LT1-LT4 Modifications 1993-97 Gen II Small Block V8

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Old May 15, 2005 | 01:11 PM
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I am forever changing my 96 formula to the 98-02 style
I wanna hear any suggestions you guys have. Other sthings I need or dont need. I've got about 12 grand to spend.

- SLP 4.10 gears
- Custom grind cam I cant remember exactly the specs. I think it was something around 242 duration 114 lobe and .576 lift
- Trick flow Heads Ported to match the lt4 intake. The guy said they would flow over 300 cfm
- Trick flow pushrods, pro form 1.6 roller rockers
- LT4 intake ported to match trickflow heads
- 396 stroker kit by Eagle, 4340 forged h-beam rods crankshafts and pistons
- Heavy duty Timing chain
- Jet Hot Headers & Y pipe
- Under & Over Drive Pulley Set
- Electric cut-out
- dual borla tips
- Not sure on which hood to get yet
- And I’m converting my 96 style to the 98-02 style, so I have purchased the front end rear and side fenders + the 2 side ground effects
- FUEL INJECTORS – here is a question I don’t know what Lb injectors to get????? Please let me know based on the info given
- fuel pressure regulator?????
- OBDI conversion w/tuning
- triple platinum spark plugs
- MSD 8.5mm Ignition Wires
- and also having my tranny rebuilt
- 58mm TB
- MAF
- Custom mats and carpet
- new console
- new ebony black leather seats
- B&M Ripper shifter
- Spec Stage 3 clutch kit
- BFGoodrich g-Force T/A KDW-2
- Blacked out zo6 rims 18x9.5 front 18x10.5 rear
Also will be Painting entire car not sure on the color
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Old May 15, 2005 | 01:55 PM
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get the ws7 hood.....looks mean. or mecham...if you got the money. The cam looks really, really small to me for a 396. REALLY SMALL!! You need a tighter LSA if youre staying N/A. Also lift numbers should be .600ish+ if you're heads are flowing that much. Next...some suspension work would really make a dramatic difference in the way your car felt. A kit from LG, BMR, or Eibach would do a lot of good. Or if you want to purchase separate, subframe connectors, lower control arms, adj. panhard rod, springs and shocks (koni's or HAL qa-1'a).....just my .02
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Old May 15, 2005 | 01:57 PM
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and i would go with 36lb/hr injectors if you aren't going to spray or 42 if you are. Also a 255 walbro in tank pump is easy insurance to make sure you are getting a good fuel source.
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Old May 15, 2005 | 02:07 PM
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If you have ~$12K to spend to make your car more like the LS1 style, why don't you just sell your LT1 and buy a used 98 or 99 for that $12K and spend the extra money you have to put mods on it.

Who is going to get the Trick Flow's to flow over 300? If I remember right, AI was working a set of these when they came out and were going to be hard pressed to safely get over 300 out of them....more likely high 280's-mid 290's without coming close to working on the integrity of the head. If it's some Joe Schmoe who is going to port them, I wouldn't count on anything near 300. AI's first port of them netted around 250cfm.

Also $12K for what you are planning is going to be very iffy. Your stroker is going to cost you a lot more than you expect. Plan for a little over half of your budget and expect to spend more than that. Injectors....really depends on what you end up putting down to the ground. Cam....I'd wait to see the flow #'s before I get a custom grind....have the cam matched to your heads. I don't see why you would need an FPR.

If it were me in your position, I'd look to sell the LT1 and buy a used LS1. I'm sure you can find a 98 for around that and with the money you have left over and from selling the LT1, you can buy a budget Phamspeed kit and put down more than you'd ever see from a N/A 396.

Just my $.02
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Old May 15, 2005 | 02:08 PM
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Originally Posted by Jordan57
and i would go with 36lb/hr injectors if you aren't going to spray or 42 if you are. Also a 255 walbro in tank pump is easy insurance to make sure you are getting a good fuel source.
Unless it's a dry kit, why would you need larger injectors?
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Old May 15, 2005 | 02:22 PM
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Originally Posted by GhostZ
Unless it's a dry kit, why would you need larger injectors?
Nitrous needs plenty of fuel to combust due to the air pressure it creates. It's a lot like boost in that aspect.
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Old May 15, 2005 | 02:25 PM
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Originally Posted by Vendetta
Nitrous needs plenty of fuel to combust due to the air pressure it creates. It's a lot like boost in that aspect.
A wet system provides additional fuel separate from the injectors....hence the term wet as opposed to dry where the MAF reads the nitrous and has the injectors add fuel.

That's why I was asking, if it isn't a dry setup...why would bigger injectors be needed.
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Old May 15, 2005 | 02:49 PM
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I am pretty Sure Bret is getting the 300+ numbers. I also agree that with a wet kit no need for bigger injectors then you would use N/A
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Old May 15, 2005 | 04:35 PM
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Well I called TrickFlow and he gave me the # of A guy. Dont have it right now but will post it later. So I called and the heads with the port job to match the lt4 WAS AROUND $2200. Andhe said it could flow over 300. And gave me the Specs for a custom ground cam. Also said the max lift was .600.
I dont really want to convert to LS1. And yes it is about 12 grand. I have all prices set and calculated. We will be doing most of the work including painting. Actuall it's more about 14 grand I have the items I will selll calculated in their.
I was leaning more on the 36lb but just wasnt sure. Thanks for the input.
Anything else?



