FP Exclusive 1st: The VQ35HR Dissected
04-21-2007, 12:06 PM
#47
Originally Posted by andypandy
supposedly the HR is 80% internally different from the DE... i wonder what has been changed? perhaps more stout internals to handle overall abuse? if that's the case, then i can see a head gasket swap to lower compression for mild levels of FI.. just like toyomoto established for the 2jge (non turbo supra motor).
interesting though... seems like a LOT of the clutter has been minimized for far more efficiency in space and weight savings.
how are the motor mounts placement of the block? is it the same with the DE?
interesting though... seems like a LOT of the clutter has been minimized for far more efficiency in space and weight savings.
how are the motor mounts placement of the block? is it the same with the DE?
New block with taller deck height and full crank brace integrated into the block, instead of DE's crank girdle.
New crank with larger main and rod journals
Longer conrods that are forged
New assymetrical pistons( ala GT3)
Different front cover to acomodate new block and heads
New head design with square intake ports and diferent combustion chambers
New electromagnetic exhaust cam phasing and different location of CVTC solenoids from DE engines
Of course new composite intake manifold with twin TB's
New serpentine belt system replaces dual belt set-up on the DE
As mentioned, new exhaust manifolds
I think that covers the basic changes.
Will
04-21-2007, 02:55 PM
#50
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Originally Posted by Sharif@Forged
Maybe Jeremy can post some...he took more pics. If not, I can snap some later on and post them.
04-21-2007, 03:44 PM
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Originally Posted by Resolute
There are several posts on the HR and what has changed. The major points are:
New block with taller deck height and full crank brace integrated into the block, instead of DE's crank girdle.
New crank with larger main and rod journals
Longer conrods that are forged
New assymetrical pistons( ala GT3)
Different front cover to acomodate new block and heads
New head design with square intake ports and diferent combustion chambers
New electromagnetic exhaust cam phasing and different location of CVTC solenoids from DE engines
Of course new composite intake manifold with twin TB's
New serpentine belt system replaces dual belt set-up on the DE
As mentioned, new exhaust manifolds
I think that covers the basic changes.
Will
New block with taller deck height and full crank brace integrated into the block, instead of DE's crank girdle.
New crank with larger main and rod journals
Longer conrods that are forged
New assymetrical pistons( ala GT3)
Different front cover to acomodate new block and heads
New head design with square intake ports and diferent combustion chambers
New electromagnetic exhaust cam phasing and different location of CVTC solenoids from DE engines
Of course new composite intake manifold with twin TB's
New serpentine belt system replaces dual belt set-up on the DE
As mentioned, new exhaust manifolds
I think that covers the basic changes.
Will
thats a whole different engine game, i know it can handle alot more now
04-21-2007, 05:43 PM
#54
I wonder if the hr headers will bolt on to revups?
I know right now you can buy at least one side of the hr headers fora little over $300 at everythingnissan.com
http://www.trademotion.com/partlocat...=1&catalogid=2
I know right now you can buy at least one side of the hr headers fora little over $300 at everythingnissan.com
http://www.trademotion.com/partlocat...=1&catalogid=2
Last edited by jonnylaw; 04-21-2007 at 05:50 PM.
04-21-2007, 06:11 PM
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stupid question but does anyone know if the final drive is the same as the older models? I guess what I'm what I'm wanting to know is is there any changes on the gearing on the tranny or final drive?
brooke
brooke
04-22-2007, 08:38 AM
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Originally Posted by brooke
stupid question but does anyone know if the final drive is the same as the older models? I guess what I'm what I'm wanting to know is is there any changes on the gearing on the tranny or final drive?
brooke
brooke
Final drive is the same.