NoRotors.com - RX7 Engine Swap Forum
Technical Information => Drivetrain => Topic started by: csilvers1984 on February 04, 2012, 05:57:12 PM
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UPDATE!! After deciding to keep the car and finishing the build I also decided to make a few changes!! The new setup has almost everything changed besides the rotating assembly!
New setup!!
404ci ls2 TSP shortblock
Scat/eagle -2cc diamonds
LSA ported oil pump
New cam 247/262 .632 .596 115 +4
Powebond 25% UD pulley
All new gaskets and seals
New top end where I spent the $$$ haha
TFS 235s 64cc for 11.89 comp
Yella Terra non-adj roller rockers
Ls9 head gaskets
Fast 102/102 ported and port matched to the 235s
Return style -8 fuel system with A1000 FPR,billet rails and 400lph walbro
Ford 42# green tops
Samberg rad/intake with ls7 maf elbow
Hinson/stainless works 1 7/8 LTs
3in or/y pipe with 4in single dynomax bullet.
Also changed to the following..
McLeod RXT twin with 18lb spec billet flywheel
Still no AC/PS,HVAC
Samberg 8.8 straight axle with 3.73s!
OLD SETUP
PRC 66cc stg 3 317s 2.08/1.60 324 cfm@.600
.051 gaskets approx 11.4 comp
Fast 90/90 ported AND port matched to heads
Samberg OTR intake with ls7 MAF
42lb green tops/walbro 400lph
Bottom end...
Ls2 block
Eagle crank scat rods
Diamond TSP 4.010 -2cc flat top pistons
TSP giant cam 248/254 .615 .622 114-LSA 110-ICL
Powerbond 25% UD pulley
Hinson/stainless works 1 7/8 LTs
3in y-pipe into 4in single with 5in round bullet muffler
No AC or PC
That's the main build specs and anything can be noted if need be.
I'm hoping for close to 500rwhp.
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shouldnt be a problem
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Its always good to be conservative, but that thing better make all of 500rwhp.
Make sure you get some good valve springs on there and do something about the rockers. Either have CHE bush them, comp trunion upgrade, or some aftermarket ones.
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Its always good to be conservative, but that thing better make all of 500rwhp.
Make sure you get some good valve springs on there and do something about the rockers. Either have CHE bush them, comp trunion upgrade, or some aftermarket ones.
Trunion upgrade is being installed and valvesprings were tested.
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500whp should not be a problem.
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I would hope so man. I'm looking for 525 out of my little 403 lol
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500whp NA is a tricky sombitch. Our baby 393 with the fast 102 and cnc'd 243's and 247/251 cam only made 507.
I bet now with out bigger cam it might make 530ish.
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Whats your new cam specs Demon?
Ed speced me 600/600 248/256 114+3
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249/257 .651 .651 109+3
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he seems to like just spliting the duration.
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I would hope so man. I'm looking for 525 out of my little 403 lol
500rwhp does sound great but my trap speed will be the tale all.
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I would hope so man. I'm looking for 525 out of my little 403 lol
500rwhp does sound great but my trap speed will be the tale all.
amen, trap>>>>>>>>>>>>dyno
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Bump for new changes!!
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shits weak
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shits weak
When you send my $100 winnings make sure to include the PayPal fees :)
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With that cam in a 402 with TFS 235+ported fast id estimate a lot closer to 550-575rwhp/500ish TQ from 4000-6500 RPM.
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shits weak
When you send my $100 winnings make sure to include the PayPal fees :)
At this rate all I got to do is push mine to a 30 sec pass and I will win
Whats the head flow numbers? I think I'm going to end up decking my heads and porting the intake after I have some dyno numbers to see they change.
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With that cam in a 402 with TFS 235+ported fast id estimate a lot closer to 550-575rwhp/500ish TQ from 4000-6500 RPM.
That seems like 427 numbers.
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shits weak
When you send my $100 winnings make sure to include the PayPal fees :)
At this rate all I got to do is push mine to a 30 sec pass and I will win
Whats the head flow numbers? I think I'm going to end up decking my heads and porting the intake after I have some dyno numbers to see they change.
Yea well I'd say we are both pushing out cars for awhile hahaha! I'm not for sure on flow numbers on a stock TFS 235. These will have slight work done to port match with my 102 so I'd say it will change. I'm honestly just hoping to trap 135 and then worry about dyno numbers.
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I got a rear end mines going to roll better.
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With that cam in a 402 with TFS 235+ported fast id estimate a lot closer to 550-575rwhp/500ish TQ from 4000-6500 RPM.
That seems like 427 numbers.
nah, i think you'll be close. Several people have made 480-510rwhp on the 346 ls1 with TFS 215 heads, fast 102, ball park cam specs of 236-240/240-244, etc. And you have better flowing heads, a bigger cam, and 56 ci more....should easily hit 550rwhp/500tq.
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Ya I know I have done the 480RWPH mark with a 347. Still think 550 is a reach. I would like to see it dont get me wrong, that would put my LS3 head 402 up there too.
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ive been studying the stroker builds lately..it seems that it should be somewhere in the neighborhood of 525-535 rwhp....btu then there are always the frak builds that go a little higher and some a little lower..but your right,its all about the traps!good luck and keep us posted man.
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