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  1. 80Grand_LeMans

    Dry transmission

    I took my transmission off my motor when I pulled it from my old cutlass. I tossed the converter and put on a B&M holeshot my friend had lying around. He had used it before for a few miless so there might have been some fluid in it but I don't remember and didn't add any to it. I filled the pan...
  2. 80Grand_LeMans

    Caliper Position Help

    Really dumb question that I can't seem to find the answer on. Does the brake hose mount to the top of the caliper or the bottom of the caliper? I had them mounted so the hose would go to the top but it didnt seem like it wanted to fit very well. I swapped sides so the hose goes to the bottom of...
  3. 80Grand_LeMans

    Help with Pontiac Tach wiring...

    I have a tach/speedo assembly but the back of the tach has a switch to change from v8-v6. Mine is broken off and doesn't specify what way is what. Does anyone know if left is v8 or right is v8? I can toss up a picture later to help show what Im talking about. thanks.
  4. 80Grand_LeMans

    What speedometer gear/housing?

    I for some reason lost the spedometer housing and gear from my transmission out of a 76 Cutlass. Its a th350 and has one that looks like this: I'm not sure how to figure out what gear I need though. I noticed there's a difference in how many teeth the gear has, and also has to match the axle...
  5. 80Grand_LeMans

    Semi rebuilt motor started, then shut off, wont start.

    Just recently finished my semi build of a 76 olds 350. Here is whats on it so everyone knows: Stock block and rotating assembly (7x,*** miles) New oil pump (Melling high volume, bolt on screen) Edelbrock double timing set Edelbrock performer cam/lifters/springs Edelbrock performer rpm intake...
  6. 80Grand_LeMans

    Front backing plates?

    Anyone know where I can get front backing plates that attach to the spindle for the front. All I can find is for the rear. Either that or does anyone have a set in good condition? Thanks.
  7. 80Grand_LeMans

    Diagram for firewall "plug"

    I have a 1980 LeMans and was wondering if anyone can give me a diagram of what each pin on the plug that bolts into the firewall (under brake booster) is for. If you need a picture of my specific plug I can get that, thanks.
  8. 80Grand_LeMans

    Worth it to upgrade distributor?

    Building an oldsmobile 350. Its going to have w31 heads with compression probably around 9:1. Roller rockers, full cam and valvetrain upgrade, full length headers, th350, performer rpm intake and holley 750. Power will be made in the lower rpm range for a street car. I have an msd 6al box. Is it...
  9. 80Grand_LeMans

    Is there such thing as a budget supercharger?

    Was toying around the idea of slapping a centrifugal supercharger on the (1976) olds 350 I have. It will be stock with a performer rpm intake, roller rockers, holley 750, and full length headers. Is there such a thing as buying a used supercharger and throwing it on with low psi for the weekend...
  10. 80Grand_LeMans

    Alternator Amperage

    I know this may not be here but I figured if someone knows about electrical they could help. I have a 99 intrepid that I will be adding a sound system in. Its going to be using a Sundown SAZ-1500d amplifier hooked up to a 12 inch Fi Q sub. It will be 800watt rms. I will also be installing an amp...
  11. 80Grand_LeMans

    What intake manifold for a turbo application

    What type of manifold would you be looking for in a turbo build. I've mostly seen the high rise intakes on builds. Has there been any proven facts that one style is better than another? Thanks.
  12. 80Grand_LeMans

    Low mount turbo?

    Anyone have any pictures of a low mounted turbo set up. Either single or twin. I've heard of turbo in the trunk but what about right at the end of a normally mounted header or something? Would be cool for a little stealth build.
  13. 80Grand_LeMans

    F Body or G Body sway bar.

    I got an fbody sway bar. I found a cutlass with a stock rear sway bar. Should I grab that one and sell the fbody bar? Any difference in performance from the two?
  14. 80Grand_LeMans

    Rim stud holes too large. Need press in spacers.

    I have some old rims I got from a friend. Two of them are on my car now but the other two are missing a few of the press in adapters that fit into the wheel stud holes. Does anyone know where I can locate these? Thanks.
  15. 80Grand_LeMans

    HEI: Coil in Cap to Points Style Cap

    I have an HEI distributor in my motor. I am going to be using a 6AL msd box. I also have a msd blaster 3 coil. I like the look of the points style cap with the external coil terminal in the middle. I found this conversion but don't really like the look: Do they have a cap conversion so it...
  16. 80Grand_LeMans

    350 Olds Build, What converter?

    I'm building a mild Olds 350 and just realized I don't want to waste it all if my converter is no good. Here is what I got so far. Olds 350 stock bottom end. Edelbrock cam: 204/214 Duration 448/472 Lift Stock ratio roller rockers Edelbrock performer intake Double roller timing chain Holley 750...
  17. 80Grand_LeMans

    Do I need a new driveshaft?

    Trying to plan for my swap since it's my daily driver. I'm swapping an Olds 350/th350 from a 76 Cutlass into an 80 LeMans that originally had a 229 Chevy with the th200 trans and a 7.5 rear. The rear and driveshaft are still sitting in the car. Will the Olds th350 trans fit in that with that...
  18. 80Grand_LeMans

    73-77 A-Body Rear

    Getting a free 73-77 Cutlass posi rear. Will this fit my 80 LeMans?
  19. 80Grand_LeMans

    Non Gbody Wiring (76 Cutlass)

    Anyone know what the fuel gauge wire colors are? I took out the fuel/dummy lights gauge and i need to wire in an aftermarket fuel gauge. I think the ones I need are brown and brown/white. Thanks.
  20. 80Grand_LeMans

    What compression ratio for a 172 blower.

    Was just wondering what the cr should be for a weiand 172 or 144 blower.