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Old 01-24-2005, 22:03   #1 (permalink)
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TRI-Y,s anyone use them

After a lot of set backs i,m neally ready for pipes for my BB.Only ones i can find are tri y,s.Just would like to know how they perform on a stroked 460 now 488 up to around 6800 RPM.
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Old 01-24-2005, 22:42   #2 (permalink)
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Re: TRI-Y,s anyone use them

I believe that the tri y are suitable for lower end torque, however you dont need to wory about low end torque when you have 488 cubes. 4 into 1 would be more suitable for 6800rpm.
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Old 01-25-2005, 01:02   #3 (permalink)
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Re: TRI-Y,s anyone use them

I just used a set from www.castleauto.com.au on a 502stroker in an XW with edelbrock aluminium heads.It sees a max of 6000. They are tight out of the head and could be better,but they did fit in the car nice.
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Old 01-25-2005, 13:48   #4 (permalink)
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Re: TRI-Y,s anyone use them

Quote:
Originally Posted by ir33t
4 into 1 would be more suitable for 6800rpm.
Yes i would preffer 4 into 1,s but I can,t seem to find any off the shelf to fit a XW & custom pipes are around 1500 to 2000 to have made.A bit much money for me right now. I will have to go with a set from castleauto thanks Greg.Hey Greg just wondering if you used a c4 or c6 & if you had to alter the crossmember.
Thanks Dale.
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Old 01-25-2005, 21:09   #5 (permalink)
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Re: TRI-Y,s anyone use them

I picked up another 600 revs by changing from tri y's to a 4 into 1, but I'm talking 6400 to 7000 rpm

for what an off the shelf set are going to cost you, hold off if you can and get a custom set made, it will be cheaper to do it now rather than replace the tri y's later on
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Old 01-25-2005, 23:17   #6 (permalink)
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Re: TRI-Y,s anyone use them

Yer I hear what your saying ratter but it,s getting harder to hide the expense from the cook.Had to purchase a few more things than had planned [solid roller and assorted fruit to go with it] thought better to do internals properly .So for now tri-y,s , might be able to cut ends & weld a collector on.
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Old 01-25-2005, 23:47   #7 (permalink)
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Re: TRI-Y,s anyone use them

I actually used an FMX behind the 502..I cut the ends off the tri-y's and had them pumped up to 3".I had to tidy up the pipes inside the collectors a bit.Had 3" flanges welded on and a full dual 3" system fitted.
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Old 01-26-2005, 00:10   #8 (permalink)
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Re: TRI-Y,s anyone use them

That sounds like a plan as i just picked up 2 flowmaster 40 series in 3 inch.
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Old 02-11-2005, 04:39   #9 (permalink)
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Re: TRI-Y,s anyone use them

Quote:
Originally Posted by ir33t
I believe that the tri y are suitable for lower end torque, however you dont need to wory about low end torque when you have 488 cubes. 4 into 1 would be more suitable for 6800rpm.
Would you even rev a 488 to 6800? GEES.
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Old 07-09-2005, 19:46   #10 (permalink)
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Re: TRI-Y,s anyone use them

Quote:
Originally Posted by gregaust
I actually used an FMX behind the 502..I cut the ends off the tri-y's and had them pumped up to 3".I had to tidy up the pipes inside the collectors a bit.Had 3" flanges welded on and a full dual 3" system fitted.
would you have any pics of the exhaust,how did it work out
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