SweetnessGT wrote:Even at its height the J-body and the LD9 had but a fraction of the support that other platforms enjoy.
I'm rather surprised my one-off built LD9 didn't come up in your searches... what with the custom crank, custom cams, thermal coated 7.9:1 pistons & combustion chambers, dramatically over-ported decked head as well as a completely balanced and blueprinted bottom end right down to the flywheel bolts. Other custom (NOT off the shelf) parts including shot peened oil pump gears, piston coolers, main bearings & 1/2" head studs.
It's sitting on a dolley... if you can drive up to canada, pick it up with your bare hands (NVG Transmission, Stage 4 unspring 4 puck clutch, custom lightened stock flywheel and all) and lift it into your car unassisted then you can keep the entire thing. 
There are some incredible one-off builds on this site... the reason people go with secret cams etc is because these cars are built on a budget 90% of the time and those are great budget cams. Custom cams are hard to come by, now.
-Chris-
can i take on that challenge for the engine if i can lift it unassisted??
then i can have your engine and mine making 500+whp, given i will just throw my turbo setup on your engine but hey, it all works the same doesnt it?
lol chris... coming from someone who's engine profile literally says "figure it out for yourself"... your build is a bit vauge.
PICS. post pics of it, i know ive never seen any internally lol
ps, whats ur address, im on my way to "pick up" my new drivetrain.
Edited 1 time(s). Last edited Monday, July 29, 2013 10:34 AM
RIP silver car. You will be missed.
I'm right behind brad I'm a ex state competition power lifter lol I would give it a try haha but sounds like a nasty ass build! I said @!#$ budget I wanna make history
I Love My J ♡
Todd put a prototype m45 on it....and made less HP than it did NA.
PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
-MD- Enforcer wrote:Todd put a prototype m45 on it....and made less HP than it did NA.
Keep in mind tuning.
Chris I'm with Brad I have never seen documented info on your build. You have told me small bits and pieces in IM in the past but nothing concrete.
Actually what you posted above is more than I have ever seen or heard.
FU Tuning
Sounds like a sweet build tho man I almost wish I wouldn't of even posted in the boost form about a stroker boost build cuz really it's just turning a 2.3 into a big bore ld9 why not just bore the ld9 .100 and that would be Damn close lol Idk what I'm do yet but high compression and a blower are about the only things I'm set on lol
I Love My J ♡
cody nobbs wrote:Sounds like a sweet build tho man I almost wish I wouldn't of even posted in the boost form about a stroker boost build cuz really it's just turning a 2.3 into a big bore ld9 why not just bore the ld9 .100 and that would be Damn close lol Idk what I'm do yet but high compression and a blower are about the only things I'm set on lol
For a stroker I think going 2.3 block with 2.4 crank is the better way.
You can only bore the LD9 block soo much before making the walls too thin.
FU Tuning
Addicted to meth wrote:what you posted above is more than I have ever seen or heard.
this! lol
RIP silver car. You will be missed.
I think I read once in another thread brad said .120 is the limit? Chime in brad if I'm wrong I do not recall but I think it was .120 on a ld9 it just almost seems like wasted effort to me if you could bore ld9 to the same and have almost the same set up lol I Do like the idea of a stroker tho
I Love My J ♡
Your not stroking a motor unless you change the stroke. You can bore a ld9 out and you will have a bored ld9, not a stroked ld9.
FU Tuning
all this talk of the ld9 makes me miss mine, rod bearings and all... now i have an eco i need to get running to i can boost it.
I know that lol but the ld9 bored out would be the same thing as the stroked 2.3 same bore and stroke is what I'm saying not that boring the ld9 would be same as stroking it. It would all just end up the same thing in the end. Yes a 2.3 with a ld9 crank would be a stroked motor but it would only be a big bore version of a ld9 so what I'm getting at is a bored out ld9 would end up having same dimensions as stroked 2.3 just one would be stroked on would be bored out. That's what I'm saying lol
I Love My J ♡
cody nobbs wrote:I know that lol but the ld9 bored out would be the same thing as the stroked 2.3 same bore and stroke is what I'm saying not that boring the ld9 would be same as stroking it. It would all just end up the same thing in the end. Yes a 2.3 with a ld9 crank would be a stroked motor but it would only be a big bore version of a ld9 so what I'm getting at is a bored out ld9 would end up having same dimensions as stroked 2.3 just one would be stroked on would be bored out. That's what I'm saying lol
the LD9 bored out will not have the same dimensions as a 2.6 stroker 2.3/2.4 hybrid, the 2.4's cant be bored out enough to increase the displacement to that degree while maintaining a thick cylinder wall that would be reliable and strong
If the block has ZERO, and I MEAN ZERO core shift. You can bore 0.080-0.100 over. Most of the LD9 blocks are easily safe to bore 0.040 over. A lot have bored 0.060" over. There is a lot of circle track and dirt oval guys, that have used modified 2.3 pistons in a 2.4 block. Again, you need a block with VERY little core shift.
