95 Fleetwood - Chevy Impala SS Forum
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post #1 of 26 (permalink) Old 12-28-2006, 06:27 PM
faster
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Well I did it. Bought a near flawless 95 Fleetwood (non brougham) from the local Caddy dealer here in Gainesville FL. The old guy (91) bought it new and when he died his wife traded it(too big). The dealer printed out its history for me, he had it serviced and repaired their religously. Now for the good part, car has 53K and they let me drive off with it for $6000.00. My first LT-1 but it must run at least mid/low 13's. Can I get it there with PCM programing, exhaust, intake and fuel mods, gears and supercharger? I've been building very fast turbo buicks for years (high 10's/low 11's) but know nothing about these land yachts and how to make an LT-1 sing my song. I have always had a land yacht in my stable but always a big block Buick. I really, really like these cars but must go faster. Please steer me in the right direction, I hate doing things twice so I thought I would get the info from the guys who have already been there. Thanks for taking the time to help.
Mikey
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post #2 of 26 (permalink) Old 12-28-2006, 06:36 PM
yellowtaws6
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Congrats on the purchase! You won't regret it!

Fasstwood runs 13s and he is not supercharged. Ask him about his modifications.
post #3 of 26 (permalink) Old 12-28-2006, 09:50 PM
CustomCaddys
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fasstwood is definately in 13s
but honestly, to each his own.. i'm almost there myself... forget looking in the fleetwood section and hit the performance section.

if you want to go fasst... you definately have some reading to do

i feel you can treat the car however you want.. like an impala? like an F-body? Vette? just do what you want, have fun and be safe

[ 12-29-2006, 02:00 AM: Message edited by: CustomCaddys ]
 
post #4 of 26 (permalink) Old 12-28-2006, 10:22 PM
edy923
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Hey faster!!! Welcome to the Fleetwood club!!! Best mods to get you to go quicker will be 3.73's and a high stall converter... Best I ran on stock iron heads was 14.16 with my baby cam. I'm running Aluminum custom ported heads from www.eportworks.com (le2 package) with my cam with all the other bolt ons and got it down to 13.7's with a 1.87 60'. I know she still has way more with my new setup but I never had the time or the spare cash to get a proper tune on a dyno. I'm now planning to go your buick route. I'm throwing in a Turbonetics T04b turbo in the next couple of weeks... Feel free to ask questions and do searches... Basically if it applies to an Imapala SS, it will most likely work on our cars...

P.S. I ran that 13.75 @ 4800 pounds...
Good luck with your new ride...
post #5 of 26 (permalink) Old 12-29-2006, 01:25 AM
CustomCaddys
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sorry i got cut short earlier..

Questions.. first is 13's going to keep you happy? (just noticed you've messed with turbo 3.8's ..)
and also How do you want to go fast?

are you a spray guy? were you thinking forced induction maybe a supercharger kit? or be different and turbo it? or Heads/Cam like ed?

i agree, play with bolt-ons for now.. you can check out that "cheap a$$ mods" post, or you could just get the necessities... a good PCM tune = ooh i like that // one of the many intakes = sounds cool, maybe a hair faster // headers and catback = whoa, crazy sound and seems a good bit faster // 2500+ stall converter and 3.42+ gears = almost at 13's and holy crap forget that Grand National!

by then you'll have read a good bit and will probably know where You want to take it.

but yes, Welcome to the D-body my friend. it get's addicting. [img]smile.gif[/img]
post #6 of 26 (permalink) Old 12-29-2006, 02:08 AM
N0DIH
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Another FOSS member?

Welcome!!
post #7 of 26 (permalink) Old 12-29-2006, 10:34 AM
caplt4
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congrats on the new ride.
post #8 of 26 (permalink) Old 12-30-2006, 10:59 AM
faster
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Thanks for the input to my questions. I will not spray! I have always run big block buicks and turbo V-6's but heve never messed with mouse motors. My current turbo which is my third currently runs 12.00's @ 115 MPH on pump gas with alky spray at 20 # boost and 11.00's @ 123 MPH on race fuel at 25 # of boost all on sticky DOT's all in a full weight car. I soft launch with my 1.85 60' times. My big block Buick Electra runs 13.8-13.9 at 97-99 MPH on pump gas and Michelin Whitewalls with a 1.9 60' with 4.10 gears and overdrive on a 2700 stall converter. It is very quick to 60 MPH. Camaros, Mustangs and the like are all looking at the taillights for a couple seconds till they finally hook and get by but not till 50-70 MPH. It is a great street car. I will be happy with 13.6-13.8's on the motor alone possibly with a supercharger. This a street car and is too heavy to mess with turbo lag, I want instant response. My turbo is too fast for the street really and I am always playing catch up with the turbo. I will always run you down by the middle-top of second gear but by then we are going way too fast for the street. So this Caddy will be a pump gas daily driver. I like 4.10's with the tall tires and overdrive because it keeps the motor on the cam where it is happy and smooth because even at 70 MPH you are only turning 2300 RPM. I need to study what you guys and (gals?) have done as I stated I do not want to R&R combinations but only do what will work for me to accomplish my goal.

Again thanks for the input. I look forward to the fun of the comraderie and input of this site.

Mikey
post #9 of 26 (permalink) Old 12-30-2006, 02:52 PM
edy923
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Go Mikey Go!!! I'm sure you'll get to your goal with no problem... Feel free to ask when ya need help...

Off topic...

Do you use a Blow off valve with your turbo setup? I was thinking of getting the HKS SSQV for my car... From what I have heard although i have an automatic the BOV helps against compressor surge which helpsthe turbo last longer....
post #10 of 26 (permalink) Old 01-01-2007, 08:22 AM
faster
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Eddie, I am not the world's foremost authority on boost but I have been building 10-11 sec boosted cars for 15 years and would NEVER have a huffed (supercharger or turbocharger) car without a blowoff or wastegate valve. Over boost causes detonation. You won't hurt a turbocharger with overboost, the turbines will just stall and the motor will fall on its nose or backfire through the intake. That is where the problems begin. The backfire can be serious enough to lift the intake off the heads breaking it. There are four things that can happen with over boost.
1. Lift the intake off the heads, real damage.
2. Lift the heads off the block, real damage.
3. Detonation resulting in breaking pistons, real damage.
4. Blown head gaskets.

I take number 4. I never pin or o-ring my heads and block. That way the head gasket is my weak link in case of detonation. Detonation is possible even with a waste gate because of air temp and humidity changes causing cylinder pressure to change on any given boost setting. I develop 25-26 lbs. of intercooled boost and 560+ horsepower (123 MPH trap speed in a 3600# car)with stock headgaskets (one failure in seven years on the same motor). I run 8:1 compression and some like 8.5:1 for better throttle response off boost. Flawless machining of heads and block will let stock head gaskets live with no problems.
There are many wastegate/blowoff solutions but I use turbonetics products with an adjustable wastegate valve from the drivers seat to allow me to adjust for weather conditions and daily driving. I also use an SMK alky spray injector in the plenum to compensate for octane discrepincies also adjustable from the drivers seat.

www.turbonetics.com

I will find the links to SMK alcohol injection and Razor alcohol injection, both are good.

Mikey
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