Question about stroking to 383
#2
Member
Join Date: Oct 2007
Location: Carbondale/Sciota IL
Posts: 157
Likes: 0
Received 0 Likes
on
0 Posts
Car: 1992 Camaro RS
Engine: 305 TBI
Transmission: 700R4 w/transgo 700 shift kit
Axle/Gears: 3.42 posi
Re: Question about stroking to 383
depends on where you're coming from on compression. It will only bring it up about 6 tenths of a point so if ur compression to start with was 9:1 or 9.3:1 you'll be fine with the higher octane pump gas. It varies from who you talk to but most people say that 10.5:1 is all the more compression you want on iron heads with 92 octane pump gas. so going off that you would be fine even if you were 9.8:1-9.9:1 or so on compression with the 350. You could also always swap ur heads out to some aftermarket ones with bigger combustion chambers.
heres a calculator you can play with for compression
http://kb-silvolite.com/calc.php?action=comp
good luck
heres a calculator you can play with for compression
http://kb-silvolite.com/calc.php?action=comp
good luck
#3
Moderator
iTrader: (14)
Join Date: Mar 2000
Location: Littleton, CO USA
Posts: 43,169
Likes: 0
Received 35 Likes
on
34 Posts
Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
CR is nothing but the total BDC cylinder/combustion chamber volume divided by the total TDC cylinder/combustion chamber volume. Just choose the TDC cylinder/combustion chamber volume so that the CR comes out at a reasonable level.
More dish in the pistons produces better results than more combustion chamber volume in the heads. Also, aluminum heads can handle/need more CR than cast iron heads.
Above all, keep the quench height in the .040" range - do not fiddle with quench height to change CR.
More dish in the pistons produces better results than more combustion chamber volume in the heads. Also, aluminum heads can handle/need more CR than cast iron heads.
Above all, keep the quench height in the .040" range - do not fiddle with quench height to change CR.
Thread
Thread Starter
Forum
Replies
Last Post
Mickeyruder
Engine/Drivetrain/Suspension Parts for Sale
3
09-02-2015 02:45 PM
gixxer92
Engine/Drivetrain/Suspension Parts for Sale
5
09-01-2015 04:32 PM
LT1Formula
Engine/Drivetrain/Suspension Parts for Sale
7
08-20-2015 09:36 PM