Outer Limits 4x4 Board

I am converting my tb42 to efi using a delco computer off vn and am chasing some info on the std fuel injectors. I have an efi inlet manifold but no injectors so am trying to find suitable injectors. The delco ecu requires high impedance injectors so would prefer these but can use lows with ...

ok dug up me measurements.. Standard: Piston flush with block Head gasket 1.2mm thick @96mm = 8.7cc Measured combustion chamber = 87.8cc using burette and perspex Swept volume = (3.14*9.6^2/4)*9.6 = 695cc therefore compression ratio = (695+(87.8+8.7))/(87.8+8.7) = 8.2:1 now because the actuall ...

i think from std mine measured about 8.3:1 allowing for head gasket thickness when using burette in combustion chamber.
i'll try and remember to dig up the figures..

From a bad memory i took off 2mm to get it up to 9:1.
piston was basicall level with block so just head gasket thickness for squish area.
dodn't even bother checking for valve clearance the cams barely have a bump on em..

ah cool the dirty ol pertronix, i do have a ignitor 2 but it has variable dwell which would prob dick with ecu timings.. the delco setup (all 3.8 v6 and 5l v8 dunnydores) can easily have dual tables but for crank angle uses a proximity sensor on crank and am unsure whether you can replicate it ...

yes have had reasonable search prior to post... looking to change carby to efi with later plans of forced fedness. got tb42 efi inlet manifold and tons of vl rb30 gear lying around and also 3.8 v6 car. don't want gas or maf, rules out nistune for rb30 setup therefore could use kalmaker delco or ...

I have one in my vl turbo, bit of fine soldering required to remove the original chip. checkout calaisturbo forums tons of info on the ol RB30 or skylines australia forum. Nistune is great but i reckon you have other issues (the old wiring looms are pretty crappy these days) One thing often ...

Vickers, did you read all the posts? or diffs under another vehicle?

tb48 completely different configuration motor. ohc vs ohv...
As stated previously what you need to find out is whether you have enough material avail to run last oversize tb45 pistons in your tb42.
Apparantly the tb42 rods are stronger than tb45 but never seen this proven.

I have previously asked whether there is enough metal in the block to bore out to use the tb45 pistons but noone could tell me at the time. You'll also soon be suggested to use a tb45 head as the ports are larger but then you need the exhaust to suit (question your extractor supplier whether they ...

terrain tamer from don kyatt was $125 but was with a capricorn account so that prob trade price.

Well i bought some steel shim from coventrys. hopefully don't have to ruin a pair of scissors cutting it. Turns out diff been apart before and someone used shim previously so will use that if need be. A magnetic bed surface grinder would be handy but.. Took 8 ton to press off the pinion bearing with ...

Yes you can and i have got some from hobzee but these aren't the shims i am talking about.
Toyota's seemingly have endless pinion shim kits avail from the US but no datsun stuff

Sorry to revive this old thread, but These spacers/shims (of which one sets pinion height and the other sets pinion bearing preload) i priced em up from nissan and they $35ea therefore too much too just buy a range and mixn match untill get contact pattern right. My question is will brass shim be ...

Yeah i call it a "Sally Robins"
The aussie rower chick that let the team down haha

c'mon ppl pay the man

Ive had a good search and cannot find out how to do the timing on this motor. Seemingly tons of info on dirty diesels but nothing on this motor.
I am guessing you have to remove a fast idle plug like my vlt but being my mates car want to do it properly.
Cheers

As above, my long range tank hags too low and copt some damage.
Cheers

thanks festy if that don't help me nothing will haha
Cheers

OK so i've gone in on the group buy bought the 4.6:1 ratio's off bbm. And got a bit excited and thought better get a front arb locker while im at it. I have been doing a quick ringaround on prices to setup the C&P if just given the centres (to reduce simple labour time) and have been quoted silly ...

Just wondering, seeing as bearing kits seem woefully expensive can you also offer pinion bearing kits and carrier bearings to suit so some can do a one stop shop?

I have just been ringing round for these, great timing, the 3.9's with 35's suck.
Good time to chuck a front locker in and reshim the lsd, i think it is snowballing again....
Count me in.

on a side note does yours have a glass sight cos mine has steel and therefore cannot check.

Internal beed locks

why not go the 6L mates mate just got one for $3800 brand new in crate.

Yes i agree you won't get exactly 10% more power from the 10% capacity increase, the point was trying to make is if capacity increase is available safely go for it as it is free power. I haven't seen the 4.2 or 4.5 apart so wasn't aware of different oil circuit differences but would imagine it would ...

Yes but if they are the same castings the bore wall thickness would be fine for 4.5L (3.5mm o/s) or you could prob get o/s pistons for the 4.5 and get it out to 4.6 or so and that should be instantly 10% more capacity and therefore 10% more power. I am assuming they are the same casting as the motor ...

I am also keen on boring out 4.2 to 4.5. (96 to 99.5mm from memory). My question that noone could answer was whether the block was thick enough to go out the extra 3.5mm. I believe the conrods are the same length and the combustion volume in the heads are the same in 4.2 and 4.5 therefore the 4.5 ...

AVM crap

That is crazy mans talk ke70 The stroke hasn't changed at all it has only been bored out 1mm (40 thou for you old buggers) and can prob get 1.5mm o/s size pistons as is std oversizes from nissan for tb42 etc. Even if the deck height is different which i gaurantee it isn't if nissan pistons all the ...