Roller Cam and 885 lifters $695

bison

Moderator
Staff member
$695. Comp cams ductile roller camshaft and comp cams 885 lifters by Johnson with adjustable thrust. This is a great deal and I’ll sell you whatever camshaft you want if I don’t have it on the shelf. Lead time if I don’t have it here. Springs and other hardware available also. Message for payment info.

Here are common and typical requirements for camshaft overlap @ .050” for turbo applications where exhaust pressure to intake pressure is 1.5:1 to 1.75:1 and compression ratios are between 8 and 10:1.

-20 stock/close to stock 4000-5000rpm
-18 to -12 stock to low 11’s with a 57mm turbine 4400-5600rpm
-12 to -8 low 11 to high 9 with 62 compressor and 62 turbine and larger 4800-5800rpm
-8 to -4 9 sec with 64mm compressor and larger. 66mm or larger turbines 5200-6200rpm
-4 to 0 66mm turbine minimum and larger turbines, 9:1 CR or higher with closer to 10:1 CR for the most potential. 5500-6500rpm
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Joe's GN

New Member
Just received my stack of parts from Brian as well
He got me rolling with some nice custom heads and rockers to go with my cam lifter combo
He sure knows his Buicks and was very helpful
Thanks!
 

Blown&Injected

Active Member
Bison, I got your message - trying to remember all the things you probably want to know...I took an hour tying to put it all together and look forward to working with you.
 

krazy86t

Member
$695. Comp cams ductile roller camshaft and comp cams 885 lifters by Johnson with adjustable thrust. This is a great deal and I’ll sell you whatever camshaft you want if I don’t have it on the shelf. Lead time if I don’t have it here. Springs and other hardware available also. Message for payment info.

Here are common and typical requirements for camshaft overlap @ .050” for turbo applications where exhaust pressure to intake pressure is 1.5:1 to 1.75:1 and compression ratios are between 8 and 10:1.

-20 stock/close to stock 4000-5000rpm
-18 to -12 stock to low 11’s with a 57mm turbine 4400-5600rpm
-12 to -8 low 11 to high 9 with 62 compressor and 62 turbine and larger 4800-5800rpm
-8 to -4 9 sec with 64mm compressor and larger. 66mm or larger turbines 5200-6200rpm
-4 to 0 66mm turbine minimum and larger turbines, 9:1 CR or higher with closer to 10:1 CR for the most potential. 5500-6500rpm

Old thread but trying to decode this cam info into the usual specs found with cam suppliers I/E durations and LSAs (Stock ATR catalog: advertised duration is 258 intake (I) and 262 Exhaust (E), duration @ 0.050 is 192 (I) and 196 (E), lift with 1.55 rockers is 0.384 (I) and 0.408 (E), lobe separation is 107 and overlap is 38.)

struggle to find camshafts
 
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