makes sense, ill change belt and pulley with water pump if i dont find any engine issues. thanks everyone for the advice
let's chat
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You may not need to "change" anything (new belt is never a bad idea)
as birdcage mentioned "slippage"
pulleys absolutely do wear out but you may only need to tighten the belt
the way birdcage described to check belt tension is exactly the way we do it here
many people have no idea if there belts are slipping
before doing anything---I suggest you check for slippage---that way you can pin point the problem
if it is slipping change the belt and tension properly----sometimes it is hard to determine whether or not pulleys need replaced but if they are shiny that is an indication that they may need changed
Brad
Race-1 offers competitive pricing on Chevrolet Performance 602, 604 & 525 sealed circle track racing engines. Race-1 specializes in the GM CTC engines and we offer a wide variety of services specific to the 602 & 604 crate engines. Your source for Stealth Racing Carburetors! Learn from Brad's expertise in teaching, too!
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Possible gauge is not accurate? Maybe check engine tempWith temp gun and compare readings with the gauge.
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can anyone comment on the performance difference (on track) between E85 and C85?
we know from dyno testing that when calibrated properly C85 is worth some power but how does it drive on the track?---is it noticable?----other than cost are there any negatives to C85?
Brad
Race-1 offers competitive pricing on Chevrolet Performance 602, 604 & 525 sealed circle track racing engines. Race-1 specializes in the GM CTC engines and we offer a wide variety of services specific to the 602 & 604 crate engines. Your source for Stealth Racing Carburetors! Learn from Brad's expertise in teaching, too!
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Originally posted by brad hibbard View Postcan anyone comment on the performance difference (on track) between E85 and C85?
we know from dyno testing that when calibrated properly C85 is worth some power but how does it drive on the track?---is it noticable?----other than cost are there any negatives to C85?
Brad
www.race-1.com
Been several years so not sure if the fuel has changed but C85 took off better on starts. Now take with a grain of salt as it could been carb calibrations (just being realistic as it does mess with fuel mixtures)
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Recently went to pick my 604 crate up from the engine builder after a complete freshen. When I went to pick it up I was going to load it in the truck by lifting it with a plate mounted to the carb studs. The engine builder advised me not to do that and only lift it with a chain going diagonally from head to head because of the strain it puts on the small and lightly torqued intake bolt design. Anybody else do this? Kinda makes sense after I think about it
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on the subject of lift plates...
below is a link from our FAQ page with our rules
a printed sheet of these rules goes with every engine
we have been using lift plates for 14 years on these engines and have only had issues when the rules are not followed
Race-1 Can I use a Lift Plate? Questions or Problems contact us at: Ph.: 330-540-7223 or email brad@race-1.com (all information below is a recommendation from Race-1 not necessarily from GM) GM 602 and 604 crate engines have an intake design that eli
brad
Race-1 offers competitive pricing on Chevrolet Performance 602, 604 & 525 sealed circle track racing engines. Race-1 specializes in the GM CTC engines and we offer a wide variety of services specific to the 602 & 604 crate engines. Your source for Stealth Racing Carburetors! Learn from Brad's expertise in teaching, too!
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For those of you that tape off your breather tubes when washing your car
I have had to change so many timing covers due to this practice that we added a tab to our FAQ page about it
here it is---
Race-1 Tech Tip About Sealing Breathers Questions or Problems contact us at: Ph.: 330-540-7223 or email brad@race-1.com (all information below is a recommendation from Race-1 not necessarily from GM) Starting a 604 crate engine with the breather tube
its an honest mistake but costly and avoidable
it's something that frustrates me beyond end
Brad
Race-1 offers competitive pricing on Chevrolet Performance 602, 604 & 525 sealed circle track racing engines. Race-1 specializes in the GM CTC engines and we offer a wide variety of services specific to the 602 & 604 crate engines. Your source for Stealth Racing Carburetors! Learn from Brad's expertise in teaching, too!
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OK --I guess I am on an angry rant but another thing that drives me out of my mind (and probably most engine builders)---cracked blocks due to freezing
I have been on a roll selling blocks to engine builders ---not because of wear but because their customer let the block freeze and break
here is our link on the best way to completely drain your engine block and avoid this UNNECESSARY cost and repair
Race-1 How Do You Drain Your Block? Questions or Problems contact us at: Ph.: 330-540-7223 or email brad@race-1.com (all information below is a recommendation from Race-1 not necessarily from GM)
Brad
Race-1 offers competitive pricing on Chevrolet Performance 602, 604 & 525 sealed circle track racing engines. Race-1 specializes in the GM CTC engines and we offer a wide variety of services specific to the 602 & 604 crate engines. Your source for Stealth Racing Carburetors! Learn from Brad's expertise in teaching, too!
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yep , thats good advice brad , ive always done this and its the same on a ford , i did screw up and forgot about a car in the tailor one time , luckily , it had conventional freeze plugs , which is unusual for one of my engines because we usually use screw in plugs , but the plugs came out and saved the block , this is a very simple procedure and WILL save you money , also , some times we put pit c0cks in block to make it easy , but like you said , be sure there not clogged......
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