Finally Finished-BRE Single Plane Conversion!
Finally Finished-BRE Single Plane Conversion! Hey Guys,
Thought I would throw up some initial pics of the single plane conversion on my solid roller 383. I will have to say, after talking to the guys at Thunder Racing about what all went into it so far, this isn't a bolt on type of thing. There was quite a bit of fabrication work involved to get this thing completed. We're waiting on some -AN fittings and lines for the fuel system and it will be dropped back into the car and hopefully running in the next couple days. I'm not sure what the most N/A HP with an LT1 is on the board, but I expect good things!
And for those of you staring at the TB, yes that is an LS1 Nick Williams 90mm TB that has been flipped over and an LS1 throttle cable bracket mounted on the elbow. So, I guess you could say this motor is just as much LT1 as LS1 since there are only 2 remaining LT1 parts on the car-the optispark and the block.
Thought I would throw up some initial pics of the single plane conversion on my solid roller 383. I will have to say, after talking to the guys at Thunder Racing about what all went into it so far, this isn't a bolt on type of thing. There was quite a bit of fabrication work involved to get this thing completed. We're waiting on some -AN fittings and lines for the fuel system and it will be dropped back into the car and hopefully running in the next couple days. I'm not sure what the most N/A HP with an LT1 is on the board, but I expect good things!
And for those of you staring at the TB, yes that is an LS1 Nick Williams 90mm TB that has been flipped over and an LS1 throttle cable bracket mounted on the elbow. So, I guess you could say this motor is just as much LT1 as LS1 since there are only 2 remaining LT1 parts on the car-the optispark and the block.
Nice looking work...
FWIW I had a daily driver setup on the engine dyno that made 600hp with a single plane and some nice ported TFS heads. Once you get this thing all tweaked out on the dyno it should be impressive.
Bret
FWIW I had a daily driver setup on the engine dyno that made 600hp with a single plane and some nice ported TFS heads. Once you get this thing all tweaked out on the dyno it should be impressive.
Bret
i love those valve covers !!
Looks good... I would expect really good things. Sounds like the single plane is the
way to go if you want to move in with the big boys (at least with N/A applications)
Looks good... I would expect really good things. Sounds like the single plane is the
way to go if you want to move in with the big boys (at least with N/A applications)
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Guess I need to pay more attention. 
I count 3-4 LT1 parts.... Block, opti, H2O pump housing, and accessory bracket (modified or not)... 
Looks very nice though... About that modified accessory bracket, did you need to use a spacer of any kind for that tensioner pulley? Just a nut and bolt to mount it?
Your altenator is going where the AC compressor used to be... What did you do to mount it up as far as bracketry/bracing?
Sorry about all the questions, I was just starting to modify an extra bracket I have, and saw your pics and would like to do it that way.
Looks very nice though... About that modified accessory bracket, did you need to use a spacer of any kind for that tensioner pulley? Just a nut and bolt to mount it?
Your altenator is going where the AC compressor used to be... What did you do to mount it up as far as bracketry/bracing?
Sorry about all the questions, I was just starting to modify an extra bracket I have, and saw your pics and would like to do it that way.
Ron, hey haven't talked to you in a while, what happen with the 90mm Accufab TB and Sensors? Can't wait to see some numbers, I promise they will be impressive 
. I wonder what that intake would have done on my 383, D1SC, AFR motor 
BTW I have 2 buddies doing LT1 single plane conversions on LE2 heads and cam cars. Ones a 6-speed, hoping for around 440-450RWHP with all supporting mods of course through a 12-bolt.
. I wonder what that intake would have done on my 383, D1SC, AFR motor BTW I have 2 buddies doing LT1 single plane conversions on LE2 heads and cam cars. Ones a 6-speed, hoping for around 440-450RWHP with all supporting mods of course through a 12-bolt.
Thanks for the compliments guys. I'm really excited to see what kind of numbers this setup puts down. I'll have dyno graphs of before the intake and after intake install and compare the graphs.
Dean95z28-Talk to SStrokerAce, he built the setup for me.
Fire67-You're probably right about the total number of parts. Actually there are quite a few LT1 sensors still on the motor, although, even the optispark is actually a dynaspark so that has been replaced. For the bracket, there is a brass spacer to position the pulley in the right location. For the alternator, there are a few billet aluminum 1/8" bars that we used to position it and then the bottom mounting hole on the alternator.
Ben-I wasn't too impressed with the accufab and what would be needed to be modified in my wiring harness to make it work so I went with the Nick Williams.
Dean95z28-Talk to SStrokerAce, he built the setup for me.
Fire67-You're probably right about the total number of parts. Actually there are quite a few LT1 sensors still on the motor, although, even the optispark is actually a dynaspark so that has been replaced. For the bracket, there is a brass spacer to position the pulley in the right location. For the alternator, there are a few billet aluminum 1/8" bars that we used to position it and then the bottom mounting hole on the alternator.
Ben-I wasn't too impressed with the accufab and what would be needed to be modified in my wiring harness to make it work so I went with the Nick Williams.
Last edited by Turbo_6; Sep 28, 2006 at 03:35 PM.
