a few 847 ?'s
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Joined: Jun 2005
Posts: 37
a few 847 ?'s
ok, I have a gm847 on stock cubic inches that I am putting together
what compression ratio is everyones 847 at?
anyone running an 847 with 1.6 rr's and trick flow heads? yes, I know they are 62cc chambers
if using trickflow heads, what hp #'s are you putting down?
is anyone using an 847 with boost?
on a side note, anyone know the max size injector a stock 93 pcm can be tuned to use?
what compression ratio is everyones 847 at?
anyone running an 847 with 1.6 rr's and trick flow heads? yes, I know they are 62cc chambers
if using trickflow heads, what hp #'s are you putting down?
is anyone using an 847 with boost?
on a side note, anyone know the max size injector a stock 93 pcm can be tuned to use?
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Joined: Mar 2003
Posts: 652
Re: a few 847 ?'s
Past tense: this is what I had, being rebuilt now totally different setup, but when I had my 847 on the stock lt1 heads I used a 96 Impala SS head gasket which raised my compression up to 11:1 vs 10:5:1 or whatever the stock was think thats it, I ran 1.7 RRs and put down 366 on the dyno.
This cam will work with spray, maybe nothing rediculous, but 100 to 150 would not be a problem from what I've researched.
Not sure on the max injector size on your speed density setup but with this cam, stock cubes and your heads I can't imagine why you'd need more than 36 lb# injectors, in fact 30# would be fine.
This cam will work with spray, maybe nothing rediculous, but 100 to 150 would not be a problem from what I've researched.
Not sure on the max injector size on your speed density setup but with this cam, stock cubes and your heads I can't imagine why you'd need more than 36 lb# injectors, in fact 30# would be fine.
Originally Posted by whynot
ok, I have a gm847 on stock cubic inches that I am putting together
what compression ratio is everyones 847 at?
anyone running an 847 with 1.6 rr's and trick flow heads? yes, I know they are 62cc chambers
if using trickflow heads, what hp #'s are you putting down?
is anyone using an 847 with boost?
on a side note, anyone know the max size injector a stock 93 pcm can be tuned to use?
what compression ratio is everyones 847 at?
anyone running an 847 with 1.6 rr's and trick flow heads? yes, I know they are 62cc chambers
if using trickflow heads, what hp #'s are you putting down?
is anyone using an 847 with boost?
on a side note, anyone know the max size injector a stock 93 pcm can be tuned to use?
Thread Starter
Registered User
Joined: Jun 2005
Posts: 37
Re: a few 847 ?'s
Originally Posted by Brettinator
Past tense: this is what I had, being rebuilt now totally different setup, but when I had my 847 on the stock lt1 heads I used a 96 Impala SS head gasket which raised my compression up to 11:1 vs 10:5:1 or whatever the stock was think thats it, I ran 1.7 RRs and put down 366 on the dyno.
This cam will work with spray, maybe nothing rediculous, but 100 to 150 would not be a problem from what I've researched.
Not sure on the max injector size on your speed density setup but with this cam, stock cubes and your heads I can't imagine why you'd need more than 36 lb# injectors, in fact 30# would be fine.
This cam will work with spray, maybe nothing rediculous, but 100 to 150 would not be a problem from what I've researched.
Not sure on the max injector size on your speed density setup but with this cam, stock cubes and your heads I can't imagine why you'd need more than 36 lb# injectors, in fact 30# would be fine.
hopefully within a couple of weeks. just a hint, low compression. going against the grain.
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