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My SBC refresh by mafv8
Started on: 02-06-2006 06:52 PM
Replies: 57
Last post by: mafv8 on 11-04-2006 05:07 PM
3084me
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Report this Post07-05-2006 11:28 PM Click Here to See the Profile for 3084meSend a Private Message to 3084meDirect Link to This Post

Thanks so much,

I've been listening to the files for about 30 minutes now. I think it sounds similar to a few F-bodies with the 80 series. It sounds (through the speakers anyway) pretty close to what I'm looking for. I'm sure with me using the Rams Horns on this swap that it may reduce the "exhaust note" a little bit further.

Thanks Again, The files helped a lot. I wish you were closer to hear it in person.

Brian
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California Kid
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Report this Post07-06-2006 02:08 AM Click Here to See the Profile for California KidSend a Private Message to California KidDirect Link to This Post
 
quote
Originally posted by Mr. Pat:


Wanna shoot that badboy my way too?


Sent !
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California Kid
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Report this Post07-06-2006 02:20 AM Click Here to See the Profile for California KidSend a Private Message to California KidDirect Link to This Post

California Kid

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quote
Originally posted by 3084me:

I think it sounds similar to a few F-bodies with the 80 series.

Brian


Happy you enjoyed them.

It is a little similar to modded F-Bodies, few of my Co-workers have them, but it has a very distinct note at WOT that you won't mistake for an F-Body. It's a bit deeper and crisp at the same time.

Keep in mind, a very light flywheel helps the overall effect, believe mine is approx half the weight of the ones used in the Archie Kit (no slam on Archie intended, just the way mines setup).
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3084me
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Report this Post07-06-2006 06:27 PM Click Here to See the Profile for 3084meSend a Private Message to 3084meDirect Link to This Post
Thanks Again,

I agree, the W.O.T (At least on the speakers does sound different than some 80's that I've heard.

My original kit for the Auto's (both of them) were both Archie Kits. I'll still be using the Archie A/C Bracket, Alt Bracket etc but I have a Street Dreams Manual Kit, Their Custom flywheel, Centerforce Clutch on this one. Kind of a "Hybrid". Nothing Against Archie either. Great Kits, Great Service and advice. I had a friend with the Archie Manual Kit who had some issues with the starter (a few times actually). I planned on picking up the manual kit from Archie but I ran across the street dreams kit for a decent price so I went with that on this swap. I'm (just a little bit) partial to the Nissan Starter on those kits so I figured I'd give it a shot on this one.

[This message has been edited by 3084me (edited 07-06-2006).]

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Mr. Pat
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Report this Post07-06-2006 08:24 PM Click Here to See the Profile for Mr. PatClick Here to visit Mr. Pat's HomePageSend a Private Message to Mr. PatDirect Link to This Post
You have no idea what troubles ive had with archies recomended starter!!!!!!!!! I went through 4 of them in as many months.
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Swamp7
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Report this Post07-07-2006 07:37 AM Click Here to See the Profile for Swamp7Send a Private Message to Swamp7Direct Link to This Post
What starter? Powermaster 9000?
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Alex4mula
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Report this Post07-07-2006 10:15 AM Click Here to See the Profile for Alex4mulaSend a Private Message to Alex4mulaDirect Link to This Post
 
quote
Originally posted by Mr. Pat:

You have no idea what troubles ive had with archies recomended starter!!!!!!!!! I went through 4 of them in as many months.


What compression you are running? There are some that will be pushed for engines at or above 10:1.
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Mr. Pat
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Report this Post07-07-2006 10:46 AM Click Here to See the Profile for Mr. PatClick Here to visit Mr. Pat's HomePageSend a Private Message to Mr. PatDirect Link to This Post
Its 10.5-1 or so, add that to the smaller flywheel and it was working too hard.....yeah its the hitachi powermaster mini starter, or something like that.
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mafv8
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Report this Post08-07-2006 06:16 PM Click Here to See the Profile for mafv8Send a Private Message to mafv8Direct Link to This Post
Well here is an update, I have been trying to solve this issue for the last couple of months the car runs and starts well up to just past 3000rpm where the engine just falls flat on its face, it seesm like there is something holding it back. Here is what I have replaced/changed, swapped to an edelbrock carb, after playing with the vacum advance on the Road Demon, new cap/rotor on the HEI, swapped the module on the HEI, tried an adjustable vacuum advance and different adavnce springs on the HEI, new fuel filter, different air filter. Timing is pretty close, and car starts well and runs fine untill 3000rpm, I am using the existing 4cylinder fuel pump, which was replaced with a new AC Delco just before I bought the car, pressure gauge shows 5psi at idle, could the pressure be dropping off ?
Engine will rev to 5000rpm+ with while car stationary, I am running out of ideas, could the HEI distributor be causing the problem, even though I replaced most of the external parts ?

