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Bigblock73 · Member

My quad cab land barge

LeadFootedRacer · Hot Wheels

quad cab mopar = incapable

Masshole Monte · THIS IS HOME

Nice.

Bigblock73 · Member

LeadFootedRacer wrote:
quad cab mopar = incapable

Incapable of maintaining traction do to the massive amounts of tq.

383malibu · FOODSTAMPS

thats a beauty and a beast ,,,nice

Bigblock73 · Member

Having some problems with putting the power to the ground. Ditched the TCI and putting in a hughes 3000 this weekend with the shift kit.

Bigblock73 · Member

still no dice on the car. I'm throwin parts at it left and right. Just replaced the old orange box and ballast resistro with an MSD, new distributor, plugs..... Still have to clue what's holding it back engine is new top to bottom, ignition system is new, stall convertor is new, rear end is new. timing is set at 36 at 3k rpm vac plugged, carb is set up....

I"m going to run a compression test on it and see what the cyl. pressures are make sure i don't have a dead cylinder or leaky valve...i don't see it though engine idles nice and revs up great in P or N but struggles under load.

savageracer6969 · Senior Member

what is your compression ratio? if that is the original motor then your comp is only 8.6 to 1 which will make it a dog with that cam,intake and headers

Bigblock73 · Member

IDK my exact compression ratio. I did shave the heads quiet a bit and the have smaller chambers than the original.

Bigblock73 · Member

I figured my compression ratio worse case scenario is a 9.16 best is 9.45 (idk actual amount milled from heads. So between 9 - 9.5:1.

I figured for stock bore and stroke. 72 CC heads, .039 head gasket, flat top piston, and a deck height of .070 in the hole with .020 milled on the heads. I don't think it is a compression issue.... I'm going to run a compression test this weekend and see if all the cylinders are good and the valves are seating.

paul c · Veteran Member

see if the timing chain is installed correctly. take it further and check how the cam was set up with a degree wheel. i found some that were up to 8 degrees off. that will make it a dog.

Bigblock73 · Member

checked the compression ratio... pretty much 140psi across the board. Install a slighty hotter plug and opened up the gap a little. Seemed a little better but still not all there. I"m gong to try swapping out a carb later today. If that doesn't cut it i'm back into the engine. :(

-- Edited by Bigblock73 on Saturday 16th of July 2011 12:16:26 PM

1972468bb · Senior Member

I'm with Paul check the timing chain. Had mine a few teeth off and the thing was a dog and wouldn't rev for shit

paul c · Veteran Member

i just remember an old friend had an old pontiac 350 and he put a chain in w/ the three key ways and he lined it up wrong, it was a total pig. lined it up correctluy and away it went.