2wd cossie
04-12-2012, 06:59 PM
#1
2wd cossie
Hi
Ive got a 2wd saff cossie.
And ive just got hold of a complete 200 blocked cossie lump and was wondering if i can use the complete engine or will i need to replace the head for a 2wd one.
I know i need to replace the sump and pick up, but is there anything else i need to replace.
What power am i likely to have if i fit a t34 turbo?
Cheers
Mark
Ive got a 2wd saff cossie.
And ive just got hold of a complete 200 blocked cossie lump and was wondering if i can use the complete engine or will i need to replace the head for a 2wd one.
I know i need to replace the sump and pick up, but is there anything else i need to replace.
What power am i likely to have if i fit a t34 turbo?
Cheers
Mark
09-12-2012, 09:47 PM
#3
Too many posts.. I need a life!!
I run a 205 block with a 4x4 head in my 2wd saph. You will need to make a couple of small changes under the bonnet.
The loom will need altering as one of the sensors is on the opposite side of the head.
The 4x4 head has an oil feed for the turbo right next to the turbo, whereas the 2wd has the feed under the coolant sensor on the inlet side of the block. I use the 2wd oil feed still, and blocked off the 4x4 head outlet with a threaded bung.
Bear in mind the coolant hoses are different as the thermostats are different shapes, as are the header tanks. So if you go complete 4x4 engine (as is) you will also need a new set of hoses (iirc the thermostat housings have 3 bolts on 2wd but 4 bolts on 4x4 so not swappable) and the hard pipe on the radiator too.
As mentioned before, the exhaust manifolds are different. The 2wd manifold is regarded as better, as it is less restrictive so makes more power, but you will need the triangular turbo damper. Auto Specialists I think it is do 2 types depending on the power you are running (3 or 5 mounting points).
There is also differences in the dizzy cap and oil filter but I can't see why you can't decide on personal preference with them, unless anyone else can explain why not.
Think that's about it.
cheeRS
The loom will need altering as one of the sensors is on the opposite side of the head.
The 4x4 head has an oil feed for the turbo right next to the turbo, whereas the 2wd has the feed under the coolant sensor on the inlet side of the block. I use the 2wd oil feed still, and blocked off the 4x4 head outlet with a threaded bung.
Bear in mind the coolant hoses are different as the thermostats are different shapes, as are the header tanks. So if you go complete 4x4 engine (as is) you will also need a new set of hoses (iirc the thermostat housings have 3 bolts on 2wd but 4 bolts on 4x4 so not swappable) and the hard pipe on the radiator too.
As mentioned before, the exhaust manifolds are different. The 2wd manifold is regarded as better, as it is less restrictive so makes more power, but you will need the triangular turbo damper. Auto Specialists I think it is do 2 types depending on the power you are running (3 or 5 mounting points).
There is also differences in the dizzy cap and oil filter but I can't see why you can't decide on personal preference with them, unless anyone else can explain why not.
Think that's about it.
cheeRS
11-12-2012, 01:44 AM
#4
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If you plan on sticking with the T34 then a 4x4 exhaust manifold is perfectly useable and removes the requirement for the turbo damper too.
The 2wd exhaust manifold does flow better at the top end which is required for higher power cars.
But generally use the 4x4 engine as it has better oil and water ways and the stronger 200 block.
The 2wd exhaust manifold does flow better at the top end which is required for higher power cars.
But generally use the 4x4 engine as it has better oil and water ways and the stronger 200 block.
11-12-2012, 05:48 PM
#5
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Sorri to jump in on ur thred I just put 200 block in my saph I dident change oil pick up or pump just sump should I of changed oil pick up or is it ok with 4wd pick up an that
13-12-2012, 07:43 PM
#6
I run a 205 block with a 4x4 head in my 2wd saph. You will need to make a couple of small changes under the bonnet.This combo on a std 4x4 head will have increased compression 4x4 block and pistons with a std 2wd head will have lower comp than the std 8.0 to 1
The loom will need altering as one of the sensors is on the opposite side of the head. Temp sensor for gauge Brown with white trace. 2wd mounted lhs front of head 4x4 under coolent temp sender.
