DELCOS NEW RIDE

[Holden202T]

hahaha factory now thats what i call a cold air intake!

[vlad01]

shit! that will make a difference lol.

[delcowizzid]

didnt work any better than the draincore but looks smick LOL

[delcowizzid]

hopefully holden202 reads this .you got and cam figures for black carby v's efi 3.3.think its cam time to try take some stress off this turbo 202.its bottomendy as all hell and falls over real early thinking it may have some form of tow cam it plummits bad over 4000rpm very hard to hit the limiter at 5800 due to how early it falls over thinking its making massive cylinder pressure early in the peice

[Dylan]

From reading around the forums word on the street seems to be that the ecu cam is very similar to the old xu1 cam.

[Holden202T]

nah its not that big!

I normally use Tighe Cams for reference, they seem to have good info on whats close to or is stock!

tighescams.jpg (255.21 KiB) Viewed 3549 times

you can see the EFI cam is a long way off the XU1 (the triple carbs) cam, plus it idles too smooth for XU1 but there is also a XU1 cam that's probably one of the earlier ones.

so now if I was building my geminis turbo motor for a streeter ... I guess I'd probably use a smaller turbo so it spools earlier, but I'd probably choose something from here: http://www.camtechcams.com.au/hold_6cyl_149202_hyd.html

something like CT35 533-113

and the one below it CT35 535-113 is the cam I am running in the Gemini at the moment, with anti pump lifters. I rev mine to about 7000rpm at the drags and have no issues of power and boost to that rpm.

as it is with my GT35 I can't get much boost at all till about 3000rpm and its all in (18-19psi) at ~4500rpm.

also if the head has screw in studs fitted you can also convert it to use VN V6 rockers, these are 1.65 ratio, or you can also get 1.60 roller rockers I believe ..... will add to the air in

[v6bucket]

There was several "XU-1" that Holden used over the years, but it injected motor was probably similar to one of the 186 XU-1 cams with less overlap which will lessen the rough idle.
V8 Holden rockers are also 1.65:1, but you probably have access to plenty of V6 bits.

[delcowizzid]

bit of fun the last couple of days
gearbox is a dick wont change even on 7psi diff gears and twin throttles dont help has a mean idle and sounds like a nissan on high boost as heard in next video LOL
[youtube]https://www.youtube.com/watch?v=3b1THbWxRIA[/youtube]
with no suspension and a bumpy yard certian measures were required for a light throttle 7psi pass so we could get traction and get some foward drive to see how it is actually gonna perform LOL
[youtube]https://www.youtube.com/watch?v=1VmzTloOyj8[/youtube]

[Jayme]

whats it got? a good old Turbo 700 that doesnt shift into third under load?

[delcowizzid]

A t700 with tow shiftkit that doesnt even shift to 2nd properly with boost lol