Project Speedboat -- 95 Roadmaster M6 sleeper

[Catmaigne]

Or you just remove motor....

I still have that list of spring rates for moogs to copy or go a hair above the ppm autox springs. That was what i wanted to mimic too. All the springs can be had on amazon for dirt cheap

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I would've but I lent out the trans jack and I'm working alone. Wrestling with the t56 is also a huge pain in the ass and I'm trying not to overexert myself (doc's orders). Doing what I can at a snails pace.

The springs I was thinking about are Moog 5664 or 7268.

Hopefully I won't go into a huge food coma and actually get some work done tonight. Swapped the oil pump spring and put the pump back on, just needs to be torqued along with some other bolts. Then the pan and timing cover gaskets will go on and I can finish cleaning the stock for the heads.

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[SSlowBoat]

I would've but I lent out the trans jack and I'm working alone. Wrestling with the t56 is also a huge pain in the ass and I'm trying not to overexert myself (doc's orders). Doing what I can at a snails pace.

The springs I was thinking about are Moog 5664 or 7268.

Hopefully I won't go into a huge food coma and actually get some work done tonight. Swapped the oil pump spring and put the pump back on, just needs to be torqued along with some other bolts. Then the pan and timing cover gaskets will go on and I can finish cleaning the stock for the heads.

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Those are correct, and i think half a coil off front and 1 off rear puts rate right at ppx autox with same height

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[Catmaigne]

I picked up rear calipers, caliper brackets, and backing plates w/ebrake shoes at the yard for $45. I need to order ebrake cables, rotors, and pads to complete the disc conversion. This should save about 9lb per side and decrease unsprung weight a good bit.

I weighed the 9c1 rubber carpet and the difference between stock is only ~3lb. The rubber fits like crap so I'm going to sell it.

Mic'd some valves and found that the new stainless valves are generally 0.0002-3" larger in diameter on intakes and 0.0003-4" larger on exhausts. Couldn't get a good measurement for the inner diameter of the guides with crappy ball gauges, but the difference in valve size isn't big enough for me to worry/care.

Also measured the volume of the combustion chambers with the new valves at 51.5cc. Going to use stock replacement Fel-pro 9966PT head gaskets for SCR of 11:1 and craptastic quench. Not going crazy with comp or cam because car will hopefully double as a tow pig.

Pan and timing cover are on. Tomorrow I will continue cleaning the deck and hopefully get at least one head on so I can measure for pushrods. Will probably button up the motor and tackle the diff next weekend with some help, then the maiden voyage.

[popo8]

Movin right along man...

LTXtech.com IS my drug...
OWNER/ADMIN

[popo8]

LTXtech.com IS my drug...
OWNER/ADMIN

[Catmaigne]

Got in over my head last time I worked on this and ultimately stopped due to health issues. All is well now and the dyno day/ocmd have passed so it's time to get the piggy rolling again. I started by cleaning the garage (somewhat). Getting ready to break down the diff, rebuild the yukon posi, and setup the new 4.56s. Then I need to hone the valve guides, put the top end on, put the front suspension back together with moog springs, fix steering, install new rear suspension bushings, sway bar, abs delete, new brake lines for the rear, rear disc conversion, etc. Looks like I have my work cut out for me this summer.0525172035b.jpg

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[Catmaigne]

I hope this will be my ride to oc in the fall.

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[Catmaigne]

Gutted the diff and tried scraping most of the grime off. I got it reasonably clean, it was filthy. New wheel bearings and races are in so I started working on reshimming the posi with the new spiders. I didn't notice this before, but one of metal alignment tabs for the clutch packs sheared. Guess I can't do anything with the diff until I source one from Yukon. Will move on to the heads.0527171352a.jpg0527171352c.jpg0527171508a.jpg0527171603.jpg0527171626a.jpg

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[Catmaigne]

Remeasured the guides and valve stems on the le1s. The new stainless valves are rougly .0002-4" thicker across the board than the stockers so the guide clearance needed to be opened slightly. I did some light honing with a flex hone and got all clearances around 0.0011-14" but I will double check tomorrow and possibly open up some of the exhausts if needed. I also did some lapping but need to order a finer compound for a final pass. Once that's done I can finally assemble everything.0527171740.jpg0527172302.jpg0527172330.jpg

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[Catmaigne]

Opinions on mufflers to replace the dynomax super turbos? Needs to be louder but not obnoxious like my camaro lol

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