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Hey Rat patrol ! you were running the modman . I have the pvc off the intake to the back of the carb. there are two spots on the intake to run the breather . is this how you did it? buy the way how is your new intake working?

Rat you are not being negative . you have been a great help thus far bro!

Well my issues were with the vacuum secondary . I had a 750 on mine . had a flat spot at 3000 to 3600 give or take .I tried to play with different springs but I wasn't happy. decided to rebuilt my 4781 850 dbl pump . that I had from my 512 rb .after talking with rat and vette here thought ...

ya I have be come frugal lately . thanks for the link . I am going to look into this cam

Really! at the end of the day get a 5.7 and go nuts. The 6.4 is really a 5.7 same block . its a stroked 5.7. The 6.1 has many more options for doing lot of mods!

ok swinger who makes it? got any links? thanks

looking for some feedback on cams for the 6.1 ? using a carb set up!

Just an update the issue was not the intake found the issue . bad needle on the float.

So folks I have the cuda out and have had my first experience with the mod intake . Using a 750 vac secondary . out of the hole is ok . has a flat spot around 3000 to 3500 rpm then starts to clime slowly (for my liking ) seems to smoothen out at 4000 rpm than at approximately . 5000 to 7000...

ok sounds good thanks guys

very nice . any more pics

ok I am running carb set up with a pvc of back of the carb . I have always believed in venting. . With the factory setup its just threw the pvc as I understand correct?

So all of the 6.1 g3 I've seen have no engine venting . What has every one been doing ? good? bad?

I am get some response in the garage . But will need to have some further testing once on the road. Looking around for possibly a 750 dp. I have an 850 dp but might be to much for the single carb set up on the mod .

Well had a chance to do some setups yesterday . Seems to have a better burn with the idle control turned off with the msd 6 . all the cylinders are burning . I used rats set up . turned it down a bit . THE secondary's seems to be performing now. But as soon as the money is available .I...

im in cool!

I agree with Uhcoog! I own a modman and want the best performance that I can get from it until I find something that is better.. Rat KEEP UP THE GREAT HELP BROTHER!!

hey Rat. A couple of questions? Are you running an exhaust scavenger system or any kind of scavenger ? And any type of venting on top end of the block? .

Map63Vette makes a valid point! there are no other options for a carb setup that keeps the monies in prospective! I have the mod with a 750 vac sec on mine . I have yet to have the car on the road . But having said that . During some run time in the garage . I have issues with cyl 7 and 8 ...

Hmmm . ghinmi. what ECU are you using?

So what year is your 5.7 ?

Hey 4 speed ! how do you like the dougs headers? . what are you running 5.7 or 6.1?

LOTS OF muffler shops . just seeing if any premade are available. Looked at TTi with all the duties change of the Canadian dollar . they are not worth the money

Anyone have any 3" e body tailpipe company's other than TTI ?

Wow I thought we this topic. AND YES BEWARE OF OLD STOCK PEOPLE! The pitman arm issue is a good question

TTi headers and flowmaster x pipe . I reused my 40 series mufflers that were off my rb engine . They were in mint shape only had about 10 hours on them. Tail pipes are next . Still looking for a good 3 " option! Sounds good so far . not as harsh as 2 single pipes but the flowmasters have...

So I bit the bullet today and purchased the flow master universal x 3"exhaust . looks like a quality set up took a couple hours but its together . wanted the sound to stay like a real car .

when I look at the crank shops intake sorry to say if im wrong let me know but It looks like the mod casting!

The first stuff on the card is interesting. As for the heat gun. I now understand what you are saying about the mod. My 1 and 7 as well as 2 and 8 run cooler ! while in the garage. On the stands Its -18 Celsius today . cold in Ontario Canada bro! I would be able to do any runs on the car...

who am I talking to at modern muscle . I have flowmaster mufflers 43051H that I want to use . what can you do for me . headers back without mufflers? pm me ..ive priced them off their site , pricy in my mind . but go for it John