The SB2 LT1 is together....
05-22-2005, 03:02 PM
#1
The SB2 LT1 is together.... Well here are some pics. The accessory bracket and stuff is just for mock-up. I've got a Jones Racing power steering pump and an MSD alternator on separate brackets for it.
They are in this album:
http://community.webshots.com/album/292725360ZcDcxX
Here's some pics of the body work as well:
http://community.webshots.com/album/350561457jLwyuM
They are in this album:
http://community.webshots.com/album/292725360ZcDcxX
Here's some pics of the body work as well:
http://community.webshots.com/album/350561457jLwyuM
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05-23-2005, 10:15 AM
#12
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Originally Posted by N20Dave
They are SB2.2 Nextell Cup heads. 287cc intake runners, 2.15/1.60 valves. They flowed 379 intake / 260 exhaust.
That's incredible! Any idea what numbers you should be putting down to the ground?
05-23-2005, 11:50 AM
#13
I don't know. I'd like to make as much on the motor this year as I made on a 225 shot last year. That would take about 730-750 at the crank. I think it'll make at least 700 at the crank. Depends if I sized the cam correctly for the compression. The cam is a cam motion sr 270/279 @.050 .720/.680 113lsa. Compression is about 12.5-1. I might be a little small on the throttle body. I have a 1250cfm but I should have a 2000cfm. I wanted it to have throttle response.
Of course I forgot to mention the motor is built for a 400 hit and I have a straight discharge direct port NX system capable of that and then some. I thin I'll need a progressive controller though......
Of course I forgot to mention the motor is built for a 400 hit and I have a straight discharge direct port NX system capable of that and then some. I thin I'll need a progressive controller though......
05-23-2005, 01:32 PM
#14
Originally Posted by N20Dave
287cc intake runners, 2.15/1.60 valves. They flowed 379 intake / 260 exhaust.
05-23-2005, 02:55 PM
#15
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Originally Posted by N20Dave
They are SB2.2 Nextell Cup heads. 287cc intake runners, 2.15/1.60 valves. They flowed 379 intake / 260 exhaust.
Matt
05-23-2005, 05:08 PM
#16
On the surface the 287cc ports do look way too big but the architecture of this head is different. The intake ports are substantially longer than traditional designs.
I agree that they are a little down from what they could be. The porting was done by a cup team. We flowed them on a 4" bore fixture so that didn't help the numbers. Plus these may have been busch or restrictor plate heads. I had the option to do some more port work but elected not to as the flow is well within my power range goal. Usually you will see 400-410 intake from a cup head.
I'll have some more work done to them next year when I build the big thumper turbo motor
I agree that they are a little down from what they could be. The porting was done by a cup team. We flowed them on a 4" bore fixture so that didn't help the numbers. Plus these may have been busch or restrictor plate heads. I had the option to do some more port work but elected not to as the flow is well within my power range goal. Usually you will see 400-410 intake from a cup head.
I'll have some more work done to them next year when I build the big thumper turbo motor
05-23-2005, 08:21 PM
#17
Dave,
I got a quick question for you, why build the LT1? I love the LT1s just as much as the next guy on here but why did you do it? Its cool as hell to see some one whos dedicated enough to invest time and a lot of money in to these cars but what kept you holding on to an LT1 car? I'm looking at these pictures of your car and it seems very very very high quality, like a lot of dedication and atention to a lot of detail.
Neil
I got a quick question for you, why build the LT1? I love the LT1s just as much as the next guy on here but why did you do it? Its cool as hell to see some one whos dedicated enough to invest time and a lot of money in to these cars but what kept you holding on to an LT1 car? I'm looking at these pictures of your car and it seems very very very high quality, like a lot of dedication and atention to a lot of detail.
Neil
05-23-2005, 09:22 PM
#19
Originally Posted by Bizzzatch350
Dave,
I got a quick question for you, why build the LT1? I love the LT1s just as much as the next guy on here but why did you do it? Its cool as hell to see some one whos dedicated enough to invest time and a lot of money in to these cars but what kept you holding on to an LT1 car? I'm looking at these pictures of your car and it seems very very very high quality, like a lot of dedication and atention to a lot of detail.
Neil
I got a quick question for you, why build the LT1? I love the LT1s just as much as the next guy on here but why did you do it? Its cool as hell to see some one whos dedicated enough to invest time and a lot of money in to these cars but what kept you holding on to an LT1 car? I'm looking at these pictures of your car and it seems very very very high quality, like a lot of dedication and atention to a lot of detail.
Neil
