cossie891

iTrader: (1)

As above who runs a T4 and what is your spec

Nash

iTrader: (3)

I did and will build the car again to the same spec.

T4
7.7:1 comp
Mildly ported head
AB07 cam
ST inlet
RS500 cooler
Greys

Very basic set up and very very old Skool but I like it.

cossie891

iTrader: (1)

What did that pull like pal

I was talking on the rsoc about a T4 but have been convinced to stay with my 34 fit my greys and live map it

Paul_RS

iTrader: (4)

Greys

You'd want the likes of Siemens matey, more modern.

It all depends what you want from the car though?

cossie891

iTrader: (1)

I have the greys already

Sticking with a 34 tho

Just want a fast road car

Nash

iTrader: (3)

It pulled very well tbh. It's basically the spec rs500 owners used to go for if they didn't hook up all 8 injectors.

55s and Greys are very similar injectors. Tbh 83s would have been better, but at the time I had mine done 6-7years ago it wasn't as common. I am quite picky on who I would let map my car as well.

The car ran 28psi for 5 years and was tracked, held flat out in 5th, and all ways driven hard and never failed due to the mapping.

cossie891

iTrader: (1)

Fair shout pal how laggy was it

Nash

iTrader: (3)

Its a T4 there all laggy bud.

TBH a T34 is easier to live with everyday but I loved the car on the T4 so I will do it again.

You have to work a lot more with a T4 compared to a T34, there not for everyone tbh.

cossie891

iTrader: (1)

Ok cool I do love the way my 34 comes in and would hate to ruin it

cossie891

iTrader: (1)

But I also love it hard boost so what are my options can I get my 34.63 mapped wig massive boost

Mark Shead

You can have the power of a t4 and better response that a t34. You just need to look at modern turbo tech to achive it.

Mark

cossie891

iTrader: (1)

I know nothing about turbos lol

Mark what could a T34 run? With greys ported head 500 cooler std cams .5 bottom end pocketed I know I should prob cam it but for now std

jontysafe

Mark, just out of interest does anyone have an efr on weber or is everyone aftermarket ecu?

Mark Shead

Aftermarket on all of them so far.

Mark

BRAMMER

iTrader: (23)

At the minute Siemens aren't available anywhere so old injectors are the only way unless you can find someone to part with Siemens

I advised using the T34 due to the fact he's using 403's, 500 cooler, standard motor etc - Mark tell him how much a BW turbo, manifold, full 200 engine to spec and Autronic mapped and ready to roll is chances are you won't get change out of Ł15k if thats even enough by the time you've sourced a decent block and crank

cossie891

iTrader: (1)

Hello Chris. Defo sticking with the 34 mate just nice to read other peoples opinions on a T4

Caddyshack

Good point although Mark has some std engines running over 400 bhp on the bw efr.

But my , engine loom, coils on plugs,1000cc injectors plus the eventual Borg Warner with manifold will be over Ł6.5k

Then it is likely to need the diff(s) and a decent box eventually...and some brakes.

Even my cam cover was Ł100 for a second hand one, then a breather machined in,7mm off the plug holes to suit the coils and a refurb and polish....comes to another Ł300 plus some shipping and that's without a gasket set.

It does cost a lot to do it right!

cossie891

iTrader: (1)

Caddy I won't need any of that tho if I do go T4

Caddyshack

Very true, I was giving a comparison based on modern turbos that spool better than t34 with much more puff than a t4.

Just sticking with the same turbo and ditching the 20 yr old connectors and management would make a huge difference though, especially if properly mapped.

Mine was on L8 with pectel on Bahjoo chip with greens on t34 but It seemed silly to stick with anything relying on an old fashioned distributor.

If you want decent boost kick and low lag then modern offers a lot of solutions but at big cost.

I think many people spend fairly big money on cossied but get disillusioned after the unreliability but a little more cost can give modern reliability and better drive ability

cossie891

iTrader: (1)

Ok cool it was a pipe dream tbh will get it mapped with my 34 and get a T4 at a later date

Caddyshack

I expect the remap will be a massive improvement

cossie891

iTrader: (1)

Hope so really anxious now lol and scared a little lol

Moonstone Steve.

iTrader: (2)

T4 on mine, spec is a full Turbosystems engine to suit, not had it mapped yet but it already makes boost at 2500 rpm.
Pm Jimbo he has one and loves it and Rog has one on his saph with a standardish engine and loves it (although hates breaking 4wd boxes).

Steve

cossie891

iTrader: (1)

Lol that does sound nuts

little bram

My brother had one on his 4wd with standard engine and 4wd ex manifold and I loved it, it was better than mine and I had a t38 his seemed to rev a lot faster than mine and he was through his gears a lot quicker when we came off rounder bouts and things like that.

cossie891

iTrader: (1)

Hmm one day have to get a T4

J1mbo

iTrader: (1)

Massive love for my t4 engine, it took alot of work to get it where I wanted it but the power is awesome, they are a little lazy coming on boost but why would I be doing 3.5k if I wanted to go fast lol
Engine spec is crucial standard engine is so so poor for a t4..

Staffi

iTrader: (1)

Big lad speaks sense ^^^^^^^

cossie891

iTrader: (1)

I will get one one day

Caddyshack

What is it on a non std engine that makes the T4 better, is it flowed head, cams, compression, mapping? interesting stuff....

I know what you mean, if you go out to drive FAST then it almost adds to the fun, I guess it depends on what it gets used for. On my pug I want low down as I find that it feels a bit all or nothing and too easy to get caught knapping with the boost. F40s are similar it's like woah here we go.....

cossie891

iTrader: (1)

Is mine classed as std tho
Std std crank
.5 bore with pocketed pistons
Ported head
500 cooler
Std cams
Can't remember the rest lol

cossie891

iTrader: (1)

Was built 3k ago

matthewpickup

so would the more modern turbo be a gt30? at this stage , or does it depend on which housings are bolted to the gt30?

Caddyshack

I think the GT30 is still old technology compared to the true modern stuff? .we are talking about the Borg Warner efr twin scroll and the like...3 yr old technology vs 20 yr old iirc.

A Garrett on L6 / L8 is pretty much all 20 yr old tech, compared to new aftermarket ecu and Borg Warner's properly mapped live / rolling roaded, especially with new looms and coil on plugs vs the old distributor set ups.

Moonstone Steve.

iTrader: (2)

Would need a decent inlet cam at least mate

Steve

cossie891

iTrader: (1)

What cam mate will get one later in the year possibly

little bram

What's the different between a 4wd/200 yb and a rs500 engine? weren't t4's fitted to them standard? like as in different in head/block not manifolds injectors and turbo.

matthewpickup

ah right I get you