pump gas 489 BBC 1972 Nova drag race
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- เผยแพร่เมื่อ 28 มิ.ย. 2016
- took my 72 Nova to test and tune. this pass was 10.86 seconds @ 122.8 MPH, 1.49 60'. the engine is a ~9.9 compression 489, with AFR 265 oval port heads and a 1050cfm 4150 style carb. the converter is a 3800 trans specialties converter. it runs on 255x60x15 MT drag radials
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Nice that thing sounds good keep it coming 👀 🍿
Awesome pass!! She sounds great!!! New subscriber!!
Nice pass!
Hey man, how much did the car weigh? And what was your horsepower/torque numbers I’m trying to get an estimate for my 75 Nova, which will be 3200 pounds with 560 hp and 600 foot pound of torque
With the exhaust and oem type tank I'd say it was 3400 ish for this video. I now have two tanks. One for road trips and a 2 gallon for race fuel. The big tank needed 12-15 gallons to not slosh from the pickup when it launched. 70 or more lbs of fue is a decent amount. I've weighed my exhaust and dropped another 55 to go open header. That frees up power and weight. My old 3-inch flowmasters were costing me .4 seconds at the track. Since 2016 I've had at least a 6 pt moly cage. Now it's 8.5 cert. Pre cage less 65 lbs
@@bure4me yeah cool well thank you very much. My Nova has the stock 23 gallon tank it’s just gonna be a street rod/daily while I’m in high school so I do have to take an account the weight in gas as well.
@@bure4me what were your power numbers on this motor?
@jakegrassi6785 the 489 was less that like 9.8:1 Nad made 585/590
how much hp?
This is the only combo I had on an engine dyno and it made 583hp/592lb ft
So you ran a 10.8? With 3800 stahl n 373 gear?
I learned a ton after this. It had heavier springs in a mechanical advanced distributor. That was later worth nearly a tenth in the 60' when i went to the lighter springs, bringing the timing in sooner.. The flowmasters I had were worth another nearly 4 tenths.
@@bure4me any clue what my setup will run? 427bbc with gm 290 heads 110cc n 2.19 valves. Team G single plane intake. Erson hr cam duration at 50 is 242/ 250 585/585 lift 11.1 compression
@@Megan24Nichole any other work to the heads? Specifically porting? Did the exhaust valve also go larger? I have an old desktop dyno application if I can get flow numbers for the heads online
@@Megan24Nichole what size carb? header primary tube size?
@@bure4me no porting or anything. Stock exhaust valves, 1 7/8 headers. 850 carb
what cam is in it?
largos7289 it was running a mike jones custom hyd roller 251/257 @ .050 .612 lift on a 108 lsa. There is a dyno video under my page. it made 585 hp 593lb ft
the new combo was on the dyno yesterday
So how did it pull? New cam?
I messed with the tuning for attitude during Rocky mtn raceweek and it hasn't been as fast since. before leaving in July heat (2500' DA) the car went 10.61 at 127. the old combo had the benefit of a 3.73 gear and now I run 3.25s in a 9".
that's a 10.5 car easy need to leave harder
That one spun a rod bearing a month later. It's a 496 now running a best of 10.06 with open headers