Will this work?
01-21-08, 12:44 PM
#5
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01-21-08, 01:20 PM
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Unlikely.
The stock turbo isnt an average family turbo like you would buy from a turbocharger company.Its made by Hitachi for Mazda,specifically for the rotary engine,so its highly unlikely that any aftermarket parts are gonna bolt up.
Why not just buy a RB 3" downpipe? They have a 3" stainless piece that will bolt right up and it works fine in the 1st gen chassis.Its not expensive at all,Ive been running mine for over 6 years......
http://www.mazdatrix.com/getprice.asp?partnum=16425D
The stock turbo isnt an average family turbo like you would buy from a turbocharger company.Its made by Hitachi for Mazda,specifically for the rotary engine,so its highly unlikely that any aftermarket parts are gonna bolt up.
Why not just buy a RB 3" downpipe? They have a 3" stainless piece that will bolt right up and it works fine in the 1st gen chassis.Its not expensive at all,Ive been running mine for over 6 years......
http://www.mazdatrix.com/getprice.asp?partnum=16425D
01-21-08, 07:09 PM
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Unlikely.
The stock turbo isnt an average family turbo like you would buy from a turbocharger company.Its made by Hitachi for Mazda,specifically for the rotary engine,so its highly unlikely that any aftermarket parts are gonna bolt up.
Why not just buy a RB 3" downpipe? They have a 3" stainless piece that will bolt right up and it works fine in the 1st gen chassis.Its not expensive at all,Ive been running mine for over 6 years......
http://www.mazdatrix.com/getprice.asp?partnum=16425D
The stock turbo isnt an average family turbo like you would buy from a turbocharger company.Its made by Hitachi for Mazda,specifically for the rotary engine,so its highly unlikely that any aftermarket parts are gonna bolt up.
Why not just buy a RB 3" downpipe? They have a 3" stainless piece that will bolt right up and it works fine in the 1st gen chassis.Its not expensive at all,Ive been running mine for over 6 years......
http://www.mazdatrix.com/getprice.asp?partnum=16425D
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01-21-08, 08:19 PM
#9
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The S4 turbo almost always needs to be ported out.Opening up the hole to nearly the size of the wastegate flapper will usually keep things in check with the stock turbo.If you run a hybrid TO4 compressor,the S4 wastegate is extremely inadequate.
The S5 turbo has a better manifold design and twice the wastegate volume.With the stock compressor,you can usually leave the wastegate alone.Ive never had any problems with my stock S5 hotside, and I run a TO4B compressor up to 14psi. In 4th and 5th gear I sometimes see 1-2psi of creep under low RPM/high throttle situations.The the stock compressor just cant move enough air to work well at those levels,so porting shouldnt be needed.
The S5 turbo has a better manifold design and twice the wastegate volume.With the stock compressor,you can usually leave the wastegate alone.Ive never had any problems with my stock S5 hotside, and I run a TO4B compressor up to 14psi. In 4th and 5th gear I sometimes see 1-2psi of creep under low RPM/high throttle situations.The the stock compressor just cant move enough air to work well at those levels,so porting shouldnt be needed.
01-21-08, 08:38 PM
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Im probably just gonna go ahead and get the s4 stock turbo ported while its getting rebuilt...i dont want that much out of it but i think it would be best to go ahead and do it. Once i get everything done that needs to be done now...im going to change up the turbo setup to a gt35r or something that size.
01-21-08, 11:08 PM
#11
If you're running a full 3" exhaust system, port the wastegate. I don't recall if you're running a TII with the stock ecu or turboing a 1st gen engine. If it's a stock S4 TII setup, you will need an FCD to go along with the 3" exhaust and ported wastegate.
01-22-08, 12:02 AM
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Its going to be a S4 TII setup...stock ecu. FCD??
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