

Dm23

Active member
Mar 8, 2019
386
109
43
Socal
Thanks for the feed back. I haven’t seen or heard of many people on this site going into detail in regards to this platform. I’m thinking long term for a really fun DD. I really want to keep and add to what I have already got. With the 65mm/cp3 etc. looking at 100% SS overs currently.
 

Bdsankey

Vendor
Vendor/Sponsor
Feb 1, 2018
4,165
1,274
113
Larsen, Wisconsin
If I wanted a 750-800whp LML to do everything it would be as follows:


****Engine****
1) SoCal rods
2) Callies compstar crank
3) Any cam that doesn't require reliefs
4) Mahle Motorsport or Fingers Ovals (cast) (16.8:1 area)
5) ARP everywhere (625 head studs)
6) BD/Goerend/DHD style flexplate
7) 2020+ oil cooler
8) DHD pinned/shimmed oil pump
9) Mahle performance main/rod bearings (H or HX depending on clearance), Mahle standard cam/thrust bearings
10) Fluidampr
11) Good conical valve springs (Manton/XDP, SoCal, Comp, Fleece etc. Skip dual springs)
12) Good pushrods (Manton/XDP, SoCal, Fleece, II, Merchant, Trend etc)


****Fuel****
1) Dynomite or Exergy 100% injectors
2) 12mm CP3 of your choice
3) AirDog II-5G 220gph


****Air****
1) 63.5 vgt/480 or 65 vgt/480
2) Intercooler of your choice


****Built Trans****
1) Billet input
2) Billet C2 hub
3) Goerend R converter
4) Mishimoto cooler
 
Last edited:
  • Like
Reactions: gmc502 and Dm23

Dm23

Active member
Mar 8, 2019
386
109
43
Socal
Thank you, I appreciate your help. These types of comments are exactly what I was looking for. I'm sure it will help myself and anybody down the road who come across this thread.
 

CDmax16

Member
Mar 3, 2018
63
11
8
55
NNV
If I wanted a 750-800whp LML to do everything it would be as follows:


****Engine****
1) SoCal rods
2) Callies compstar crank
3) Any cam that doesn't require reliefs
4) Mahle Motorsport or Fingers Ovals (cast) (16.8:1 area)
5) ARP everywhere (625 head studs)
6) BD/Goerend/DHD style flexplate
7) 2020+ oil cooler
8) DHD pinned/shimmed oil pump
9) Mahle performance main/rod bearings (H or HX depending on clearance), Mahle standard cam/thrust bearings
10) Fluidampr
11) Good conical valve springs (Manton/XDP, SoCal, Comp, Fleece etc. Skip dual springs)
12) Good pushrods (Manton/XDP, SoCal, Fleece, II, Merchant, Trend etc)


****Fuel****
1) Dynomite or Exergy 100% injectors
2) 12mm CP3 of your choice
3) AirDog II-5G 220gph


****Air****
1) 63.5 vgt/480 or 65 vgt/480
2) Intercooler of your choice


****Built Trans****
1) Billet input
2) Billet C2 hub
3) Goerend R converter
4) Mishimoto cooler
Would this be the same for a 600-650 hp build?
 

ikeG

Oughta Know Better
Apr 19, 2011
2,465
147
63
Western PA
www.facebook.com
Callies compustar cranks can be a cunt to get to seal up on rear mains so I personally uses the jv8 on the inside and outside of that seal before I press it in otherwise it'll be out again to get a new one fought 4 straight motor builds that way.
What rear seal installer do you use? If you use one that does not have a relief in it for the dowel, you can run into problems like you mentioned

Sent from my SM-G990U2 using Tapatalk
 
  • Like
Reactions: Dm23 and Bdsankey

malibu795

misspeelleerr
Apr 28, 2007
8,238
550
113
42
in the buckeye state
What rear seal installer do you use? If you use one that does not have a relief in it for the dowel, you can run into problems like you mentioned

Sent from my SM-G990U2 using Tapatalk
What I use.

And driver handle
 

ikeG

Oughta Know Better
Apr 19, 2011
2,465
147
63
Western PA
www.facebook.com
What I use.

And driver handle
That's what I was getting at, this style has no rear dowel relief, so depending on the length the dowel was cut to(callies do not come with dowels) it can cause rear mains to be installed crooked.

Sent from my SM-G990U2 using Tapatalk
 
  • Like
Reactions: Dm23

malibu795

misspeelleerr
Apr 28, 2007
8,238
550
113
42
in the buckeye state
That's what I was getting at, this style has no rear dowel relief, so depending on the length the dowel was cut to(callies do not come with dowels) it can cause rear mains to be installed crooked.

Sent from my SM-G990U2 using Tapatalk
Nope, it's deep enough to not hit the dowel. Eric was smarter then that when building them.
I have seen ones that are too shallow and do exactly what you say