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03-16-2013, 09:14 PM
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#1
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Junior Member
Join Date: Mar 2013
Age: 34
Posts: 3
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Boss 302R heads for 2011 5.0 are they worth it
I am debating if I should get the boss 302R cylinder heads I just don't know if they will even make a difference performance wise
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03-16-2013, 10:53 PM
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#2
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Senior Member
Join Date: Aug 2012
Age: 37
Posts: 459
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No, have yours ported, you will get much better gains.
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03-17-2013, 02:20 AM
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#3
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Senior Member
Join Date: Mar 2013
Location: Carrollton
Age: 36
Posts: 217
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umm...depends on if the person you are going to knows how to port and polish heads and do a 5 angle valve job.
i'd imagine the heads are probably pretty expensive to buy for little horsepower gain.
__________________
2013 Performance White Boss 302
-Stock
2002 Mineral Gray GT
-VT engines Stage 2 N/A cams, full SLP exhaust, 4.10 gear...etc.
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03-17-2013, 07:14 AM
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#4
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Senior Member
Join Date: Sep 2012
Location: Saginaw
Age: 39
Posts: 903
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03-17-2013, 01:19 PM
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#5
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Junior Member
Join Date: Mar 2013
Age: 34
Posts: 3
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I think ill just go with kooks headers and x pipe and boss 302 manifold instead maybe further on down the road ill get some heads
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03-17-2013, 04:22 PM
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#6
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Scared to race Steve
Join Date: Jun 2012
Location: Hiding from Steve
Age: 43
Posts: 2,646
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I got my stock heads ported.
__________________
Originally Posted by SlowGreyGT
I agree. A stick car shocks the tires MUCH harder and does it several times going down the track. With a big power stick car, the car is much more unsettled going down the track making it more of a challenge to ET well. A well running auto car is nothing more than just point and shoot. Which is great for a track car taking a lot of driver error out of the equation.
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03-18-2013, 12:57 AM
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#7
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Senior Member
Join Date: Sep 2012
Location: Saginaw
Age: 39
Posts: 903
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Originally Posted by BLK2012GT
I got my stock heads ported.
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Who did the work and did you get before and after numbers?
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03-18-2013, 01:29 AM
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#8
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Scared to race Steve
Join Date: Jun 2012
Location: Hiding from Steve
Age: 43
Posts: 2,646
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Originally Posted by Luke
Who did the work and did you get before and after numbers?
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It's whoever Truestreet sent them to I believe somewhere in Houston. And the engine isn't together yet so I don't have any numbers
__________________
Originally Posted by SlowGreyGT
I agree. A stick car shocks the tires MUCH harder and does it several times going down the track. With a big power stick car, the car is much more unsettled going down the track making it more of a challenge to ET well. A well running auto car is nothing more than just point and shoot. Which is great for a track car taking a lot of driver error out of the equation.
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03-18-2013, 07:50 AM
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#9
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Senior Member
Join Date: Sep 2012
Location: Saginaw
Age: 39
Posts: 903
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Oh ok, didn't know if that was something you had previously done. Have you got an ETA on your car?
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03-18-2013, 11:51 AM
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#10
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Scared to race Steve
Join Date: Jun 2012
Location: Hiding from Steve
Age: 43
Posts: 2,646
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Originally Posted by Luke
Oh ok, didn't know if that was something you had previously done. Have you got an ETA on your car?
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Hopefully by the end of the month.
__________________
Originally Posted by SlowGreyGT
I agree. A stick car shocks the tires MUCH harder and does it several times going down the track. With a big power stick car, the car is much more unsettled going down the track making it more of a challenge to ET well. A well running auto car is nothing more than just point and shoot. Which is great for a track car taking a lot of driver error out of the equation.
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03-18-2013, 12:03 PM
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#11
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I> /\/\
Join Date: Jun 2012
Location: A fender ahead of BlownAltered
Posts: 7,562
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Originally Posted by BLK2012GT
Hopefully by the end of the month.
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03-18-2013, 02:20 PM
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#12
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Scared to race Steve
Join Date: Jun 2012
Location: Hiding from Steve
Age: 43
Posts: 2,646
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Originally Posted by steve
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f u
__________________
Originally Posted by SlowGreyGT
I agree. A stick car shocks the tires MUCH harder and does it several times going down the track. With a big power stick car, the car is much more unsettled going down the track making it more of a challenge to ET well. A well running auto car is nothing more than just point and shoot. Which is great for a track car taking a lot of driver error out of the equation.
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03-18-2013, 01:37 PM
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#13
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Senior Member
Join Date: Aug 2012
Age: 37
Posts: 459
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To put it into perspective, a bone stock 2013 manual 5.0 makes around 390 ish rwhp.. (Just an average number) a 2013 boss 302 makes about 405 rwhp (again just an average number) so that's 10-15 hp over a std gt car... Although the entire power band is different but you get the point. Get your heads ported there will be much better gains.
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03-20-2013, 04:28 AM
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#14
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Senior Member
Join Date: Jun 2012
Location: Plano TX
Posts: 383
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Re: Boss 302R heads for 2011 5.0 are they worth it
BLK2012GT get flow numbers on the heads before and after as that'll be helpful to all of us. Also will they be port matching the heads to your intake? Thanks!
__________________
2010 GT500
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03-20-2013, 11:47 AM
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#15
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Scared to race Steve
Join Date: Jun 2012
Location: Hiding from Steve
Age: 43
Posts: 2,646
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Originally Posted by Yagermeister
BLK2012GT get flow numbers on the heads before and after as that'll be helpful to all of us. Also will they be port matching the heads to your intake? Thanks!
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I'll find out some numbers but I believe he ported ones are flowing 30 or more CFM over the stock heads.
__________________
Originally Posted by SlowGreyGT
I agree. A stick car shocks the tires MUCH harder and does it several times going down the track. With a big power stick car, the car is much more unsettled going down the track making it more of a challenge to ET well. A well running auto car is nothing more than just point and shoot. Which is great for a track car taking a lot of driver error out of the equation.
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