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05-14-2008, 10:54 AM
#31
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According to the receipt from the fellow I purchased the car from, GT2 heads are part number NPNGT2CH @ $3800 and went along with larger pistons and a $7417 mechanic line invoice to increase motor size to 3.8 Litres???
By the way, I like the fact that the two white cars are out in the rain. I bet they create great rooster tails when taken through a thunderstorm!
Attached image are some of the other toys in my garage and I sure do wish that white GT3RS was there!
By the way, I like the fact that the two white cars are out in the rain. I bet they create great rooster tails when taken through a thunderstorm!
Attached image are some of the other toys in my garage and I sure do wish that white GT3RS was there!
05-14-2008, 11:53 AM
#32
Drifting
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Location: Westlake Village CA.
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With a big HP 3.8 I'd like to see some upgraded rods. For example Carrillo.
I have an invoice from an Andial 3.8 twinplug conversion that is 14 pages of parts alone!
Niiiiiiiiice garage you have there!
I have an invoice from an Andial 3.8 twinplug conversion that is 14 pages of parts alone!
Niiiiiiiiice garage you have there!
05-14-2008, 01:14 PM
#33
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This might explain some of the comments a friend of mine in the SF Bay Area has been making about this engine rebuild, although he admits to being familiar with cars that only have engines well in front of the rear axle. The previous owner spent roughly $27K repairing the motor after he "bent a valve". Can anyone give me an idea of what might be entailed in such a repair, considering an increase to 3.8 litres? The invoice parts list includes items such as pistons, cylinder heads, exhaust valves, exhaust rings, bearings, timing chain, rod bolts and bearings. What else might I expect (or want) to see? Thanks fo rthe guidance
05-14-2008, 06:10 PM
#34
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I'd be more than happy to share that information! The information I've been working with came from the fellow I bought the car from. I fear that I'm not well educated about these things and hope you'll be patient with me. This posting is begining to feel like it belongs somewhere else. Thanks in advance for all your input!
To begin, there is only one page of parts which begin with:
2 separate oil filters (different part numbers)
pistons and cylinders ($5,800)
cylinder heads ($3800)
exhaust valves
valve springs
crankcase gasket
head gasket
rubber o-rings
exhaust rings
exhaust rings (different part number)
sealing ring
bearing set
bearing
timing chain
rod bolt set
rod bearing
intershaft
piston rings (x12)
piston rings (x6)
oil return T
Head Gasket
Timing guide
air filter, plugs (6), oil
Total parts expense $13,875
Labor (as written)
R&R engine//install 3.8 litre kit//installed GT2 cylinder heads and rebuilt as needed $7417
R&R ECU to flash 3.8 specs $129
Road Tested//Check Fuel Map and Boost map//R&R ECU & send out for modification $258
Sublet expense (no detail) $4323
All work was done at the Sport Haus in Reno, NV. in January of 2006. I'm assuming the turbo specs are stock as the repair invoice is silent on that matter.
Thanks again for your time and thoughts.
To begin, there is only one page of parts which begin with:
2 separate oil filters (different part numbers)
pistons and cylinders ($5,800)
cylinder heads ($3800)
exhaust valves
valve springs
crankcase gasket
head gasket
rubber o-rings
exhaust rings
exhaust rings (different part number)
sealing ring
bearing set
bearing
timing chain
rod bolt set
rod bearing
intershaft
piston rings (x12)
piston rings (x6)
oil return T
Head Gasket
Timing guide
air filter, plugs (6), oil
Total parts expense $13,875
Labor (as written)
R&R engine//install 3.8 litre kit//installed GT2 cylinder heads and rebuilt as needed $7417
R&R ECU to flash 3.8 specs $129
Road Tested//Check Fuel Map and Boost map//R&R ECU & send out for modification $258
Sublet expense (no detail) $4323
All work was done at the Sport Haus in Reno, NV. in January of 2006. I'm assuming the turbo specs are stock as the repair invoice is silent on that matter.
Thanks again for your time and thoughts.
05-14-2008, 06:54 PM
#37
Racer
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05-14-2008, 07:04 PM
#38
Nordschleife Master
Ummmmm.... the increase from 3.6 liters to 3.8 liters adds roughly 5% increase in displacement. This can result in a MAXIMUM of a 5% increase in HP. This would mean an increase from the stock 400HP to approx 420HP. If the ECU tune were fairly agressive (in timing and boost), you may get an extra 20HP from that. To maximize that 3.8 liters, you really must have bigger turbos, and as Scott mentions, when you start making really big HP, you might need to change the connecting rods. If you give a moose a muffin...
You may not have 600HP, but you have a great car with plenty of performance. Enjoy.
Is that a Shelby GT350 I see in your garage? Drool.
You may not have 600HP, but you have a great car with plenty of performance. Enjoy.
Is that a Shelby GT350 I see in your garage? Drool.
05-15-2008, 05:53 AM
#39
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As Steve said with stock turbos you will not be able to flow enough air for more than about 440hp maximum but looks a nice build and the 3.8 will be good for a little more low end torque and faster "light up" - enjoy 
