gm847 cam
01-07-2006, 09:43 PM
#1
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Location: Indianapolis,IN
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Car: 1991 B4C Camaro RS
Engine: 370 lsx ls3 heads victor jr w/carb
Transmission: TH400 w/brake coan 8"4500-4800 stal
Axle/Gears: Moser 9" locker w/ 4.11's
gm847 cam
I am highly interested in this cam for my 388 stroker with lt1 intake
spec.
234/242 dur at .050
.539/.558 lift
112 lsa
1) I am going to buy a set of assembled dart iron eagle 215cc heads and i want to know if i need some special valve springs to handle this cam?
2) is this available in small base circle?
thanks
spec.
234/242 dur at .050
.539/.558 lift
112 lsa
1) I am going to buy a set of assembled dart iron eagle 215cc heads and i want to know if i need some special valve springs to handle this cam?
2) is this available in small base circle?
thanks
01-08-2006, 07:39 PM
#2
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Car: 95 Z28....87 T/A
I'm almost 100% sure that Crane makes most of (if not all) of GM Performance cams. Someone please correct me if I'm wrong.
Crane PN# 119841
234*/242* @ .050" .539"/.588" lift 3,000-6,500 RPM range.
Providing these 2 cams are the same, the Crane cam says it designed for stroker engines.
I used this same cam in one of my M.C.SS's (GM PN#) and I used the Crane valve springs recommended. If I remember right the springs were around $125.00. You'll also end up needing a bigger vacuum canister.
HTH
Crane PN# 119841
234*/242* @ .050" .539"/.588" lift 3,000-6,500 RPM range.
Providing these 2 cams are the same, the Crane cam says it designed for stroker engines.
I used this same cam in one of my M.C.SS's (GM PN#) and I used the Crane valve springs recommended. If I remember right the springs were around $125.00. You'll also end up needing a bigger vacuum canister.
HTH
01-11-2006, 09:22 PM
#3
well close,the gm847 cam is good however the crane version comes in sooner as far as power go to www.eportworks.com he shows a few differences you would benifit from
01-12-2006, 09:46 AM
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Car: 91 formula
Engine: 355, dart heads, gm 847, HSR
Transmission: Bowtie overdrive 700r4 Level 3
Axle/Gears: stock 10 bolt with 3.73
I have that cam in my 355 and love it. would highly recommend. The springs I have are the comp cams 986-16.
01-17-2006, 09:17 AM
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Car: 97 WS6 T/A
Engine: LT1 383
Transmission: 4L60E
I am running this cam in my 97 T/As LT1, 383 as well.
In the full weight car (3000 stall, 3.73 rear gears) It runs mid 11s (11.70 to 11.50s best so far) with the stick in D and a 1.78 60 foot time.
Build the valvetrain, it revs my 10.0:1 compression motor to 6800 with ease.
Full list of mods are ..
58mm t/b
AFR 190s (basicly out of the box)
18cc dish pistons
5.7 I beam rods
Eagle cast steel crank
GM 847 cam
CC Lifters (Rs)
Trickflow pushrods (stock length)
K-motion K-800 springs (1.90 installed height)
K-motion titanium 10 degree retainers sett keepers
CC 1.6 steel magnum roller rockers
Hooker 1 3/4 longtubes.
Mufflex 3 inch into 4 inch Y (dual cutouts added for track)
Hooker aerochamber cat-back.
Vigilantee 3000 converter (precision industries)
1LE Driveshaft
factory rear with 3.73 GM gears
26 inch tall M/Ts on back (10 inch wide)
In the full weight car (3000 stall, 3.73 rear gears) It runs mid 11s (11.70 to 11.50s best so far) with the stick in D and a 1.78 60 foot time.
Build the valvetrain, it revs my 10.0:1 compression motor to 6800 with ease.
Full list of mods are ..
58mm t/b
AFR 190s (basicly out of the box)
18cc dish pistons
5.7 I beam rods
Eagle cast steel crank
GM 847 cam
CC Lifters (Rs)
Trickflow pushrods (stock length)
K-motion K-800 springs (1.90 installed height)
K-motion titanium 10 degree retainers sett keepers
CC 1.6 steel magnum roller rockers
Hooker 1 3/4 longtubes.
Mufflex 3 inch into 4 inch Y (dual cutouts added for track)
Hooker aerochamber cat-back.
Vigilantee 3000 converter (precision industries)
1LE Driveshaft
factory rear with 3.73 GM gears
26 inch tall M/Ts on back (10 inch wide)
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