------------------
84SE, aero body, 5 speed and a 350 V8

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Jake_Dragon
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Report this Post08-07-2006 06:26 PM Click Here to See the Profile for Jake_DragonSend a Private Message to Jake_DragonDirect Link to This Post
Find a dyno and you can see whats going on under load.
What is the timing at when the motor is over 4000 rpm?
I guess you can rule out the carb as it was doing the same thing before you swapped it out.
How about the plugs and wires?
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mafv8
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Report this Post08-07-2006 07:28 PM Click Here to See the Profile for mafv8Send a Private Message to mafv8Direct Link to This Post
 
quote
Originally posted by Jake_Dragon:

Find a dyno and you can see whats going on under load.
What is the timing at when the motor is over 4000 rpm?
I guess you can rule out the carb as it was doing the same thing before you swapped it out.
How about the plugs and wires?


Plugs were new this year approc 500 miles on them, leads are MSD Super conductors 2-3 years old bearing in mind I maybe do a max of 1500 miles per year. How would I check the timing at 4000 rpm ? and yes I have thought of a dyno, I just do not want to get there and then find it is something like a bad fuel pump, I have just won an auction for a brand new electric pressue gauge so I will see if that shows anything unless anyone thinks there is no way it can be the pump ?
Thanks for the help.
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GTFiero1
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Report this Post08-07-2006 08:24 PM Click Here to See the Profile for GTFiero1Send a Private Message to GTFiero1Direct Link to This Post
whats your baseline timing? and more importantly what your timing at about 3,000rpm? Usually hard to do the 3K RPM unless you have a digital timing light which makes it easy. My snap-on one is awsome. At 3K you should have about 36 degrees of timing. Remember to time it with the vacuum advance disconnected and plugged also if your still running it. Only other thing is if the heads werent really done right to use the correct spring for the higher lift roller cam. note that hydraulic rollers use a little more spring pressure than a regular flat-tappet but less than a solid roller


------------------

Fiero- mild 2.9 160hp
Caprice- wild 383 500hp
--Adam--
IM AOL: FieroGT5speed

[This message has been edited by GTFiero1 (edited 08-07-2006).]

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Alex4mula
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Report this Post08-08-2006 03:04 PM Click Here to See the Profile for Alex4mulaSend a Private Message to Alex4mulaDirect Link to This Post
Don't you hate when a swap upgrade goes bad? Sounds to me like either timing issues or valvetrain issues. Hope it is just the first one.
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fiero go fast
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Report this Post08-08-2006 05:39 PM Click Here to See the Profile for fiero go fastSend a Private Message to fiero go fastDirect Link to This Post
mafv8, do you have any good pictures of the front with the black pillars included? I had a picture before, but can't find it now. I'm thinking about maybe doing the same paint scheme.

Matt
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mafv8
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Report this Post08-08-2006 06:33 PM Click Here to See the Profile for mafv8Send a Private Message to mafv8Direct Link to This Post
 
quote
Originally posted by fiero go fast:

mafv8, do you have any good pictures of the front with the black pillars included? I had a picture before, but can't find it now. I'm thinking about maybe doing the same paint scheme.

Matt

Matt, here is a shot from above



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mafv8
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Report this Post08-27-2006 04:49 PM Click Here to See the Profile for mafv8Send a Private Message to mafv8Direct Link to This Post
I had a bit of a set-back yesterday after fitting an all new custom curved distributor, I went out for a second run and about a mile from home as I accelerated, not really accelerating though, there was a strange noise from behind, kind of like when you pick-up a plastic bag with your lawn mower and the engine cut-out and I came to a stop. There was no smoke or leaking fluids, but the starter would not turn the engine just a 'clonk' like something was jamming it, I got the car back home via a 'AAA' flatbed truck. I can turn the engine by hand using the teeth on the flywheel, car moves ok with no strange noises, my hot-rod buddy who helped me get it home reckons the clutch is jammed against the flywheel, possibly due to breaking (SPEC stage 3+) pedal works ok by the way. Anyway so I will have to take it apart again, oh well I got 500 miles on it this year !, I will let you know what I find

------------------
84SE, aero body, 5 speed and a 350 V8

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Gto1966
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Report this Post11-04-2006 12:15 PM Click Here to See the Profile for Gto1966Send a Private Message to Gto1966Direct Link to This Post
Bump for an update.......
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mafv8
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Report this Post11-04-2006 05:07 PM Click Here to See the Profile for mafv8Send a Private Message to mafv8Direct Link to This Post
Well as you may have seen in my other post SBC Refresh gone bad, I screwed up and mis-timed the cam resulting in a hole in a piston and a brocken valve, I learned a lot this year !!!
As for an update, I have had the engine rebuilt by a local engine builder comes with a 3 year 36,000 mile guarantee, so hopefully that should be good. And as I had to pull the enine anyway, I am changing transmissions to a NOS 85-86 4 speed, I did have an Isuzu and I was concerned about its ability to take the estimated 350hp. Also I picked up a brand new unused Edelbrock Pro-flo fuel injection system, so this has entailed a bit of extra work with a new fuel pump etc. but I am well on the way to getting it all back together I will try and get some pictures this weekend.
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