Just recently bought a 92 Buick Lesbare not knowing that there is not much of a modding scene for the Series I. I would still like to do some mods would like to stay NA. I have a budget of around 500. Trying to get another 20-30 hp out of it. Was thinking of doing a cam but cannot find one anywhere for the series 1 do the series 2 cams fit in series 1? Any input is appreciated. I am not going to swap it for the series II because I don't have enough free time to do so and this is my daily.

Talk to Crow Cams. They are out of Australia, where the mod market for the Series 1 was stronger. They have a different name for the engine, so you have to explain carefully.

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WHITE WHINE - 1992 SSE Supercharged 236.26 ci (.040 Over) 15.090 at 90.2 MPH on old engine w/ slipping trans & melted O2 sensor - Gen 3 M62 and matching TB, Gen 2 Pully, Zillamotorsports Ported LIM, YT 1.72 Roller Rockers, SII FPR & Injectors, Hypertech Thermomaster chip w/ 160 Thermo, TransGo Shift Kit, Infinity/Pioneer Speakers & a 10" Alpine Type R Sub, all the watts, 140 amp Alternator, Ricepipe CAI w/ heatshield, Pilot Angel Eye Foglights, Clear Corners, '02 17" Chrome Bent 5's, Magnaflow F-Body Muffler and Hi-flo Cat, Ceramic Coated Ported Exhaust Manifolds, Fan Override, Monroe Reflex struts, red calipers
2009 G8 GT - Sport Red Metallic, loaded, SOLO Axlebacks, Rotofab Intake, Tuned, autodim mirror, removed intake manifold cover, HSV GTS triple gauge pod, two tone red-hot shifter and HSV SuperSport steering wheel, GXP rear sway bar and diffuser, 3.45 diff and various Camaro suspension bits, LED Taillights

20-30 horsepower will be nearly impossible with that budget much less being NA.

Start with a different platform.

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-Car Guy Carl
"Penelope" - 2003 SLE - 247k Miles
"Sydney" - 2000 Honda S2000 - 98k miles

Depending on your ability and you-pull-it junkyard options, you could probably swap in a L36 and get a custom tune for $500. That would reliably push the car into the later half of the 90s at least. A Series 1 or 2 L67 wouldn't cost much more but the transmission wouldn't last. If you have to pay to have the work done, quadruple the price.

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95 SLE... a keeper. 241k miles. Low and Slow.
97 BMW 528i
98 Infiniti vq35'd i30: 13.3@104mph, 30MPG Hwy (RIP)
02 Jag X-type
03 BMW M5
05 Chevy Cobalt LS
07 Infiniti G35s 6MT (Sold)
07 Ducati Monster S2R 800 with DS1000 swap
83 Yamaha IT175K
72 Yamaha DS7: '74 RD250 swap, JL chambers

Info on dropping a 92-99: Here.

Unfortunately, the above posts are just about it.

Custom cold air intake and high flow cat will free it up a bit for pretty cheap. Porting and polishing will put a bit of pep in its step as well. There were some rockers that would fit series 1, but only the 94-95 heads if memory serves (bolt sizing different).

The bottom end can't take much more.

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~Randall~


1993 Buick Park Avenue - 197k - Some odds and ends done - Simply won't die
1994 Buick Regal - 78k - Bone stock - Always ready for a good kicking
1990 Oldsmobile 88 - Gone to a better place

I would find an entire series 1 L67 donor from a park avenue or bonneville and swap everything over - it's stock, it's reliable, and it's way more power than $500 will get you on the N/A setup. You might have to verify the pins on the connector under the dash for the engine/pcm harness match, but it's mostly a drop in swap (complete engine/trans/harness/ecm), and you might be able to find a donor in the $400 range. That's what I did with our '93 SE way back in the day. Was done in a busy weekend.

Other options are to find a junkyard turbo if you have a MIG welder, upgrade the pcm to the 98+ 3800 one to make tuning easier. Again, a lot of work on you to pull it off, but if you're thrifty it could be done in the $500 or so budget. 5psi would give you a nice boost in power, but the trans is probably not going to be happy.

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Boost addict


The Fleet:
'93 SSEi - Twincharged + manual Build thread
'97 Camaro - Top swap
'05 STS - V8, AWD, her DD
'92 Trofeo - Fair weather DD
'99 Montana - top swap 3800
'04 Sierra 2500HD - LLY Duramax

Current project:
Something cool, trust me.

Upcoming projects:
'92 Bonneville SSE
'87 LeSabre T-type
'67 LeSabre

Gone to greener pastures:
'84 Sierra Classic - Twin turbo 3800
'97 LeSabre - Top swap

RIP:
'86 LeSabre - pictures
'93 SE - L67