I think the 2.3l oil pump swap is a great idea for a built twin cam.
PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
Oh the oil pump swap is a must imo and I agree zero core shift as well. Just saying if you could get it bored to that extent safely via zero core shift then you would have practically the same concept. But like I said the idea of a stroker is bad ass lol it would be sweet if somebody made a stroker crank that had more stroke than the ld9 that would make a beast engine
I Love My J ♡
There are a few de-stroked 2.2 and 2.0l cranks floating around. Last I heard they were north of $2500 still.
Ever once and a while one will pop up on ebay.
PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
I'll bite on this one...I have yet to install it yet but my build consists of:
2.4 block .030 over modded for 2.3 oil pump
Lightened knife edged crank
Eagle Rods
Wiseco 9-1 pistons with custom valve reliefs cut(Compression is quoted for 2.4 head)
Crank/Head studs
Cometic .090 head gasket
086 Head ported and polished Final compression ratio is around 9-1
Custom dual valve springs with titanium retainers
Custom cams with .430 lift and 240@50 Duration with adjusted cam timing
Venom fuel rail 750cc Injectors(to start out with)
Custom intake manifold with LS1 Throttle body
After Market iginition coils
T3/T04E turbo
Aside from the cams and the Block head combination this is not an off the wall build, but it should produce good numbers.
cody nobbs wrote:Oh the oil pump swap is a must imo and I agree zero core shift as well. Just saying if you could get it bored to that extent safely via zero core shift then you would have practically the same concept. But like I said the idea of a stroker is bad ass lol it would be sweet if somebody made a stroker crank that had more stroke than the ld9 that would make a beast engine
The R/S ratio is already pushing it on a stock LD9. More stroke is not the way to go.
Head flow is the biggest obstacle and is what needs the most attention with these engines.
I have no signiture
Whalesac wrote:Head flow is the biggest obstacle and is what needs the most attention with these engines.
ding ding ding! we have a winner!
RIP silver car. You will be missed.
I wanna start off with saying thanks to the positive replys ! And z's z thats a nice build man I plan on having my crank lightened to the max balanced and knife edged I want my rotating assembly as light as possible and eagle h's is a must along with the 2.3 pump swap and I'm coming to realize the fact that a 086 head is going to be needed as well on any build I'm gonna go with. And Chris the only thing keeping me from a turbo build is I have a boner for roots blowers I have a good idea on how to cool it well that I saw somebody else do and think it will work great but if I can't run 12s with a blower of any responsible size ima eather stuff n2o in it or cry lol maybe twin charge would be a idea but Idk yet I think I can hit my goal via blower with a well thought out build and bad ass tuning!! Brad gave me the twin charge idea I woulda never thought of it lol I was so stuck on blower
I Love My J ♡
if youre going to build an engine, you might as well just turbo it, that way you can start small and if you ever want to go higher you can throw more boost at it. the s/c's are pretty quick to max out, been there done that, on 11psi on my turbo setup i made 400+whp and like 370wtq on pump gas, turn the dial up and watch the power jump as well
SweetnessGT wrote:-Z Yaaaa- wrote:Whalesac wrote:Head flow is the biggest obstacle and is what needs the most attention with these engines.
ding ding ding! we have a winner!
Take it from me - when you overport the head on this engine it becomes a dog below 3000 rpm.
there is more to head work than "flow". just hogging out the ports isnt gonna get you what me and brian are referring to. there is a @!#$ ton of work that can be done in the combustion chambers. PLUS, id like to think HUGE gains could be had by moving the roofs/floors of the ports around so you effectively change the angle at which the air flows. look at a honda head, their valve angles are WAY greater than ours. this helps get the air in and out easier because they are positioned better in proportion to the ports. i also firmly believe this is why the LD9 head is superior to the 086 head.. at least in terms of n/a anyway. the intake ports on an LD9 head are raised way higher than the 086s.
and even still... if you are building an engine thats rev happy you'd better not even be near 3000 rpm at any point in a hit LOL
and yes, ive known about the engine LOL. ah those were the days.. msn hahahaha
cody, if you wanna lighten up the rotating assembly the most your gonna need a set of jet titanium rods. lol something i just so happen to have for sale along with a set of wiseco forged pistons.
get ready to pay though.
and dont let these guys talk to out of a blower. if you want a TVS, i dont see ANY reason why one thats properly set up with meth injection and other cooling goodies could not do 400-450whp on a built LD9. hell they do 350-400whp on the smaller displacement LSJ's in the cobalts for crist sakes...
Edited 1 time(s). Last edited Wednesday, July 31, 2013 7:57 AM
RIP silver car. You will be missed.
I Love My J ♡ 
What about the custom bearings I had made when I blew the first engine up? You were the first person I talked to about that after I came to grips I grenaded a $10,000 engine... haha.