Originally Posted by GhostZ
If you have ~$12K to spend to make your car more like the LS1 style, why don't you just sell your LT1 and buy a used 98 or 99 for that $12K and spend the extra money you have to put mods on it.

Who is going to get the Trick Flow's to flow over 300? If I remember right, AI was working a set of these when they came out and were going to be hard pressed to safely get over 300 out of them....more likely high 280's-mid 290's without coming close to working on the integrity of the head. If it's some Joe Schmoe who is going to port them, I wouldn't count on anything near 300. AI's first port of them netted around 250cfm.

Also $12K for what you are planning is going to be very iffy. Your stroker is going to cost you a lot more than you expect. Plan for a little over half of your budget and expect to spend more than that. Injectors....really depends on what you end up putting down to the ground. Cam....I'd wait to see the flow #'s before I get a custom grind....have the cam matched to your heads. I don't see why you would need an FPR.

If it were me in your position, I'd look to sell the LT1 and buy a used LS1. I'm sure you can find a 98 for around that and with the money you have left over and from selling the LT1, you can buy a budget Phamspeed kit and put down more than you'd ever see from a N/A 396.

Just my $.02
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Old May 15, 2005 | 04:37 PM
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What is a WS7 hood? PICS? Mecham???
I'll look into the suspension.
thanks




Originally Posted by Jordan57
get the ws7 hood.....looks mean. or mecham...if you got the money. The cam looks really, really small to me for a 396. REALLY SMALL!! You need a tighter LSA if youre staying N/A. Also lift numbers should be .600ish+ if you're heads are flowing that much. Next...some suspension work would really make a dramatic difference in the way your car felt. A kit from LG, BMR, or Eibach would do a lot of good. Or if you want to purchase separate, subframe connectors, lower control arms, adj. panhard rod, springs and shocks (koni's or HAL qa-1'a).....just my .02
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Old May 15, 2005 | 04:42 PM
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the ls1 firehawk style hood....check out suncoast creations
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Old May 15, 2005 | 05:15 PM
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If it's Lloyd...then I would say yes. And TwoFast, if I'm not mistaken...isn't Bret sending his stuff to Lloyd and then Bret designs the cam's?

If anyone can safely get 300 out of them, I would trust Lloyd to do it.
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Old May 15, 2005 | 05:50 PM
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You know I cant find that paper but the guy's name started with a B.
Brent, bret I guess. I dunno
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Old May 15, 2005 | 06:15 PM
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Bret Bauer?
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Old May 15, 2005 | 06:20 PM
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I'll let you know when I find that paper

Any other Thoughts????
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Old May 15, 2005 | 11:11 PM
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couple things.....get your tranny rebuilt pro shift style. Search around for their responses...good things. It's a mother to drive, but holds up to some serious power...ask Taner. Clutch...might want to switch from the spec stage 3 to a stage 4, or mcleod twin.....to make sure it holds the power. The 18's might be too much wheel, not enough tire for your setup. I bet a nice pair of 17's with an 11" wheel out back with 315's would look sick, and hook up a lot better. Also more tires are available for this wheel, and it's cheaper. It also would allow you a more aggressive stance suspension wise. Driveshaft loop is a neccesity, as is an aluminum or carbon fiber driveshaft. Another thing...you are going to want to stop better too right? Perhaps an LS1 brake conversion, or some Brembo brakes or Baer track kit etc....for stopping and looking good behind them big old hoops on your ride. Also...colorwise....the anniversary yellow would look sweet with some black accents, or corvette red, NBM, SOM, or better yet british racing green....think yenko camaro color....that would look awesome with some metal flake in it. Last thing...maybe rethink the black ebony leather seats....1. they are heavy...2. the leather is cheap....3. no lumbar support...4. expensive. Some recaros or race seat with a 5 pt harness that is leather, suede, or similiar would look killer and be nice to sit in on your sure to be fast quarter mile blasts.
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Old May 16, 2005 | 12:56 AM
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Naw last time I talked to Bret he was doing his own stuff. I use both Bret and lloyd

My heads just came back from Lloyd Just little 210cc GM LT1 Castings Flow is not alot....around 290ish .600 and up never dropping off at .700. should work with my baby cam and .640 lift

i know Lloyd and Bret do work together on occation
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Old May 16, 2005 | 11:40 AM
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Hey Jordan57 good ideas but this car isn't going to be raced much at least not for awhile. This will be my everyday driver. That's why I went with the stage 3 street/strip. Stage 4 claims race only. It's kinda hard for me to switch to 17's because im getting the 18's for $750 shipped. They are blacked out and are gonna look sick. And tires for about $750 -$800.
Yea and the Annivarsary Yellow was #1 on my list. With black accents.
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Old May 16, 2005 | 02:04 PM
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oh no worries....thought as soon as i saw the 396 with some big ol trick flow heads on it=race car...lol. Yeah the spec 3 should be decent, and for that price go with the big hoops....anniversary yellow.....mmmmmm
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Old May 16, 2005 | 03:12 PM
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Hey another Question??????
What kind of HorsePower should I be expecting. Or what do you guys think?
Because I was reading about the 36 lb injectors and they said thay were good up to 450 HP. I kind of figured that I would be over that and maybe thought I might need 42 lb????????????
Let me know
thanks
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