should i go zvh ??
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should i go zvh ??
ok doke
wel as some may have read my rings on my cvh 1600 is fuked,
was gona put new rings n pistons in it but now thinking of goin zetec,
whats involed,
wil i use 2.0 or 1.8 also what sort of cost all in,i can do the work myself with a hand for a few mates,
any tips wil be great.
sean
wel as some may have read my rings on my cvh 1600 is fuked,
was gona put new rings n pistons in it but now thinking of goin zetec,
whats involed,
wil i use 2.0 or 1.8 also what sort of cost all in,i can do the work myself with a hand for a few mates,
any tips wil be great.
sean
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depends what you want. imo you can do a 2.1 zvh cheeply and get a respectable 200 bhp.
first off good 2.0 zetec bottom end. so you dont need any work done on the crank or big ends. Ł50-100
use let pistons brought mine Ł40 these can handle 330 bhp.
standard zetec rods good for 250bhp these will need machining to accept the pistons. cost about Ł30. also little end bearings ask your engine builder.
block will need machining about Ł80.
head bolts and conversion plates Ł30
cvh 1.3 cam belt tentioner about Ł25. if you cant find 1 contact me.
head gasket to allow the bigger bores, felpro Ł40 may get cheeper if you look around.
to be on the safe side arp rod bolts Ł60 and piston rings Ł50
think thats most stuff
total about Ł450
not the best build for over 250bhp but good for the money
first off good 2.0 zetec bottom end. so you dont need any work done on the crank or big ends. Ł50-100
use let pistons brought mine Ł40 these can handle 330 bhp.
standard zetec rods good for 250bhp these will need machining to accept the pistons. cost about Ł30. also little end bearings ask your engine builder.
block will need machining about Ł80.
head bolts and conversion plates Ł30
cvh 1.3 cam belt tentioner about Ł25. if you cant find 1 contact me.
head gasket to allow the bigger bores, felpro Ł40 may get cheeper if you look around.
to be on the safe side arp rod bolts Ł60 and piston rings Ł50
think thats most stuff
total about Ł450
not the best build for over 250bhp but good for the money
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i really want to go zetec eh,have a ported and polished head newman cam and pulley,also got a t34 turbo so should go wel together,
if i can build the bottom end for aroun 500 i should be able to aford that,
if i can build the bottom end for aroun 500 i should be able to aford that,
#12
focus rs 1672
Originally Posted by B1G_RST
i really want to go zetec eh,have a ported and polished head newman cam and pulley,also got a t34 turbo so should go wel together,
if i can build the bottom end for aroun 500 i should be able to aford that,
if i can build the bottom end for aroun 500 i should be able to aford that,
#14
focus rs 1672
no its a stg3 t3 hybrid turbo,good enough for 280bhp,t34 imo is too big for your spec and 1.6cvh's really dont benefit from it at all contrary to what people on this board say
#15
Go for a decent intercooler, ported head and cam and you rebuild the CVH with a decent chip you will have a reliable 200bhp.
The prices quoted for the ZVH in reality are for a engine which will still be limited by the management used if standard and not perform as expected unless you have a good ported CVH head anyway.
I hope nobody here is going to suggest that a standard non heavily ported CVH head flows as much as the standard 16v head you are going to take off.
Why do you think all the people with ST170 heads are not throwing them away to put CVH heads on them ??
The prices quoted for the ZVH in reality are for a engine which will still be limited by the management used if standard and not perform as expected unless you have a good ported CVH head anyway.
I hope nobody here is going to suggest that a standard non heavily ported CVH head flows as much as the standard 16v head you are going to take off.
Why do you think all the people with ST170 heads are not throwing them away to put CVH heads on them ??
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As above, why spend extra dough and fuck about with tensioners, blanking oilways etc to throw away a better head? It's not gona run to it's potential either way without mgment, so do it properly, or just get another re-con cvh.
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ok guys cheers for infoe,so yous rekon th cvh will be fine,the head has been ported and polished have a fullwidth intercooler and unlimited boostchip,
sean
sean
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i was running a 1.9 with a ported head a big intercooler and a few other stuff i had it set up on mfi and was rr'ed at 200 @wheels with 12 psi, imo and personal preferance running a 2.1zvh is the option for me because if i want more power i can change the management and rods and push for 300+ to get that kind of power out of a cvh all the internals need changing costing 600+ then still needing management. why im not running a zetec head is due to the cost of management as like alot of people can't afford it all at once. that just my opinion
juffer
juffer
#20
focus rs 1672
Originally Posted by juffer
i was running a 1.9 with a ported head a big intercooler and a few other stuff i had it set up on mfi and was rr'ed at 200 @wheels with 12 psi, imo and personal preferance running a 2.1zvh is the option for me because if i want more power i can change the management and rods and push for 300+ to get that kind of power out of a cvh all the internals need changing costing 600+ then still needing management. why im not running a zetec head is due to the cost of management as like alot of people can't afford it all at once. that just my opinion
juffer
juffer
#21
Originally Posted by juffer
running a 2.1zvh is the option for me because if i want more power i can change the management and rods and push for 300+ to get that kind of power out of a cvh all the internals need changing costing 600+ then still needing management. why im not running a zetec head is due to the cost of management as like alot of people can't afford it all at once. that just my opinion
juffer
juffer
I believe that Christian does 300+ on a standard virgin crank on his CVH and I dare say that few ZVH's are doing 300+ with the standard pistons and compression ratio of the zetec for a long time... which would suggest that the rods, pistons and compression ratio would require attention in both cases not to mention head and cam work
If your comparing the prices of doing a ZVH from scratch with all the machining work, the additional extra parts to make it all fit against a tuned CVH the bang for the buck imho is quite similar.
If I was given a standard RST and a small budger to modify it, I would do good intercooler, head, cam and chip any day over block change because untill these parts are of high quality and performance you will never ever see the performance offered by the block imho
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Originally Posted by JamboRST
what turbo was that on
im not by all means saying that the cvh is week as i personally think the cvh is a good engine but what im saying is that if i was going to rebuild a bottom end (like i am doing) i would build a 2.1 over a 1.6 which in my opinion would give easer power gains.
#23
focus rs 1672
Originally Posted by juffer
Originally Posted by JamboRST
what turbo was that on
im not by all means saying that the cvh is week as i personally think the cvh is a good engine but what im saying is that if i was going to rebuild a bottom end (like i am doing) i would build a 2.1 over a 1.6 which in my opinion would give easer power gains.
200@wheels on a stg 3 t3 on 12 psi sounds a bit optimistic to say the least,still on mfi makes it look even worse
#24
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Originally Posted by JamboRST
Originally Posted by juffer
Originally Posted by JamboRST
what turbo was that on
im not by all means saying that the cvh is week as i personally think the cvh is a good engine but what im saying is that if i was going to rebuild a bottom end (like i am doing) i would build a 2.1 over a 1.6 which in my opinion would give easer power gains.
200@wheels on a stg 3 t3 on 12 psi sounds a bit optimistic to say the least,still on mfi makes it look even worse
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