Quote:
Originally Posted by hgerhardt
I've got the big 3" Super Turbos in my '66 GTO (and Doug's round-ports) but the car was still way too loud for me. I then installed those little "resonator"-looking things: http://www.dynomax.com/mufflers/race...und-24405.html and those made just enough difference to make it tolerable.
Also, just looked at the Dynomax website and it looks like they no longer have the long-case 3" offset/offset that's the correct configuration for '64-'72 A-bodies... might want to call them to verify. |
Did you put them in the tailpipes or in front of the mufflers? I’ve been thinking of trying those even though the long case Ultraflow’s and 3” pipes are tolerable.
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68 GTO,3860#
Stock Original 400/M-20 Muncie,3.55’s
13.86 @ 100
Old combo:
462 10.75 CR,,SD 330CFM Round Port E's,Old Faithful cam,Jim Hand Continental,3.42's.
1968 Pontiac GTO : 11.114 @ 120.130 MPH
New combo:
517 MR-1,10.8 CR,SD 350CFM E's,QFT 950/Northwind,246/252 HR,9.5” 4000 stall,3.42's
636HP/654TQ
1.452 10.603 @ 125.09
http://www.dragtimes.com/Pontiac-GTO...lip-31594.html
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