5.3+cam+long tubes=HP???
5.3+cam+long tubes=HP??? Wondering what a stock 5.3 can do with a cam (and spring) swap and longtubes, truck intake.. anyone running a similar combo? just wondering what to expect...any cam recommendations? it would/will going in a street driven 70 el camino with a 4l60...
what springs would be good to run with those? I assume i will also need pushrods? ANd its in a 70 elcamino so i was looking more at your recommendations, what do you think of the 54-456-11...too big for a stock stall 4l60 and 323 rear gears?
TECH Senior Member
Joined: Feb 2009
Posts: 5,445
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with the 408 cam use comp 918s,with the 455-456 use pac 1518s.you will need better push rods.the 456 cam would trade a little low end for more top end power.how much advance is in the 456 cam,4 or 5*?it mite work with a stock stall ,check the ls truck forum for more feed back.
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The smaller route:
http://sdparts.com/details/scoggin-d...er/cc54-st1-11
The better route:
http://sdparts.com/details/scoggin-d...-center/sd0067
I would change the pushrods and run PAC1218s with either cam. We can put them all together in a package to save you some money.
http://sdparts.com/details/scoggin-d...er/cc54-st1-11
The better route:
http://sdparts.com/details/scoggin-d...-center/sd0067
I would change the pushrods and run PAC1218s with either cam. We can put them all together in a package to save you some money.
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800-456-0211 / PM / Facebook
WHIPPLE Superchargers, Procharger, Magnuson, Powerbond Sale, HPTuners packages!, Trickflow, AFR, PRC, CHE Trunion upgrade, $100 7.400" pushrod set, Custom Cam of your choice
800-456-0211 / PM / Facebook
WHIPPLE Superchargers, Procharger, Magnuson, Powerbond Sale, HPTuners packages!, Trickflow, AFR, PRC, CHE Trunion upgrade, $100 7.400" pushrod set, Custom Cam of your choice
i made 352/344 with a 224/228 .581/.588 112+2 (xer lobes) with shaved unported 243 heads, 1 3/4 longtubes, and an unported fast. this was also through an unlocked automatic and a 8.8
224 cam with long tubes and a ls6 intake will usually net about 320-330rwhp. We recently did one with our hand ported 799's and our little 5.3 grind that made 387to the tires with a truck intake, through a stalled auto. Should break 400 with a good intake. Still had stock truck accessories and balancer.
