what cam and compression, blown 340
#428631
08/04/09 03:43 PM
08/04/09 03:43 PM
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Joined: Feb 2007
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sweden
1Fast340
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what cam and compression would you advice on a 340 with a lysholm twinscrew blower? has ported eddyheads needs to run on pumpgas i want it to be a solidroller since i have a good set of lifters would be nice if this can work with a 4000rpm stall converter just some 10-14psi of boost has to be fairly reliable since i need to be able to drive almost 2hours to track and home so i dont want something stupidly agresive that will eat the springs after 1hour on the road i have a compextreme energy 242/248@.50 .570/.576 left over but i gues there must be alot better grinds for this if its a custom deal and you dont like to share to much feel free to PM  thanks
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Re: what cam and compression, blown 340
[Re: blownzoom440]
#428633
08/04/09 06:13 PM
08/04/09 06:13 PM
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Joined: Feb 2007
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sweden
1Fast340
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Quote:
what exhaust?
what gear?
what fuel?[octane is different here than there]
as soon as i know how big i will have to build the exhaust i will build it, now i have tti stepheaders and a 3" exhaust but will build something larger, i can go all the way to 2" primarys i think if needed, with 3½"collectors and exhaust 
gears are 4.10:1 with 28" dragradials (MT275/60-15)
fuel is 99octan shell V-power straight from the pump but its measured diferent than US so i feel safe in saying that its the same as US 93 octan V-power
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Re: what cam and compression, blown 340
[Re: 1Fast340]
#428634
08/04/09 08:31 PM
08/04/09 08:31 PM
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Joined: Jul 2005
Posts: 8,647
ELYRIA,OH
blownzoom440
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Joined: Jul 2005
Posts: 8,647
ELYRIA,OH
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this is a solid cam i used.maybe tou can get close in a roller. camp cam 23-000-5 grind #CRB3 6059 /6061 S 113 .541/.559 lift[edited to .559 lift] 289/297 dur at .015 and 252/260 at .050 in open at 13BTDC/close 59ABDC Exh open 63BBDC close 17 ATDC 113 LSA it had 130 cranking psi with 8.8CR talk it over with a cam make. 
Last edited by METAL STORM; 08/04/09 09:48 PM.
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Re: what cam and compression, blown 340
[Re: CW25]
#428636
08/05/09 04:22 AM
08/05/09 04:22 AM
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Joined: May 2004
Posts: 952
Stockholm, Sweden
MrSixpack
super stock
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super stock
Joined: May 2004
Posts: 952
Stockholm, Sweden
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1FAST340.
Where did you find a intake?
I've been looking a long time for a SB blower intake.
Good luck with your build.
1970 Super Stock Challenger ex. Paul Rossi
1968 Dodge Dart GT 340
1968 Dodge Charger /6 3 speed manual
1966 Chrysler 300 Loaded
1968 Dodge Charger R/T 440
1968 Mini Cooper
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Re: what cam and compression, blown 340
[Re: MrSixpack]
#428637
08/05/09 12:11 PM
08/05/09 12:11 PM
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Joined: Feb 2007
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1Fast340
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Quote:
1FAST340.
Where did you find a intake?
I've been looking a long time for a SB blower intake.
Good luck with your build.
actualy if your looking for one for a normal roots blower then bds has it for some realy stupid money http://blowerdriveservice.com/cart/index...06&cPath=64 yep thats 936$
my solution is that im designing my own since a roots manifold wont fit the lysholm blower any good anyway, its mostly planed just need to start actualy making a mockup and see how it will work in the real world and then build one with some good help 
thanks:)
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Re: what cam and compression, blown 340
[Re: 1Fast340]
#428638
08/05/09 01:14 PM
08/05/09 01:14 PM
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Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
patrick
I Live Here
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I Live Here
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Posts: 16,123
Grand Haven, MI
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I presume stock 3.31" stroke? for a "shelf" piston/rod combo, doing the math, assuming a 4.14" bore, .039" thick gasket, .030 over, and 64cc heads, using a diamond 41410 piston (for a 4" stroke, 21.5cc dish) and some Howards Forged Billet rods for a SBC (PN BR6500, $839 from summitracing.com), will net you a short block .002" out of the hole with a factory 9.6" deck height, and 8.6:1 compression, with tight quench for good knock resistance....
1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
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Re: what cam and compression, blown 340
[Re: 1Fast340]
#428639
08/05/09 01:27 PM
08/05/09 01:27 PM
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Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Mr.Yuck
Not enough dumb comments...yet
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Not enough dumb comments...yet
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
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Quote:
Quote:
what exhaust?
what gear?
what fuel?[octane is different here than there]
as soon as i know how big i will have to build the exhaust i will build it, now i have tti stepheaders and a 3" exhaust but will build something larger, i can go all the way to 2" primarys i think if needed, with 3½"collectors and exhaust
gears are 4.10:1 with 28" dragradials (MT275/60-15)
fuel is 99octan shell V-power straight from the pump but its measured diferent than US so i feel safe in saying that its the same as US 93 octan V-power
you probably don't need the 4.10's the car will probably like 3.73's or .55's better.
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Re: what cam and compression, blown 340
[Re: blownzoom440]
#428640
08/08/09 06:50 PM
08/08/09 06:50 PM
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Joined: Feb 2007
Posts: 2,578
sweden
1Fast340
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Quote:
this is a solid cam i used.maybe tou can get close in a roller.
camp cam 23-000-5
grind #CRB3 6059 /6061 S 113
.541/.559 lift[edited to .559 lift]
289/297 dur at .015 and 252/260 at .050
in open at 13BTDC/close 59ABDC
Exh open 63BBDC close 17 ATDC
113 LSA
it had 130 cranking psi with 8.8CR
talk it over with a cam make.
emailed compcams and they basicly wanted to cut me the same cam i have but with "one size" bigger exhaust lobe and 2degree bigger lsa not realy sure its worth geting a new cam for 2degre and a lobe i can get basicly by changing rockers trying to learn alitle along the way
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Re: what cam and compression, blown 340
[Re: Mr.Yuck]
#428641
08/08/09 06:52 PM
08/08/09 06:52 PM
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Joined: Feb 2007
Posts: 2,578
sweden
1Fast340
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Quote:
Quote:
Quote:
what exhaust?
what gear?
what fuel?[octane is different here than there]
as soon as i know how big i will have to build the exhaust i will build it, now i have tti stepheaders and a 3" exhaust but will build something larger, i can go all the way to 2" primarys i think if needed, with 3½"collectors and exhaust
gears are 4.10:1 with 28" dragradials (MT275/60-15)
fuel is 99octan shell V-power straight from the pump but its measured diferent than US so i feel safe in saying that its the same as US 93 octan V-power
you probably don't need the 4.10's the car will probably like 3.73's or .55's better.
that would actualy be very nice for driving to the track, think i may run out of rpm with those gears and maybe be alitle hard to control the power in the start with those gears?
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