Fairmont 5 - 6-28-15 SOLD
07-26-2014, 06:31 AM
#63
i bought a AJE and spring cups, and motor mounts for this build, we will see how it goes, pretty much set on trying twin on3 76s with this car, truck intake.
going to feed one of those dual 2.5 inlet, top 3 inch exit CX racing intercoolers on this car and try to tilt the rad so that pipe can hit the throttle body under the hood latch
going to feed one of those dual 2.5 inlet, top 3 inch exit CX racing intercoolers on this car and try to tilt the rad so that pipe can hit the throttle body under the hood latch
07-26-2014, 08:22 PM
#68
My college buddy did a 77 Buick Riviera with an old school 125 horse powershot plate. It went from 17.80s to best of 14.90s hitting it at the 60'. So, we stacked my plate on top with 150 jets and popped a head gasket. It went like hell though before she coughed. LOL
07-26-2014, 09:45 PM
#69
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07-28-2014, 07:01 AM
#72
Launching!
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Finally one of your builds that runs what it looks like it should run lol. Because all the other builds just make us shake our heads when we see the ETs they run lol
07-28-2014, 09:30 AM
#74
Just a thought…
In theory the best a boosted motor will do is double it’s NA hp per bar of boost. Is there really any advantage going with 76’s over 70’s or smaller? I mean if a stock headed mild cam 5.3 can trap 159 at 3400lbs with no IC on twin BW 66’s, would 76’s be beneficial in anyway? I’d think you’d be adding an *** ton of lag with the huge compressor to exh wheel ratio and not gaining that much. Where some 66/65’s or even 70/65’s would spool up much more quickly.
In theory the best a boosted motor will do is double it’s NA hp per bar of boost. Is there really any advantage going with 76’s over 70’s or smaller? I mean if a stock headed mild cam 5.3 can trap 159 at 3400lbs with no IC on twin BW 66’s, would 76’s be beneficial in anyway? I’d think you’d be adding an *** ton of lag with the huge compressor to exh wheel ratio and not gaining that much. Where some 66/65’s or even 70/65’s would spool up much more quickly.
07-28-2014, 07:22 PM
#78
curious if you went smaller if the packaging and tubing would be easier. I know you won't run the exhaust out back, but some of us don't want it out the fender either. should we be taking up a donation? I'm assuming you're not making money on all these experiments that we are all benefiting from 
07-28-2014, 09:03 PM
#79
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The 76mm On3s aren't very big. 76/68, small A/R compressor and turbine housings. You could do 70s, but don't you already plan on going nuts with it? Wicked69 is running twin 70s and has been running high 5's in the 1/8th with them, so I guess they would still get the job done.