The 4x4 head has an oil feed for the turbo right next to the turbo, whereas the 2wd has the feed under the coolant sensor on the inlet side of the block. I use the 2wd oil feed still, and blocked off the 4x4 head outlet with a threaded bung. This is the better option for oil feed.
Bear in mind the coolant hoses are different as the thermostats are different shapes, as are the header tanks. So if you go complete 4x4 engine (as is) you will also need a new set of hoses (iirc the thermostat housings have 3 bolts on 2wd but 4 bolts on 4x4 so not swappable) and the hard pipe on the radiator too.Use 2wd water pump and thermostat housing and retain all 2wd pipes cheaper option. Only the very early 2wd 3dr heads have a 2 bolt head design all others can either use 2wd or 4x4 housings stat for a 4x4 are expensive around 40 notes
As mentioned before, the exhaust manifolds are different. The 2wd manifold is regarded as better, as it is less restrictive so makes more power, but you will need the triangular turbo damper. Auto Specialists I think it is do 2 types depending on the power you are running (3 or 5 mounting points).4x4 manifold will give an increase in torque over the 2wd
There is also differences in the dizzy cap and oil filter but I can't see why you can't decide on personal preference with them, unless anyone else can explain why not. Later 4x4 dizzy is shorter in design hence the top entry type cap.
Think that's about it.
cheeRS
The loom will need altering as one of the sensors is on the opposite side of the head. Temp sensor for gauge Brown with white trace. 2wd mounted lhs front of head 4x4 under coolent temp sender.
The 4x4 head has an oil feed for the turbo right next to the turbo, whereas the 2wd has the feed under the coolant sensor on the inlet side of the block. I use the 2wd oil feed still, and blocked off the 4x4 head outlet with a threaded bung. This is the better option for oil feed.
Bear in mind the coolant hoses are different as the thermostats are different shapes, as are the header tanks. So if you go complete 4x4 engine (as is) you will also need a new set of hoses (iirc the thermostat housings have 3 bolts on 2wd but 4 bolts on 4x4 so not swappable) and the hard pipe on the radiator too.Use 2wd water pump and thermostat housing and retain all 2wd pipes cheaper option. Only the very early 2wd 3dr heads have a 2 bolt head design all others can either use 2wd or 4x4 housings stat for a 4x4 are expensive around 40 notes
As mentioned before, the exhaust manifolds are different. The 2wd manifold is regarded as better, as it is less restrictive so makes more power, but you will need the triangular turbo damper. Auto Specialists I think it is do 2 types depending on the power you are running (3 or 5 mounting points).4x4 manifold will give an increase in torque over the 2wd
There is also differences in the dizzy cap and oil filter but I can't see why you can't decide on personal preference with them, unless anyone else can explain why not. Later 4x4 dizzy is shorter in design hence the top entry type cap.
Think that's about it.
cheeRS
Hope this helps a bit
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13-12-2012, 08:31 PM
#8
I did this and used it on a track car with shit suspension (lots of roll) and no worries. Same car but improved over the years e.g. 18" slicks etc and it was still fine.
Someone will want to sell you a sump tho lol.
13-12-2012, 10:16 PM
#9
Too many posts.. I need a life!!
I was advised to use pistons with valve cutouts and they are dished rather than flat topped, probably due to the compression issue. Sorry I forgot to mention that before.
Thanks to costina for filling in the missing details. All fairly straight forward though.
cheeRS
Thanks to costina for filling in the missing details. All fairly straight forward though.
cheeRS
Last edited by cossiedad; 13-12-2012 at 10:18 PM.
13-12-2012, 11:59 PM
#10
4x4 exhaust manifold gives quicker spool up and better torque and only becomes restrictive around 400-450bhp, 4x4 inlet manifold is a massive upgrade to 2wd item
4x4 cooling system is a good upgrade from 2wd so would use 4x4
i would also change oil pump and pickup to 2wd if using 2wd sump as they are not fully swappable from 4x4 to 2wd and can cause oil surge if used with wrong sump,pump,pickup combo
4x4 cooling system is a good upgrade from 2wd so would use 4x4
i would also change oil pump and pickup to 2wd if using 2wd sump as they are not fully swappable from 4x4 to 2wd and can cause oil surge if used with wrong sump,pump,pickup combo
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